Introduction:Having a primary care usual source of care(USC)is associated with better population health outcomes.However,the percent of adults in the United States(US)with a usual primary care provider is declining.We...Introduction:Having a primary care usual source of care(USC)is associated with better population health outcomes.However,the percent of adults in the United States(US)with a usual primary care provider is declining.We sought to identify factors associated with establishing a USC at an urgent care clinic or emergency department as opposed to primary care.Methods:We analyzed data from 57,152 participants in the All of Us study who reported having a USC.We used the Andersen Behavioral Model of Health Services Use framework and multivariable logistic regression to examine associations among predisposing,enabling,and need factors,according to the source of usual care.Results:An urgent care clinic,minute clinic,or emergency department was the source of usual care for 6.3%of our sample.The odds of seeking care at this type of facility increased with younger age,lower educational attainment,and better health status.Black and Hispanic individuals,as well as those who reported experiencing discrimination in medical settings or that their provider was of a different race and ethnicity,were also less likely to have a primary care USC.Financial concerns,being anxious about seeing a provider,and the inability to take time off from work also increased the likelihood of having a non‐primary care USC.Conclusions:Improving the rates of having a primary care USC among younger and healthy adults may be achievable through policies that can improve access to convenient,affordable primary care.Efforts to improve diversity among primary care providers and reduce discrimination experienced by patients may also improve the USC rates for racial and ethnic minority groups.展开更多
With the development of wireless networks, the amount of multiple services increased sharply in recent years. High quality multiple services with low price are urgently needed especially in new generation mobile commu...With the development of wireless networks, the amount of multiple services increased sharply in recent years. High quality multiple services with low price are urgently needed especially in new generation mobile communication systems, e.g., 3G/LTE networks. It is important to enhance the availability of data service resources. Services have strong association which are used by clients with similar behavior habits in networks. Such feature results in service behavior convergence （SBC） and its utilization will enhance resource efficiency. This paper proposes two applications of service behavior： service prediction and a scheduling algorithm which enhances bandwidth efficiency. Convergence cells are classified according to SBC and hot-spot services are broadcasted separately in each convergence cell. It is demonstrated by stimulation that the bandwidth is saved 80% more than classical cellular system and nearly 20% more than traditional broadcasting system.展开更多
The triboelectric nanogenerators(TENGs),suppling power for freely mobile and distributed electronic equipment from Internet of Things,have been considered as“the energy for the new era”.Research on the service behav...The triboelectric nanogenerators(TENGs),suppling power for freely mobile and distributed electronic equipment from Internet of Things,have been considered as“the energy for the new era”.Research on the service behavior has become increasingly important for achieving the reliability evaluation and life prediction of TENGs,as TENGs advance from prototypes to practical applications.Due to the wide selection of materials,the diversity of device structures,and the complexity of working environment,TENGs show unique characteristics in the service behavior.These dilemmas lead to the fact that systematical summary of service behavior for TENGs is still in its infancy.Here,the progresses of the service behavior for TENGs are comprehensively reviewed from the influence of environmental factors on the service performance of TENGs to the impact of TENGs during the service on their surroundings.We summed up the performance evolution of TENGs in the real environment and the reproducibility of TENGs of which the electrical output will be restored after failure.Then,the service adaptability of TENG is systematically discussed,including the biological and environmental compatibility.Finally,the challenges and opportunities that the related research faced are proposed to promote the emerging technology from laboratory to factory.展开更多
文摘Introduction:Having a primary care usual source of care(USC)is associated with better population health outcomes.However,the percent of adults in the United States(US)with a usual primary care provider is declining.We sought to identify factors associated with establishing a USC at an urgent care clinic or emergency department as opposed to primary care.Methods:We analyzed data from 57,152 participants in the All of Us study who reported having a USC.We used the Andersen Behavioral Model of Health Services Use framework and multivariable logistic regression to examine associations among predisposing,enabling,and need factors,according to the source of usual care.Results:An urgent care clinic,minute clinic,or emergency department was the source of usual care for 6.3%of our sample.The odds of seeking care at this type of facility increased with younger age,lower educational attainment,and better health status.Black and Hispanic individuals,as well as those who reported experiencing discrimination in medical settings or that their provider was of a different race and ethnicity,were also less likely to have a primary care USC.Financial concerns,being anxious about seeing a provider,and the inability to take time off from work also increased the likelihood of having a non‐primary care USC.Conclusions:Improving the rates of having a primary care USC among younger and healthy adults may be achievable through policies that can improve access to convenient,affordable primary care.Efforts to improve diversity among primary care providers and reduce discrimination experienced by patients may also improve the USC rates for racial and ethnic minority groups.
基金supported by the Joint Funds of NSFC Guangdong (U1035001)the National Natural Science Foundation of China (61001117)+2 种基金the National Basic Research Program of China (2007CB310602)the State Major Science and Technology Special Projects (2010ZX03005-003, 2009ZX03007-004,2010ZX03003-001-01)the Specialized Research Fund for the Doctoral Program of Higher Education (200800131015)
文摘With the development of wireless networks, the amount of multiple services increased sharply in recent years. High quality multiple services with low price are urgently needed especially in new generation mobile communication systems, e.g., 3G/LTE networks. It is important to enhance the availability of data service resources. Services have strong association which are used by clients with similar behavior habits in networks. Such feature results in service behavior convergence （SBC） and its utilization will enhance resource efficiency. This paper proposes two applications of service behavior： service prediction and a scheduling algorithm which enhances bandwidth efficiency. Convergence cells are classified according to SBC and hot-spot services are broadcasted separately in each convergence cell. It is demonstrated by stimulation that the bandwidth is saved 80% more than classical cellular system and nearly 20% more than traditional broadcasting system.
基金supported by the National Key Research and Development Program of China(No.2018YFA0703500)the National Natural Science Foundation of China(Nos.52232006,52188101,52102153,52072029,51991340,and 51991342)+2 种基金the Overseas Expertise Introduction Projects for Discipline Innovation(No.B14003)the China Postdoctoral Science Foundation(No.2021M700379)the Fundamental Research Funds for Central Universities(No.FRF-TP-18-001C1).
文摘The triboelectric nanogenerators(TENGs),suppling power for freely mobile and distributed electronic equipment from Internet of Things,have been considered as“the energy for the new era”.Research on the service behavior has become increasingly important for achieving the reliability evaluation and life prediction of TENGs,as TENGs advance from prototypes to practical applications.Due to the wide selection of materials,the diversity of device structures,and the complexity of working environment,TENGs show unique characteristics in the service behavior.These dilemmas lead to the fact that systematical summary of service behavior for TENGs is still in its infancy.Here,the progresses of the service behavior for TENGs are comprehensively reviewed from the influence of environmental factors on the service performance of TENGs to the impact of TENGs during the service on their surroundings.We summed up the performance evolution of TENGs in the real environment and the reproducibility of TENGs of which the electrical output will be restored after failure.Then,the service adaptability of TENG is systematically discussed,including the biological and environmental compatibility.Finally,the challenges and opportunities that the related research faced are proposed to promote the emerging technology from laboratory to factory.
