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Pregnancy stressors and postpartum symptoms of depression and anxiety:the moderating role of a cognitivebehavioural therapy(CBT)intervention

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General Psychiatry 2024年第1期37卷 112-121页

作者： Yunxiang Sun Soim Park Abid Malik Najia Atif Ahmed Zaidi Atif Rahman Pamela J Surkan department of International health Johns Hopkins University Bloomberg School of Public HealthBaltimoreMarylandUSA department of public Mental health Health Services AcademyIslamabadPakistan Human Development Research Foundation RawalpindiPakistan department of primary care and Mental health Institute of Population HealthUniversity of LiverpoolLiverpoolUK

Background Little is known about the association between stressors(especially positive stressors)during pregnancy and postpartum depression and anxiety.Aims We investigated the association between positive and negative stress events during different stages of pregnancy and postpartum mental health outcomes among low-income pregnant women with symptoms of anxiety in Pakistan and evaluated whether an intervention based on cognitive behavioural therapy(CBT)had a regulatory effect.Methods Participants were 621 pregnant Pakistani women with mild anxiety.Using the Pregnancy Experience Scale-Brief Version,six scores were created to assess positive and negative stressors.We performed a multivariate linear regression to examine whether these six scores,measured both at baseline and in the third trimester,were associated with postpartum anxiety and depressive symptoms.The effect of the intervention on this relationship was examined by adding an interaction term to the regression model.Results Hassles frequency measured in the third trimester was positively associated with depression(B=0.22,95%confidence interval(Cl):0.09 to 0.36)and anxiety(B=0.19,95%Cl:0.08to 0.30).At the same timepoint,uplifts intensity was negatively associated with symptoms of depression(B=-0.82,95%Cl:1.46 to-0.18)and anxiety(B=-0.70,95%Cl:-1.25 to-0.15),whereas hassles intensity was positively related to symptoms of depression(B=1.02,95%Cl:0.36 to 1.67)and anxiety(B=0.90,95%Cl:0.34 to 1.47).The intensity ratio of hassles to uplifts reported in the third trimester was positively related to both depression(B=1.40,95%Cl:0.59 to 2.20)and anxiety(B=1.26,95%Cl:0.57 to 1.96).The intervention strengthened the overall positive effects of uplfts and the negative effects of hassles.Pregnancy experiences at baseline during early pregnancy to mid-pregnancy were not associated with mental health outcomes.Conclusions Stressors in the third trimester but not earlier in pregnancy were associated with postpartum symptoms of anxiety and depression.The CBT intervention m

关键词： postpartum stress behaviour

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Characterization of a smog chamber for studying formation of gas-phase products and secondary organic aerosol

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Journal of Environmental Sciences 2024年第2期136卷 570-582页

作者： Qi Yuan Zhuozhi Zhang Meng Wang Kin Fai Ho Tao Wang Shuncheng Lee department of Civil and Environmental Engineering The Hong Kong Polytechnic UniversityKowloonHong KongChina School of public health and primary care The Chinese University of Hong KongShatinHong KongChina

Smog chambers provide a potent approach to explore the secondary organic aerosol formation under varied conditions.This study describes the construction and characterization of a new smog chamber facility for studying the formation mechanisms of gas-phase products and secondary organic aerosol from the photooxidation of volatile organic compounds.The chamber is a 5.4 m^(3) Fluorinated Ethylene Propylene(FEP)Teflon reactor with the potential to perform photooxidation experiments at controlled temperature and relative humidity.Detailed characterizations were conducted for evaluation of stability of environmental parameters,mixing time,background contamination,light intensity,and wall losses of gases and particles.The photolysis rate of NO_(2)(J_(NO2))ranged from(1.02-3.32)×10^(-3)sec^(-1),comparable to the average J_(NO2)in ambient environment.The wall loss rates for NO,NO_(2),and O_(3)were 0.47×10^(-4),0.37×10^(-4),and 1.17×10^(-4)min^(-1),while wall loss of toluene was obsoletely found in a 6 hr test.The particle number wall loss rates are(0.01-2.46)×10^(-3)min^(-1)for 40-350 nm with an average lifetime of more than one day.A series of toluene photooxidation experiments were carried out in absence of NO_xunder dry conditions.The results of the simulation experiments demonstrated that the chamber is well designed to simulate photolysis progress in the atmosphere.

关键词： Smog chamber Gas-phase oxidation Chamber characterization Chemical mechanism

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Cost effectiveness of nonpharmacological prevention programs for diabetes:A systematic review of trial-based studies

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Chronic Diseases and Translational Medicine 2024年第1期10卷 12-21页

作者： Yongyi Xiong Zhaohua Huo Samuel Y.S.Wong Benjamin H.K.Yip Jockey Club School of public health and primary care Prince of Wales HospitalThe Chinese University of Hong KongShatinHong KongChina

Trial-based economic value of prevention programs for diabetes is inexplicit.We aimed to review the cost-effectiveness of nonpharmacological interventions to prevent type-2 diabetes mellitus(T2DM)for high-risk people.Six electronic databases were searched up to March 2022.Studies assessing both the cost and health outcomes of nonpharmacological interventions for people at high-risk of T2DM were included.The quality of the study was assessed by the Consolidated health Economic Evaluation Reporting Standards 2022 checklist.The primary outcome for synthesis was incremental cost-effectiveness ratios(ICER)for quality-adjusted life years(QALYs),and costs were standardized in 2022 US dollars.Narrative synthesis was performed,considering different types and delivery methods of interventions.Sixteen studies included five based on the US diabetes prevention program(DPP),six on non-DPP-based lifestyle interventions,four on health education,and one on screening plus lifestyle intervention.Compared with usual care,lifestyle interventions showed higher potential of cost-effectiveness than educational interventions.Among lifestyle interventions,DPP-based programs were less cost-effective(median of ICERs:$27,077/QALY)than non-DPP-based programs(median of ICERs:$1395/QALY)from healthcare perspectives,but with larger decreases in diabetes incidence.Besides,the cost-effectiveness of interventions was more possibly realized through the combination of different delivery methods.Different interventions to prevent T2DM in high-risk populations are both cost-effective and feasible in various settings.Nevertheless,economic evidence from low-and middle-income countries is still lacking,and interventions delivered by trained laypersons and combined with peer support sessions or mobile technologies could be potentially a cost-effective solution in such settings with limited resources.

关键词： economic evaluation nonpharmacological interventions pre-diabetes prevention

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Introducing the Hong Kong Medical Journal and its important role in the timely dissemination of COVID-19 related knowledge

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Chinese Medical Journal 2024年第3期137卷 253-254页

作者： Rashid N Lui Kenneth KW Li Martin CS Wong Hong Kong Medical Journal Hong Kong SARChina The JC School of public health and primary care Faculty of MedicineThe Chinese University of Hong KongHong Kong SARChina

Hong Kong Medical Journal(HKMJ)is the flagship general medical journal in the Hong Kong Special Administrative Region,China,with an international outlook.We are committed to publishing and promoting high-quality research.Led by our Editor-in-Chief,Professor Martin CS Wong,our Editorial Board is pleased to collaborate with Dr.Chen Wang,the Editor-in-Chief of the Chinese Medical Journal(CMJ),as well as the editors of CMJ to enhance the visibility of our respective journals and foster a collaborate environment that brings forth ideas and knowledge to our readers.

关键词： journal knowledge visibility

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Associations of daily sedentary behavior,physical activity,and sleep with irritable bowel syndrome:A prospective analysis of 362,193 participants

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Journal of Sport and health Science 2024年第1期13卷 72-80页

作者： Xu Gao Sifan Tian Ninghao Huang Gang Sun Tao Huang department of Occupational and Environmental health Sciences School of Public HealthPeking UniversityBeijing 100191China department of Epidemiology and Biostatistics School of Public HealthPeking UniversityBeijing 100191China department of Gastroenterology and Hepatology First Medical Center of People's Liberation Army General HospitalBeijing 100853China

Background:Irritable bowel syndrome(IBS)substantially affects quality of life and requires early prevention.This study aimed to elucidate the relationships between IBS and daily behaviors,including sedentary behavior(SB),physical activity(PA),and sleep.In particular,it seeks to identify healthy behaviors to reduce IBS risk,which previous studies have rarely addressed.Methods:Daily behaviors were retrieved from self-reported data of 362,193 eligible UK Biobank participants.Incident cases were determined by self-report or health care data according to RomeⅣcriteria.Results:A total of 345,388 participants were IBS-free at baseline,during a median follow-up of 8.45 years,19,885 incident IBS cases were recorded.When examined individually,SB and shorter(≤7 h/day)or longer(>7 h/day)sleep duration were each positively associated with increased IBS risk,and PA was associated with lower IBS risk.The isotemporal substitution model suggested that replacing SB with other activities could provide further protective effects against IBS risk.Among people sleeping≤7 h/day,replacing 1 h of SB with equivalent light PA,vigorous PA,or sleep was associated with 8.1%(95%confidence interval(95%CI):0.901-0.937),5.8%(95%CI:0.896-0.991),and 9.2%(95%CI:0.885-0.932)reduced IBS risk,respectively.For people sleeping>7 h/day,light and vigorous PA were associated with a 4.8%(95%CI:0.926-0.978)and a 12.0%(95%CI:0.815-0.949)lower IBS risk,respectively.These benefits were mostly independent of genetic risk for IBS.Conclusion:SB and unhealthy sleep duration are risk factors for IBS.A promising way to mitigate IBS risk for individuals sleeping≤7 h/day and for those sleeping>7 h/day appears to be by replacing SB with adequate sleep or vigorous PA,respectively,regardless of the genetic predisposition of IBS.

关键词： Irritable bowel syndrome Isotemporal substitution model Physical activity Sedentary behavior Sleep

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Independent and Combined Associations of Sleep Duration, Bedtime, and Polygenic Risk Score with the Risk of Hearing Loss among Middle-Aged and Old Chinese: The Dongfeng–Tongji Cohort Study

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Research 2024年第1期2023卷 721-733页

作者： Miao Liu Haiqing Zhang Zhichao Wang Tingting Mo Xuefeng Lai Yaling He Minghui Jiang Meian He Weijia Kong Tangchun Wu Xiaomin Zhang department of Occupational and Environmental health Ministry of Education Key Laboratory of Environment and Healthand State Key Laboratory of Environmental Health(Incubating)School of Public HealthTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubeiChina department of Otorhinolaryngology Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubeiChina department of Epidemiology and Biostatistics School of Public HealthTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubeiChina

Evidence available on the independent and combined associations of sleep duration,bedtime,and genetic predisposition with hearing loss was lacking.The present study included 15,827 participants from the Dongfeng–Tongji cohort study.Genetic risk was characterized by polygenic risk score(PRS)based on 37 genetic loci related to hearing loss.We conducted multivariate logistic regression models to assess the odds ratio(OR)for hearing loss with sleep duration and bedtime,as well as the joint association and interaction with PRS.Results showed that hearing loss was independently associated with sleeping≥9 h/night compared to the recommended 7 to9:00 p.***.to 10:00 p.***.compared to those with bedtime>10:00 p.***.to 11:00 p.m.,with estimated ORs of 1.25,1.27,and 1.16,respectively.

关键词： Middle hearing fen

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Associations between parental adherence to healthy lifestyles and cognitive performance in offspring:A prospective cohort study in China

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Chinese Medical Journal 2024年第6期137卷 683-693页

作者： Rongxia Lv Yuhui Huang Siyi Huang Shiyi Wu Siwen Wang Guangyu Hu Yanan Ma Peige Song Jorge E.Chavarro S.V.Subramanian Chunling Lu Zhihui Li Changzheng Yuan School of public health the Second Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang 310058China department of Nutrition Harvard T.H.Chan School of Public HealthBostonMA 02115USA Institute of Medical Information/Center for health Policy and Management Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100730China department of Biostatistics and Epidemiology School of Public HealthChina Medical UniversityShenyangLiaoning 110122China department of Social and Behavioral Sciences Harvard T.H.Chan School of Public HealthBostonMA 02115USA Division of Global health Equity Brigham and Women’s HospitalHarvard Medical SchoolBostonMA 02115USA department of Global health and Social Medicine Harvard Medical SchoolBostonMA 02115USA Vanke School of public health Tsinghua UniversityBeijing 100084China department of Global health and Population Harvard T.H.Chan School of Public HealthBostonMA 02115USA

Background:Previous studies have reported associations of specific maternal and paternal lifestyle factors with offspring’s cognitive development during early childhood.This study aimed to investigate the prospective associations between overall parental lifestyle and offspring’s cognitive performance during adolescence and young adulthood in China.Methods:We included 2531 adolescents aged 10-15 years at baseline in 2010 from the China Family Panel Studies.A healthy parental lifestyle score(ranged 0-5)was constructed based on the following five modifiable lifestyle factors:Smoking,drinking,exercise,sleep,and diet.Generalized estimating equation models were used to examine the association between baseline parental healthy lifestyle scores and offspring’s fluid and crystallized intelligence in subsequent years(2012,2014,2016,and 2018).Results:Offspring in the top tertile of parental healthy lifestyle scores performed better in overall fluid intelligence(multivariable-adjusted β=0.53,95%confidence interval[CI]:0.29-0.77)and overall crystallized intelligence(multivariable-adjusted β=0.35,95%CI:0.16-0.54)than those in the bottom tertile of parental healthy lifestyle scores.The results were similar after further adjustment for the offspring’s healthy lifestyle scores and persisted across the subgroups of parental socioeconomic status.Additionally,maternal and paternal healthy lifestyle scores were independently associated with better offspring’s cognitive performance,with significant contribution observed for paternal never-smoking,weekly exercise,and diversified diet.When both parents and offspring adhered to a healthier lifestyle,we observed the highest level of the offspring’s overall crystallized intelligence.Conclusions:Our study indicates that parental adherence to a healthier lifestyle is associated with significantly better offspring’s cognitive performance during adolescence and early adulthood,regardless of socioeconomic status.These findings highlight the potential cognitive benefits of promoting healthy lif

关键词： Cohort study Parental healthy lifestyle Offspring Cognitive performance Intelligence Adolescence

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Lecanemab Unveiled:Exploring Alzheimer’s Treatment Advancements,Assessing Strengths,Limitations,and Its Therapeutic Landscape Position

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Biomedical and Environmental Sciences 2024年第4期37卷 428-431页

作者： VICTOR Abiola Adepoju OKECHUKWU Innocent Onyezue SAFAYET Jamil OLALEKAN John Okesanya DON Eliseo Lucero-Prisno Ⅲ department of HIV and Infectious Diseases Jhpiegoan affiliate of John Hopkins UniversityAbujaNigeria department of Prevention and Community Directorate APIN Public Health InitiativesAbujaNigeria department of public health Daffodil International UniversityDhaka-1216Bangladesh department of public health and Maritime Transport University of ThessalyVolosGreece department of Global health and Development London School of Hygiene and Tropical MedicineLondonUnited Kingdom

In the ever-evolving landscape of Alzheimer’s treatment,lecanemab(Leqembi)has emerged as a promising drug.Unlike conventional therapies that merely alleviate symptoms,lecanemab is a humanized monoclonal antibody with a distinct focus.It targets protofibrils,insoluble fibrils,amyloid oligomers,and soluble amyloid-beta protofibrils,which are known to be especially damaging to neurons,with high accuracy.

关键词： Alzheimer amyloid Therapeutic

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Device-measured physical activity and sedentary time in the Nordic countries:A scoping review of population-based studies

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Journal of Sport and health Science 2024年第5期13卷 650-660页

作者： Ing-Mari Dohrn Jakob Tarp Jostein Steene-Johannessen Tommi Vasankari Maria Hagströmer Division of Physiotherapy Department of NeurobiologyCare Sciences and SocietyKarolinska Institutet14183 HuddingeSweden department of Sports Medicine Norwegian School of Sports Sciences0806 OsloNorway UKK Institute for health Promotion Research 33500 TampereFinland Faculty of Medicine and health Technology Tampere University33100 TampereFinland Academic primary health care Centre Region Stockholm13365 StockholmSweden

Purpose:The purpose of this scoping review was to summarize and describe the methodology and results from population-based studies of physical activity and sedentary time measured with devices in the Nordic countries(Denmark,Finland,Iceland,Norway,and Sweden)and published in 2000 or later.Methods:A systematic search was carried out in PubMed and Web of Science in June 2023 using predefined search terms.Results:Fourteen unique research projects or surveillance studies were identified.Additionally,2 surveillance studies published by national agencies were included,resulting in a total of 16 studies for inclusion.National surveillance systems exist in Finland and Norway,with regular survey waves in school-aged children/adolescents and adults.In Denmark,recent nationally representative data have been collected in school children only.So far,Sweden has no regular national surveillance system using device-based data collection.No studies were found from Iceland.The first study was conducted in 2001 and the most recent in 2022,with most data collected from 2016 to date.Five studies included children/adole scents 6-18 years,no study included preschoolers.In total 11 studies included adults,of which 8 also covered older adults.No study focused specifically on older adults.The analytical sample size ranged from 205 to 27,890.Detailed methodology is presented,such as information on sampling strategy,device type and placement,wear protocols,and physical activity classification schemes.Levels of physical activity and sedentary time in children/adolescents,adults,and older adults across the Nordic countries are presented.Conclusion:A growing implementation of device-based population surveillance of physical activity and sedentary behavior in the Nordic countries has been identified.The variety of devices,placement,and data procedures both within and between the Nordic countries highlights the challenges when it comes to comparing study outcomes as well as the need for more standardized data collection.

关键词： Accelerometer Light intensity Moderate-vigorous intensity Surveillance Wearable devices

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Applying Machine Learning Approach to Explore Childhood Circumstances and Self-Rated health in Old Age-China and the US,2020-2021

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China CDC weekly 2024年第11期6卷 213-218,I0008-I0013页

作者： Shutong Huo Derek Feng Thomas M.Gill Xi Chen department of health Society&BehaviorPublic HealthUniversity of CaliforniaIrvineCAUSA department of Statistics and Data Science Yale UniversityNew HavenCTUS department of Internal Medicine Yale School of MedicineNew HavenCTUS department of health Policy and Management Yale School of Public HealthNew HavenCTUS department of Economics Yale UniversityNew HavenCTUS.

Introduction:Childhood circumstances impact senior health,prompting the introduction of machine learning methods to assess their individual and collective contributions to senior health.Methods:Using health and retirement study(HRS)and China health and Retirement Longitudinal Study(CHARLS),we analyzed 2,434 American and 5,612 Chinese participants aged 60 and above.Conditional inference trees and forests were employed to estimate the influence of childhood circumstances on self-rated health(SRH).Results:The conventional method estimated higher inequality of opportunity(IOP)values in both China(0.039,accounting for 22.67%of the total Gini coefficient 0.172)and the US(0.067,accounting for 35.08%of the total Gini coefficient 0.191).In contrast,the conditional inference tree yielded lower estimates(China:0.022,accounting for 12.79%of 0.172;US:0.044,accounting for 23.04%of 0.191),as did the forest(China:0.035,accounting for 20.35%of 0.172;US:0.054,accounting for 28.27%of 0.191).Childhood health,financial status,and regional differences were key determinants of senior health.The conditional inference forest consistently outperformed others in predictive accuracy,as demonstrated by lower out-of-sample mean squared error(MSE).Discussion:The findings emphasize the need for early-life interventions to promote health equity in aging populations.Machine learning showcases the potential in identifying contributing factors.

关键词： collective inequality estimates

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