This review introduces the definition, influencing factors and improvement strategy to the quality of nursing work life, which can provide references for nursing managers to understand the factors affecting the qualit...This review introduces the definition, influencing factors and improvement strategy to the quality of nursing work life, which can provide references for nursing managers to understand the factors affecting the quality of nursing work life and choose effective measures to improve the quality of nursing work life.展开更多
<strong>Objective:</strong> To investigate the current status and influencing factors of the quality of work life of nurses in Intensive Care Unit (ICU). <strong>Methods:</strong> A total of 24...<strong>Objective:</strong> To investigate the current status and influencing factors of the quality of work life of nurses in Intensive Care Unit (ICU). <strong>Methods:</strong> A total of 243 ICU nurses from 6 general hospitals in Jingzhou were selected by convenient sampling method. Questionnaires were conducted with the general information questionnaire, Connor-Davidson Resilience Scale (CD-RISC) and Work-Related Quality of Life Scale-2 (WRQoL-2). <strong>Results:</strong> The total average score of the quality of work life of ICU nurses was (3.35 ± 0.44), which was at a medium level. Department, professional title, frequency of night shift, experience of workplace violence and psychological resilience were the influencing factors of the quality of work life of nurses in ICU, accounting for 39.4% of the variance. <strong>Conclusion:</strong> The quality of work life of ICU nurses needs to be improved. Nursing managers should pay attention to the work environment of ICU nurses, rationally allocate manpower, and improve the status of psychological resilience of nurses, so as to improve their quality of work life.展开更多
Objectives: We measured health inequalities among employed Luxembourg residents over time and the socio-economic and work-related determinants. Design and Setting: Longitudinal data were obtained from the Socio-econom...Objectives: We measured health inequalities among employed Luxembourg residents over time and the socio-economic and work-related determinants. Design and Setting: Longitudinal data were obtained from the Socio-economic Liewen zu Lëtzebuerg/European Union Survey on Income and Living Conditions, which has been conducted each year since 2003 in Luxembourg. Participants: Participants comprised 727 Luxembourg residents (58% men), aged between 21 and 55 years in 2003, who were employed between 2003 and 2012. Primary and Secondary Outcomes Measured: The variable of interest was self-reported health. We used transition indicators on work-related factors to consider changes that individuals may have experienced in their job over this period. Results: People who moved from a part-time to a full-time contract (odds ratio (OR): 5.52, confidence interval (CI): 1.55 - 19.73), and those who moved from the 3rd or 4th quartile of earnings to the 1st or 2nd quartile (OR: 2.48, CI: 1.02 - 6.05) between 2003 and 2012, had a higher risk of being in poor health in 2012. The risk of deterioration in self-reported health in 2012 among people who were healthy in 2003 was associated with the type of contract, economic activity, and occupation. Conclusion: Health inequalities occur among employed people in Luxembourg. Their importance varies according to work-related characteristics and economic activity. Our findings showed that declined health status was associated with contract type, profession, and economic activity. This suggests that measures should be taken to maintain good health for people working in these specific occupations or economic sectors (e.g. preventive action, reduction of risk exposure, change of occupation in the same company, and so on).展开更多
There are various factors that contribute to work stress.These stem from both organisational and extra-organisational contexts.The aim of this paper is to investigate the impact of both organisational and extra-organi...There are various factors that contribute to work stress.These stem from both organisational and extra-organisational contexts.The aim of this paper is to investigate the impact of both organisational and extra-organisational factors on work stress a—mong married female teachers.The study found that the three organisational factors i.e.management and administration,pupil recalcitrance and time demands were significantly correlated with work stress.As for the extra-organisational factors,only personal problems variable was found significantly correlated with work stress.A number of studies of teacher stress have been commissioned over the past decade by the major teaching unions.展开更多
Background: Over the last century, stress as an interdisciplinary concept has become an area of great interest and has been researched extensively. Although the earliest studies on stress were mostly physiological, ps...Background: Over the last century, stress as an interdisciplinary concept has become an area of great interest and has been researched extensively. Although the earliest studies on stress were mostly physiological, psychological models of stress have been developed and established a link between stressors and illness in his model of general adaptation syndrome. Objective: To investigate prevalence and factors associated with occupational stress among nurses working Asser region Hospital. The study included nurses at different age groups working at different departments with assessment of any sources of stress. Methodology: A descriptive cross-sectional study was conducted targeting nurses in the main hospitals in the Asser region, Southern Saudi Arabia. A total of the study samples of 217 nurses were required to estimate the expected average stress rate among nurses. A self-administered pre-structured questionnaire used for data collection. Results: Nurses’ ages ranged 21 to 55 years old with mean age of 30.9 ± 11.7 years old. Majority of the nurses were females 175 (80.6%). The highest mean score (more stress) was reported by nurses in relation to the following stress factors;working very hard (4.3 ± 0.9), followed by being under pressure to work long hours (4.2 ± 0.9), the opportunity given to do something is not real and enough (4.2 ± 1.0). The findings showed a significant relationship between nurses’ stress level, their personal and work-related characteristics (P = 0.001). Recommendations: Interventional programs to detect and alleviate sources and effects of occupational stress should be developed including more training regarding coping strategies, nurses’ support, and better work condition.展开更多
Working memory plays an important role in human cognition. This study investigated how working memory was encoded by the power of multichannel local field potentials （LFPs） based on sparse non negative matrix factor...Working memory plays an important role in human cognition. This study investigated how working memory was encoded by the power of multichannel local field potentials （LFPs） based on sparse non negative matrix factorization （SNMF）. SNMF was used to extract features from LFPs recorded from the prefrontal cortex of four SpragueDawley rats during a memory task in a Y maze, with 10 trials for each rat. Then the powerincreased LFP components were selected as working memoryrelated features and the other components were removed. After that, the inverse operation of SNMF was used to study the encoding of working memory in the time frequency domain. We demonstrated that theta and gamma power increased significantly during the working memory task. The results suggested that postsynaptic activity was simulated well by the sparse activity model. The theta and gamma bands were meaningful for encoding working memory.展开更多
Hidradenitis suppurativa (HS) is a chronic, inflammatory skin condition characterized by painful nodules, abscesses, and scarring, primarily affecting areas rich in apocrine glands. Environmental and occupational risk...Hidradenitis suppurativa (HS) is a chronic, inflammatory skin condition characterized by painful nodules, abscesses, and scarring, primarily affecting areas rich in apocrine glands. Environmental and occupational risk factors, including prolonged exposure to heat, friction, and certain chemicals, have been identified as exacerbating conditions for HS. Yet, there remains a lack of tailored recommendations for modifying work environments to alleviate these triggers. This review presents novel suggestions for work modifications to reduce HS flare-ups, such as implementing breathable, friction-reducing workwear, ergonomic adjustments to minimize pressure on affected areas, and introducing low-irritant hygiene protocols in workplaces with chemical exposure. These recommendations are grounded in emerging evidence linking specific occupational exposures to the exacerbation of HS symptoms. The novelty of this approach lies in its proactive stance, shifting from reactive management of HS symptoms to preventative environmental modifications. Future studies should explore the long-term efficacy of these modifications and investigate the potential for personalized work environment adjustments based on individual patient profiles. Targeted workplace interventions may significantly improve the quality of life for HS patients, highlighting the need for multidisciplinary collaboration between dermatologists, occupational health specialists, and employers.展开更多
Increasing evidence suggests that heat shock factor 1 exerts endogenous protective effects on working memory under conditions of chronic psychological stress. However, the precise underlying mechanisms remain poorly u...Increasing evidence suggests that heat shock factor 1 exerts endogenous protective effects on working memory under conditions of chronic psychological stress. However, the precise underlying mechanisms remain poorly understood. This study examined the protective factors affecting working memory in heat shock transcription factor 1 gene knockout mice. The results indicated that the number of correct T maze alternations decreased following mild chronic psychological stress in knockout mice. This change was accompanied by a decrease in neurogenesis and an increase in neuronal apoptosis in the hippocampal dentate gyrus. The number of correct T maze alternations was positively correlated with neurogenesis in hippocampal dentate gyrus, and negatively correlated with neuronal apoptosis. In wild type mice, no significant difference was detected in the number of correct T maze alternations or neuronal apoptosis in hippocampal dentate gyrus. These results indicate that the heat shock factor 1 gene has an endogenous protective role in working memory during mild chronic psychological stress associated with dentate gyrus neuronal apoptosis Moreover, dentate gyrus neurogenesis appears to participate in the protective mechanism.展开更多
Work-related diseases can have health consequences including stress- and mental health-related disorders, musculoskeletal disorders, and cancer and skin complaints due to exposure to biological agents. We aimed to inv...Work-related diseases can have health consequences including stress- and mental health-related disorders, musculoskeletal disorders, and cancer and skin complaints due to exposure to biological agents. We aimed to investigate the prevalence of work-related diseases among bank employees and the independent risk factors for these diseases and to highlight measures that can be taken to prevent the occurrence of such diseases, to improve holistic health, and to raise awareness about work-related disease. Data were collected during face-to-face interviews (n = 796) in the recruitment phase of an international public bank in Istanbul, Türkiye or during periodic examinations in the bank between 2017 and 2019. Data, including socio-demographic characteristics, medical anamneses, physical examination results, laboratory findings, occupational accidents, and occupational disease frequency data, were retrospectively examined, and the results were statistically evaluated. Data were analyzed using the SPSS Statistics 17.0 (IBM Corporation, Armonk, NY, USA) package program. Results were considered statistically significant at p < 0.05. Age, female gender, dust exposure, vibration in the workplace were found to be significantly associated with musculoskeletal disorders, while age and work-related noise was found to be related to digestive system problems and dust exposure had significant relation with psychiatric disorders. Work-related diseases among bank employees are a priority that should be addressed by all relevant authorities to enable people to lead healthy lives in physical, mental, spiritual, and social terms.展开更多
Objective In this study, we aimed at exploring the association between work-related musculoskeletal disorders（WMSDs） and work organization based on a case-control study. Methods A total of 1938 workers who claimed t...Objective In this study, we aimed at exploring the association between work-related musculoskeletal disorders（WMSDs） and work organization based on a case-control study. Methods A total of 1938 workers who claimed to suffer from WMSDs were selected from Beijing, Henan, Hubei, and the Guangdong province. The control group consisted of 2009 workers employed in similar industries without severe disease or musculoskeletal discomforts. We used a modified version of the questionnaire developed by the NMQ and the DMQ to investigate individual and work-related factors. Results A total of 13 variables（P〈0.1） were selected by the chi-square test and finally, 7 variables entered into the equation, with 6 variables reaching statistical significance（P〈0.05）. The odds ratios（OR） of ＇work changing with season＇ and ＇sufficient rest time＇ did not reach 1（0.749 and 0.441, respectively）. In addition, ＇sufficient rest time＇ seemed to be the stronger protective factor according to its higher standardized coefficient. And ＇repetitive work every minute＇, ＇constantly repetitive work＇（every day）, ＇shortage of site personnel＇, and ＇often switching shifts with others＇ seemed to be the risk factors. Conclusion Work organization may have comprehensive effects on the occurrence of WMSDs. This pattern of associations suggests that further investigation into the mechanism of how work organization affects the prevalence of WMSDs is required.展开更多
Taking the hot working die steel （HWDS） 4Cr3Mo2NbVNi as an example, the phase electron structures （PES） and the biphase interface electron structures （BIES） of Mo2C and V4 C3 , which are two kinds of important c...Taking the hot working die steel （HWDS） 4Cr3Mo2NbVNi as an example, the phase electron structures （PES） and the biphase interface electron structures （BIES） of Mo2C and V4 C3 , which are two kinds of important carbides precipitated during tempering in steel were calculated, on the basis of the empirical electron theory of solids and molecules and the improved TFD theory. The influence of Mo2 C and V4 C3 on the mechanical properties of HWDS has been analyzed at electron structure level, and the fundamental reason that the characteristic of the PES and the BIES of carbides decides the behavior of them has been revealed.展开更多
Energy efficiency evaluation plays an important role in energy efficiency improvement of the ethylene production. It is observed from the actual production data that the ethylene production energy efficiency often var...Energy efficiency evaluation plays an important role in energy efficiency improvement of the ethylene production. It is observed from the actual production data that the ethylene production energy efficiency often varies with the complex production working conditions. In the favored methods for energy efficiency evaluation,DEA models may show poor resolution when directly used to evaluate the efficiency values. Therefore, a new energy efficiency evaluation method for ethylene production is proposed based on DEA integrated factor analysis with respect to operation classification. Three key factors, including raw material composition, cracking depth and load rate, are taken into account in determining the production working conditions by means of k-means algorithm. Based on the multi-working conditions mode the energy efficiency evaluation of the ethylene production is made by using DEA model, where the most related energy data are screened by factor analysis.Furthermore, the supporting decision of energy efficiency improvement is provided to the operators. The accuracy and effectiveness of the proposed method are illustrated by applying in a practical ethylene production,which gives more effective energy efficiency evaluation in the complicated working conditions of ethylene production with declined dimension of input indicators.展开更多
Most gear fault diagnosis(GFD)approaches su er from ine ciency when facing with multiple varying working conditions at the same time.In this paper,a non-negative matrix factorization(NMF)-theoretic co-clustering strat...Most gear fault diagnosis(GFD)approaches su er from ine ciency when facing with multiple varying working conditions at the same time.In this paper,a non-negative matrix factorization(NMF)-theoretic co-clustering strategy is proposed specially to classify more than one task at the same time using the high dimension matrix,aiming to o er a fast multi-tasking solution.The short-time Fourier transform(STFT)is first used to obtain the time-frequency features from the gear vibration signal.Then,the optimal clustering numbers are estimated using the Bayesian information criterion(BIC)theory,which possesses the simultaneous assessment capability,compared with traditional validity indexes.Subsequently,the classical/modified NMF-based co-clustering methods are carried out to obtain the classification results in both row and column tasks.Finally,the parameters involved in BIC and NMF algorithms are determined using the gradient ascent(GA)strategy in order to achieve reliable diagnostic results.The Spectra Quest’s Drivetrain Dynamics Simulator gear data sets were analyzed to verify the e ectiveness of the proposed approach.展开更多
Nowadays, cancer is one of the main worldwide causes of death and an increasing issue in public health. In the European Union, it is the first work-related cause of death. Studies about occupational risk exposure are ...Nowadays, cancer is one of the main worldwide causes of death and an increasing issue in public health. In the European Union, it is the first work-related cause of death. Studies about occupational risk exposure are a useful field of investigation to determine cancerous elements;special attention is paid to the relationship between cancer and work in women, who must constantly adapt to the working market and the new working fields, with their diverse degrees of exposure to risks. This revision has reviewed the bibliography gathered in Medline related to breast cancer, cervix cancer, uterus cancer, and ovarian cancer, along with their relationship with different work-related risks and types of working roles. The results have shown enough scientific evidence to suspect that work related exposition could be a plausible cause of these gynaecological cancers. Therefore, we want to stress the need of enhancing the coordinated investigation between all the medical specialties involved, and to encourage the spread of the necessary knowledge to manage and prevent them.展开更多
Nurse turnover can negatively impact delivering patient care in the health facilities which will affect the patient’s health and reduce the quality of care. The MOH faces a serious challenge or high nursing staff tur...Nurse turnover can negatively impact delivering patient care in the health facilities which will affect the patient’s health and reduce the quality of care. The MOH faces a serious challenge or high nursing staff turnover and the intention to leave the workforce. <strong>Aim:</strong> To explore one of the significant human recourse problems in the MOH and affecting the healthcare system, which is, factors affecting nurses’ turnover in governmental hospitals using Alhassa governmental hospitals as a case study.<strong> Method:</strong> A quantitative research method used to explore the factors affecting nurses’ turnover in the governmental hospitals in Alhassa. <strong>Result:</strong> According to the study finding, management style was a factor more likely to indicate nurses’ turnover. It defines the impact of management style and works environment on nurses’ and clients’ systems. Individual factors were the second influence on their turnover. The balance between nurses’ work and their family need was the first issue that had affected their work. Organization factors are also an influence on the nurses’ turnover in Alhassa region. <strong>Conclusion: </strong>Nurses’ turnover is a significant issue in a human resource in MOH. This study first applied in Alhassa region that highlighted the factors that affect nurses’ turnover. Nurses’ turnover is a continuous problem that occurs in the health facilities related to management method causes, personal causes or organizational causes. Management style was the most influences on nurses’ turnover in this study changing or modifying management style that can intent nurses to continue their work in the hospital in Alhassa region.展开更多
Our healthcare delivery system has accumulated complexity of payment, regulation systems, expectations and requirements. Often these are not designed to align with clinical thinking process flow of patient care. As a ...Our healthcare delivery system has accumulated complexity of payment, regulation systems, expectations and requirements. Often these are not designed to align with clinical thinking process flow of patient care. As a result, clinicians are utilizing enormous mental (cognitive) resource to comply with these complexities, over and above the baseline mental effort required to give good care to the patient. Recent studies suggest a significant number of physicians, advanced practice providers and nurses no longer want to stay in healthcare due to difficult work expectations and conditions that have become unreasonable. Technology has benefitted healthcare delivery, but also is a conduit of many expectations that have been grafted upon clinician workloads, exceeding the resources provided to accomplish them. Cognitive load is a measure of mental effort and is divided into Intrinsic, Germane and Extraneous Cognitive Load. Extraneous Cognitive Load (ECL) is what is not necessary and can be removed by better design. High cognitive load is associated with increased risk of both medical error and clinician burnout. Chronic high level occupational stress occurs from dealing with this job/resource imbalance and is showing serious personal health impact upon clinicians and the quality of the work they can provide for patients. Since organizational systems have become more complex, leadership methods, clinician wellbeing and patient safety efforts need to adjust to adapt and succeed. Safety efforts have tended to predominantly follow methods of a few decades ago with predominant focus upon how things go wrong (Safety I) but are now being encouraged to include more of the study of how things go right (Safety II). Human Factors/Ergonomics (HFE) science has been used in many industries to preserve worker wellbeing and improve system performance. Patient safety is a product of good system performance. HFE science helps inform mechanisms behind Safety I and II approach. HFE concepts augment existing burnout and safety interventions by providing a conceptual roadmap to follow that can inform how to improve the multiple human/technology, human/system, and human/work environment interfaces that comprise healthcare delivery. Healthcare leaders, by their influence over culture, resource allocation, and implementation of requirements and workflows are uniquely poised to be effective mitigators of the conditions leading to clinician burnout and latent medical error. Basic knowledge of HFE science is a strategic advantage to leaders and individuals tasked with achieving quality of care, controlling costs, and improving the experiences of receiving and providing care.展开更多
Introduction: Work-related musculoskeletal disorders (WRMSDs) are a public health problem and have forced many workers to quit their jobs prematurely. This study investigated the prevalence and risk factors of WRMSDs ...Introduction: Work-related musculoskeletal disorders (WRMSDs) are a public health problem and have forced many workers to quit their jobs prematurely. This study investigated the prevalence and risk factors of WRMSDs among Healthcare workers in five reference hospitals in the City of Douala-Cameroon. Methods: A cross-sectional study was conducted in 2022 among 561 healthcare workers working in five reference hospitals in the city of Douala, Cameroon. Participants were selected using a convenient sampling technique. Data were collected with structured questionnaires;data on the demographics and risk factors were collected using a well-designed questionnaire, while estimation of the prevalence of WRMSDs was done using the Modified Nordic questionnaire. Results: The overall prevalence rate of WRMSDs among healthcare workers in Douala hospitals was 83.4% (468/561). The prevalence per professional groups was as follows: 88.8% (71) for Medical Laboratory Scientists (MLS), 81.9% (289) for nurses, 21 (80.8%) for Physiotherapists (PTs) and 78.8% (41) for Medical Doctors (MDs). There was a significant difference (p = 0.001) in the prevalence of WRMSDs with respect to place of work where healthcare workers from HLD recorded the highest prevalence 89.9%, while Healthcare workers from NBDH were 2.91 times at risk (AOR = 2.91;95% CI: 1.32 - 6.41;p = 0.001) to develop WRMSDs than healthcare workers in the other hospitals. With respect to body region, the highest prevalence of WRMSDs was recorded on the lower back, 58.8% with the lowest at the elbows 11.2%. The age group 30 to 39 years was significantly associated with WRMSDs at level of the shoulder (p = 0.002), upper back (p = 0.019), elbows (p Conclusion: The overall prevalence rate of WRMSDs among healthcare workers in Douala hospitals was high. The prevalence of WRMSDs is highest among MLS and nurses and the most affected body parts are;lower back, neck and upper back. Working on the same posture, stressful job, and repetitive tasks were the major risk factors associated to WRMSDs among healthcare workers in Douala hospitals.展开更多
文摘This review introduces the definition, influencing factors and improvement strategy to the quality of nursing work life, which can provide references for nursing managers to understand the factors affecting the quality of nursing work life and choose effective measures to improve the quality of nursing work life.
文摘<strong>Objective:</strong> To investigate the current status and influencing factors of the quality of work life of nurses in Intensive Care Unit (ICU). <strong>Methods:</strong> A total of 243 ICU nurses from 6 general hospitals in Jingzhou were selected by convenient sampling method. Questionnaires were conducted with the general information questionnaire, Connor-Davidson Resilience Scale (CD-RISC) and Work-Related Quality of Life Scale-2 (WRQoL-2). <strong>Results:</strong> The total average score of the quality of work life of ICU nurses was (3.35 ± 0.44), which was at a medium level. Department, professional title, frequency of night shift, experience of workplace violence and psychological resilience were the influencing factors of the quality of work life of nurses in ICU, accounting for 39.4% of the variance. <strong>Conclusion:</strong> The quality of work life of ICU nurses needs to be improved. Nursing managers should pay attention to the work environment of ICU nurses, rationally allocate manpower, and improve the status of psychological resilience of nurses, so as to improve their quality of work life.
文摘Objectives: We measured health inequalities among employed Luxembourg residents over time and the socio-economic and work-related determinants. Design and Setting: Longitudinal data were obtained from the Socio-economic Liewen zu Lëtzebuerg/European Union Survey on Income and Living Conditions, which has been conducted each year since 2003 in Luxembourg. Participants: Participants comprised 727 Luxembourg residents (58% men), aged between 21 and 55 years in 2003, who were employed between 2003 and 2012. Primary and Secondary Outcomes Measured: The variable of interest was self-reported health. We used transition indicators on work-related factors to consider changes that individuals may have experienced in their job over this period. Results: People who moved from a part-time to a full-time contract (odds ratio (OR): 5.52, confidence interval (CI): 1.55 - 19.73), and those who moved from the 3rd or 4th quartile of earnings to the 1st or 2nd quartile (OR: 2.48, CI: 1.02 - 6.05) between 2003 and 2012, had a higher risk of being in poor health in 2012. The risk of deterioration in self-reported health in 2012 among people who were healthy in 2003 was associated with the type of contract, economic activity, and occupation. Conclusion: Health inequalities occur among employed people in Luxembourg. Their importance varies according to work-related characteristics and economic activity. Our findings showed that declined health status was associated with contract type, profession, and economic activity. This suggests that measures should be taken to maintain good health for people working in these specific occupations or economic sectors (e.g. preventive action, reduction of risk exposure, change of occupation in the same company, and so on).
基金funded by Anhui Educational Department"Outstanding Youth Teacher Program,2014"
文摘There are various factors that contribute to work stress.These stem from both organisational and extra-organisational contexts.The aim of this paper is to investigate the impact of both organisational and extra-organisational factors on work stress a—mong married female teachers.The study found that the three organisational factors i.e.management and administration,pupil recalcitrance and time demands were significantly correlated with work stress.As for the extra-organisational factors,only personal problems variable was found significantly correlated with work stress.A number of studies of teacher stress have been commissioned over the past decade by the major teaching unions.
文摘Background: Over the last century, stress as an interdisciplinary concept has become an area of great interest and has been researched extensively. Although the earliest studies on stress were mostly physiological, psychological models of stress have been developed and established a link between stressors and illness in his model of general adaptation syndrome. Objective: To investigate prevalence and factors associated with occupational stress among nurses working Asser region Hospital. The study included nurses at different age groups working at different departments with assessment of any sources of stress. Methodology: A descriptive cross-sectional study was conducted targeting nurses in the main hospitals in the Asser region, Southern Saudi Arabia. A total of the study samples of 217 nurses were required to estimate the expected average stress rate among nurses. A self-administered pre-structured questionnaire used for data collection. Results: Nurses’ ages ranged 21 to 55 years old with mean age of 30.9 ± 11.7 years old. Majority of the nurses were females 175 (80.6%). The highest mean score (more stress) was reported by nurses in relation to the following stress factors;working very hard (4.3 ± 0.9), followed by being under pressure to work long hours (4.2 ± 0.9), the opportunity given to do something is not real and enough (4.2 ± 1.0). The findings showed a significant relationship between nurses’ stress level, their personal and work-related characteristics (P = 0.001). Recommendations: Interventional programs to detect and alleviate sources and effects of occupational stress should be developed including more training regarding coping strategies, nurses’ support, and better work condition.
基金supported by the National Natural Science Foundation of China (61074131 and 91132722)the Doctoral Fund of the Ministry of Education of China (21101202110007)
文摘Working memory plays an important role in human cognition. This study investigated how working memory was encoded by the power of multichannel local field potentials （LFPs） based on sparse non negative matrix factorization （SNMF）. SNMF was used to extract features from LFPs recorded from the prefrontal cortex of four SpragueDawley rats during a memory task in a Y maze, with 10 trials for each rat. Then the powerincreased LFP components were selected as working memoryrelated features and the other components were removed. After that, the inverse operation of SNMF was used to study the encoding of working memory in the time frequency domain. We demonstrated that theta and gamma power increased significantly during the working memory task. The results suggested that postsynaptic activity was simulated well by the sparse activity model. The theta and gamma bands were meaningful for encoding working memory.
文摘Hidradenitis suppurativa (HS) is a chronic, inflammatory skin condition characterized by painful nodules, abscesses, and scarring, primarily affecting areas rich in apocrine glands. Environmental and occupational risk factors, including prolonged exposure to heat, friction, and certain chemicals, have been identified as exacerbating conditions for HS. Yet, there remains a lack of tailored recommendations for modifying work environments to alleviate these triggers. This review presents novel suggestions for work modifications to reduce HS flare-ups, such as implementing breathable, friction-reducing workwear, ergonomic adjustments to minimize pressure on affected areas, and introducing low-irritant hygiene protocols in workplaces with chemical exposure. These recommendations are grounded in emerging evidence linking specific occupational exposures to the exacerbation of HS symptoms. The novelty of this approach lies in its proactive stance, shifting from reactive management of HS symptoms to preventative environmental modifications. Future studies should explore the long-term efficacy of these modifications and investigate the potential for personalized work environment adjustments based on individual patient profiles. Targeted workplace interventions may significantly improve the quality of life for HS patients, highlighting the need for multidisciplinary collaboration between dermatologists, occupational health specialists, and employers.
基金the National Natural Science Foundation of China, No. 30170326
文摘Increasing evidence suggests that heat shock factor 1 exerts endogenous protective effects on working memory under conditions of chronic psychological stress. However, the precise underlying mechanisms remain poorly understood. This study examined the protective factors affecting working memory in heat shock transcription factor 1 gene knockout mice. The results indicated that the number of correct T maze alternations decreased following mild chronic psychological stress in knockout mice. This change was accompanied by a decrease in neurogenesis and an increase in neuronal apoptosis in the hippocampal dentate gyrus. The number of correct T maze alternations was positively correlated with neurogenesis in hippocampal dentate gyrus, and negatively correlated with neuronal apoptosis. In wild type mice, no significant difference was detected in the number of correct T maze alternations or neuronal apoptosis in hippocampal dentate gyrus. These results indicate that the heat shock factor 1 gene has an endogenous protective role in working memory during mild chronic psychological stress associated with dentate gyrus neuronal apoptosis Moreover, dentate gyrus neurogenesis appears to participate in the protective mechanism.
文摘Work-related diseases can have health consequences including stress- and mental health-related disorders, musculoskeletal disorders, and cancer and skin complaints due to exposure to biological agents. We aimed to investigate the prevalence of work-related diseases among bank employees and the independent risk factors for these diseases and to highlight measures that can be taken to prevent the occurrence of such diseases, to improve holistic health, and to raise awareness about work-related disease. Data were collected during face-to-face interviews (n = 796) in the recruitment phase of an international public bank in Istanbul, Türkiye or during periodic examinations in the bank between 2017 and 2019. Data, including socio-demographic characteristics, medical anamneses, physical examination results, laboratory findings, occupational accidents, and occupational disease frequency data, were retrospectively examined, and the results were statistically evaluated. Data were analyzed using the SPSS Statistics 17.0 (IBM Corporation, Armonk, NY, USA) package program. Results were considered statistically significant at p < 0.05. Age, female gender, dust exposure, vibration in the workplace were found to be significantly associated with musculoskeletal disorders, while age and work-related noise was found to be related to digestive system problems and dust exposure had significant relation with psychiatric disorders. Work-related diseases among bank employees are a priority that should be addressed by all relevant authorities to enable people to lead healthy lives in physical, mental, spiritual, and social terms.
基金supported by the Research Fund from National Science and Technology Infrastructure Program of the People’s Republic of China(2014BAI12B03)Major Project of Beijing Academy of Science and Technology(PXM2014-178304-000002-00131228)
文摘Objective In this study, we aimed at exploring the association between work-related musculoskeletal disorders（WMSDs） and work organization based on a case-control study. Methods A total of 1938 workers who claimed to suffer from WMSDs were selected from Beijing, Henan, Hubei, and the Guangdong province. The control group consisted of 2009 workers employed in similar industries without severe disease or musculoskeletal discomforts. We used a modified version of the questionnaire developed by the NMQ and the DMQ to investigate individual and work-related factors. Results A total of 13 variables（P〈0.1） were selected by the chi-square test and finally, 7 variables entered into the equation, with 6 variables reaching statistical significance（P〈0.05）. The odds ratios（OR） of ＇work changing with season＇ and ＇sufficient rest time＇ did not reach 1（0.749 and 0.441, respectively）. In addition, ＇sufficient rest time＇ seemed to be the stronger protective factor according to its higher standardized coefficient. And ＇repetitive work every minute＇, ＇constantly repetitive work＇（every day）, ＇shortage of site personnel＇, and ＇often switching shifts with others＇ seemed to be the risk factors. Conclusion Work organization may have comprehensive effects on the occurrence of WMSDs. This pattern of associations suggests that further investigation into the mechanism of how work organization affects the prevalence of WMSDs is required.
基金ItemSponsored by National Natural Science Foundation of China (50271030) Provincial Natural Science Foundation ofLiaoning Province of China (972072)
文摘Taking the hot working die steel （HWDS） 4Cr3Mo2NbVNi as an example, the phase electron structures （PES） and the biphase interface electron structures （BIES） of Mo2C and V4 C3 , which are two kinds of important carbides precipitated during tempering in steel were calculated, on the basis of the empirical electron theory of solids and molecules and the improved TFD theory. The influence of Mo2 C and V4 C3 on the mechanical properties of HWDS has been analyzed at electron structure level, and the fundamental reason that the characteristic of the PES and the BIES of carbides decides the behavior of them has been revealed.
基金Supported by the High-tech Research and Development Program of China(2014AA041802)Fundamental Research Funds for the Central Universities(DUT15RC(3)007)
文摘Energy efficiency evaluation plays an important role in energy efficiency improvement of the ethylene production. It is observed from the actual production data that the ethylene production energy efficiency often varies with the complex production working conditions. In the favored methods for energy efficiency evaluation,DEA models may show poor resolution when directly used to evaluate the efficiency values. Therefore, a new energy efficiency evaluation method for ethylene production is proposed based on DEA integrated factor analysis with respect to operation classification. Three key factors, including raw material composition, cracking depth and load rate, are taken into account in determining the production working conditions by means of k-means algorithm. Based on the multi-working conditions mode the energy efficiency evaluation of the ethylene production is made by using DEA model, where the most related energy data are screened by factor analysis.Furthermore, the supporting decision of energy efficiency improvement is provided to the operators. The accuracy and effectiveness of the proposed method are illustrated by applying in a practical ethylene production,which gives more effective energy efficiency evaluation in the complicated working conditions of ethylene production with declined dimension of input indicators.
基金Supported by National Natural Science Foundation of China(Grant No.51575102)Jiangsu Postgraduate Research Innovation Program(Grant No.KYCX18_0075).
文摘Most gear fault diagnosis(GFD)approaches su er from ine ciency when facing with multiple varying working conditions at the same time.In this paper,a non-negative matrix factorization(NMF)-theoretic co-clustering strategy is proposed specially to classify more than one task at the same time using the high dimension matrix,aiming to o er a fast multi-tasking solution.The short-time Fourier transform(STFT)is first used to obtain the time-frequency features from the gear vibration signal.Then,the optimal clustering numbers are estimated using the Bayesian information criterion(BIC)theory,which possesses the simultaneous assessment capability,compared with traditional validity indexes.Subsequently,the classical/modified NMF-based co-clustering methods are carried out to obtain the classification results in both row and column tasks.Finally,the parameters involved in BIC and NMF algorithms are determined using the gradient ascent(GA)strategy in order to achieve reliable diagnostic results.The Spectra Quest’s Drivetrain Dynamics Simulator gear data sets were analyzed to verify the e ectiveness of the proposed approach.
文摘Nowadays, cancer is one of the main worldwide causes of death and an increasing issue in public health. In the European Union, it is the first work-related cause of death. Studies about occupational risk exposure are a useful field of investigation to determine cancerous elements;special attention is paid to the relationship between cancer and work in women, who must constantly adapt to the working market and the new working fields, with their diverse degrees of exposure to risks. This revision has reviewed the bibliography gathered in Medline related to breast cancer, cervix cancer, uterus cancer, and ovarian cancer, along with their relationship with different work-related risks and types of working roles. The results have shown enough scientific evidence to suspect that work related exposition could be a plausible cause of these gynaecological cancers. Therefore, we want to stress the need of enhancing the coordinated investigation between all the medical specialties involved, and to encourage the spread of the necessary knowledge to manage and prevent them.
文摘Nurse turnover can negatively impact delivering patient care in the health facilities which will affect the patient’s health and reduce the quality of care. The MOH faces a serious challenge or high nursing staff turnover and the intention to leave the workforce. <strong>Aim:</strong> To explore one of the significant human recourse problems in the MOH and affecting the healthcare system, which is, factors affecting nurses’ turnover in governmental hospitals using Alhassa governmental hospitals as a case study.<strong> Method:</strong> A quantitative research method used to explore the factors affecting nurses’ turnover in the governmental hospitals in Alhassa. <strong>Result:</strong> According to the study finding, management style was a factor more likely to indicate nurses’ turnover. It defines the impact of management style and works environment on nurses’ and clients’ systems. Individual factors were the second influence on their turnover. The balance between nurses’ work and their family need was the first issue that had affected their work. Organization factors are also an influence on the nurses’ turnover in Alhassa region. <strong>Conclusion: </strong>Nurses’ turnover is a significant issue in a human resource in MOH. This study first applied in Alhassa region that highlighted the factors that affect nurses’ turnover. Nurses’ turnover is a continuous problem that occurs in the health facilities related to management method causes, personal causes or organizational causes. Management style was the most influences on nurses’ turnover in this study changing or modifying management style that can intent nurses to continue their work in the hospital in Alhassa region.
文摘Our healthcare delivery system has accumulated complexity of payment, regulation systems, expectations and requirements. Often these are not designed to align with clinical thinking process flow of patient care. As a result, clinicians are utilizing enormous mental (cognitive) resource to comply with these complexities, over and above the baseline mental effort required to give good care to the patient. Recent studies suggest a significant number of physicians, advanced practice providers and nurses no longer want to stay in healthcare due to difficult work expectations and conditions that have become unreasonable. Technology has benefitted healthcare delivery, but also is a conduit of many expectations that have been grafted upon clinician workloads, exceeding the resources provided to accomplish them. Cognitive load is a measure of mental effort and is divided into Intrinsic, Germane and Extraneous Cognitive Load. Extraneous Cognitive Load (ECL) is what is not necessary and can be removed by better design. High cognitive load is associated with increased risk of both medical error and clinician burnout. Chronic high level occupational stress occurs from dealing with this job/resource imbalance and is showing serious personal health impact upon clinicians and the quality of the work they can provide for patients. Since organizational systems have become more complex, leadership methods, clinician wellbeing and patient safety efforts need to adjust to adapt and succeed. Safety efforts have tended to predominantly follow methods of a few decades ago with predominant focus upon how things go wrong (Safety I) but are now being encouraged to include more of the study of how things go right (Safety II). Human Factors/Ergonomics (HFE) science has been used in many industries to preserve worker wellbeing and improve system performance. Patient safety is a product of good system performance. HFE science helps inform mechanisms behind Safety I and II approach. HFE concepts augment existing burnout and safety interventions by providing a conceptual roadmap to follow that can inform how to improve the multiple human/technology, human/system, and human/work environment interfaces that comprise healthcare delivery. Healthcare leaders, by their influence over culture, resource allocation, and implementation of requirements and workflows are uniquely poised to be effective mitigators of the conditions leading to clinician burnout and latent medical error. Basic knowledge of HFE science is a strategic advantage to leaders and individuals tasked with achieving quality of care, controlling costs, and improving the experiences of receiving and providing care.
文摘Introduction: Work-related musculoskeletal disorders (WRMSDs) are a public health problem and have forced many workers to quit their jobs prematurely. This study investigated the prevalence and risk factors of WRMSDs among Healthcare workers in five reference hospitals in the City of Douala-Cameroon. Methods: A cross-sectional study was conducted in 2022 among 561 healthcare workers working in five reference hospitals in the city of Douala, Cameroon. Participants were selected using a convenient sampling technique. Data were collected with structured questionnaires;data on the demographics and risk factors were collected using a well-designed questionnaire, while estimation of the prevalence of WRMSDs was done using the Modified Nordic questionnaire. Results: The overall prevalence rate of WRMSDs among healthcare workers in Douala hospitals was 83.4% (468/561). The prevalence per professional groups was as follows: 88.8% (71) for Medical Laboratory Scientists (MLS), 81.9% (289) for nurses, 21 (80.8%) for Physiotherapists (PTs) and 78.8% (41) for Medical Doctors (MDs). There was a significant difference (p = 0.001) in the prevalence of WRMSDs with respect to place of work where healthcare workers from HLD recorded the highest prevalence 89.9%, while Healthcare workers from NBDH were 2.91 times at risk (AOR = 2.91;95% CI: 1.32 - 6.41;p = 0.001) to develop WRMSDs than healthcare workers in the other hospitals. With respect to body region, the highest prevalence of WRMSDs was recorded on the lower back, 58.8% with the lowest at the elbows 11.2%. The age group 30 to 39 years was significantly associated with WRMSDs at level of the shoulder (p = 0.002), upper back (p = 0.019), elbows (p Conclusion: The overall prevalence rate of WRMSDs among healthcare workers in Douala hospitals was high. The prevalence of WRMSDs is highest among MLS and nurses and the most affected body parts are;lower back, neck and upper back. Working on the same posture, stressful job, and repetitive tasks were the major risk factors associated to WRMSDs among healthcare workers in Douala hospitals.
