Internet-based interventions(IBIs)for behavioural health have been prevalent for over two decades,and a growing proportion of individuals with mental health concerns prefer these emerging digital alternatives.However,...Internet-based interventions(IBIs)for behavioural health have been prevalent for over two decades,and a growing proportion of individuals with mental health concerns prefer these emerging digital alternatives.However,the effectiveness and acceptability of IBIs for various mental health disorders continue to be subject to scholarly debate.We performed an umbrella review of meta-analyses(MAs),conducting literature searches in PubMed,Web of Science,Embase,Cochrane and Ovid Medline from their inception to 17 January 2023.A total of 87MAs,reporting on 1683 randomised controlled trials and 295589 patients,were included.The results indicated that IBIs had a moderate effect on anxiety disorder(standardised mean difference(SMD)=0.53,95%CI 0.44 to 0.62)and post-traumatic stress disorder(PTSD)(SMD=0.63,95%CI 0.38 to 0.89).In contrast,the efficacy on depression(SMD=0.45,95%CI 0.39 to 0.52),addiction(SMD=0.23,95%CI 0.16 to 0.31),suicidal ideation(SMD=0.23,95%CI 0.16 to 0.30),stress(SMD=0.41,95%CI 0.33 to 0.48)and obsessive-compulsive disorder(SMD=0.47,95%CI 0.22 to 0.73)was relatively small.However,no significant effects were observed for personality disorders(SMD=0.07,95%CI-0.13 to 0.26).Our findings suggest a significant association between IBIs and improved mental health outcomes,with particular effectiveness noted in treating anxiety disorders and PTSD.However,it is noteworthy that the effectiveness of IBIs was impacted by high dropout rates during treatment.Furthermore,our results indicated that guided IBIs proved to be more effective than unguided ones,playing a positive role in reducing dropout rates and enhancing patient adherence rates.展开更多
The changes in the mechanical properties of collapsing walls under the influence of natural factors in the hilly area of southern China need to be determined.We systematically studied the influence of the interaction ...The changes in the mechanical properties of collapsing walls under the influence of natural factors in the hilly area of southern China need to be determined.We systematically studied the influence of the interaction of dry densityρ(1.0,1.1,1.2,1.3,1.4 g/cm3)and moisture content w(0.05,0.1,0.15,0.2,0.25 g/g)on the stability of four soil layers in a collapsing wall.The soil cohesion decreased with increasing soil depth.The cohesion force initially increased and then decreased with increasingωand increased with increasingρ;the internal friction angle was mainly affected byωand decreased with increasingω.The cohesion could be used to effectively characterize the stability of the collapsing wall.The shear strength index was modeled based on interaction between the dry density and moisture content(R2>0.95).The optimal combination of moisture content and dry density was obtained,and the collapsing wall was in the most stable state at a moisture content of 0.12-0.19 g/g and a dry density of 1.40 g/cm3.Based on the analysis of the critical height and safety factor(FS),the FS values of the sandy layer(C)was 0.53 and 0.57 forωvalues of 0.25 g/g and 0.05 g/g,respectively.In the alternating process of soil wetting and drying,the basic properties of the soil changed;caused traceback erosion,and thereby affected the stability of the collapsing wall.Our study provides a theoretical basis for the investigation of the factors influencing the stability of collapsing walls.展开更多
基金supported by Anhui Province University Scientific Research Projects(2023AH040086)Key Laboratory of Philosophy and Social Science of Anhui Province on Adolescent Mental Health and Crisis Intelligence Intervention(SYS2023B08).
文摘Internet-based interventions(IBIs)for behavioural health have been prevalent for over two decades,and a growing proportion of individuals with mental health concerns prefer these emerging digital alternatives.However,the effectiveness and acceptability of IBIs for various mental health disorders continue to be subject to scholarly debate.We performed an umbrella review of meta-analyses(MAs),conducting literature searches in PubMed,Web of Science,Embase,Cochrane and Ovid Medline from their inception to 17 January 2023.A total of 87MAs,reporting on 1683 randomised controlled trials and 295589 patients,were included.The results indicated that IBIs had a moderate effect on anxiety disorder(standardised mean difference(SMD)=0.53,95%CI 0.44 to 0.62)and post-traumatic stress disorder(PTSD)(SMD=0.63,95%CI 0.38 to 0.89).In contrast,the efficacy on depression(SMD=0.45,95%CI 0.39 to 0.52),addiction(SMD=0.23,95%CI 0.16 to 0.31),suicidal ideation(SMD=0.23,95%CI 0.16 to 0.30),stress(SMD=0.41,95%CI 0.33 to 0.48)and obsessive-compulsive disorder(SMD=0.47,95%CI 0.22 to 0.73)was relatively small.However,no significant effects were observed for personality disorders(SMD=0.07,95%CI-0.13 to 0.26).Our findings suggest a significant association between IBIs and improved mental health outcomes,with particular effectiveness noted in treating anxiety disorders and PTSD.However,it is noteworthy that the effectiveness of IBIs was impacted by high dropout rates during treatment.Furthermore,our results indicated that guided IBIs proved to be more effective than unguided ones,playing a positive role in reducing dropout rates and enhancing patient adherence rates.
基金the financial support for the Special Projects of the Central Government Guiding Local Science and Technology Development in China(Guike.ZY21195022)the research provided by Guangxi Natural Science Foundation(2021GXNSFBA075017)+1 种基金the National Natural Science Foundation of China(No.42007055 and 42107350)the Guangxi Training Program of Innovation and Entrepreneurship for Undergraduates(No.S202210593236).
文摘The changes in the mechanical properties of collapsing walls under the influence of natural factors in the hilly area of southern China need to be determined.We systematically studied the influence of the interaction of dry densityρ(1.0,1.1,1.2,1.3,1.4 g/cm3)and moisture content w(0.05,0.1,0.15,0.2,0.25 g/g)on the stability of four soil layers in a collapsing wall.The soil cohesion decreased with increasing soil depth.The cohesion force initially increased and then decreased with increasingωand increased with increasingρ;the internal friction angle was mainly affected byωand decreased with increasingω.The cohesion could be used to effectively characterize the stability of the collapsing wall.The shear strength index was modeled based on interaction between the dry density and moisture content(R2>0.95).The optimal combination of moisture content and dry density was obtained,and the collapsing wall was in the most stable state at a moisture content of 0.12-0.19 g/g and a dry density of 1.40 g/cm3.Based on the analysis of the critical height and safety factor(FS),the FS values of the sandy layer(C)was 0.53 and 0.57 forωvalues of 0.25 g/g and 0.05 g/g,respectively.In the alternating process of soil wetting and drying,the basic properties of the soil changed;caused traceback erosion,and thereby affected the stability of the collapsing wall.Our study provides a theoretical basis for the investigation of the factors influencing the stability of collapsing walls.
