Showing 361 - 380 results of 626 for search '"Longitudinal study"', query time: 0.08s Refine Results
  1. 361

    Antiviral Treatment Alters the Frequency of Activating and Inhibitory Receptor-Expressing Natural Killer Cells in Chronic Hepatitis B Virus Infected Patients by Juan Lv, Qinglong Jin, Haibo Sun, Xiumei Chi, Xiaoli Hu, Hongqing Yan, Yu Pan, Weihua Xiao, Zhigang Tian, Jinlin Hou, Damo Xu, Zhengkun Tu, Junqi Niu

    Published 2012-01-01
    “…To this aim, we performed this longitudinal study to examine the dynamic changes of the frequency of different subsets of NK cells in CHB patients after initiation of tenofovir or adefovir therapy. …”
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  2. 362

    The Association Between Posting WeChat Moments and the Risk of Depressive Symptoms Among Middle-Aged and Older Chinese Adults: Prospective National Cohort Study by Wei Wang, Hui Wang, Xinru Hu, Qian Yu, Fangyi Chen, Xirui Qiu, Xiaoxiao Wang

    Published 2025-01-01
    “…MethodsA prospective national cohort study was designed based on the data obtained from the fourth and fifth waves of the China Health and Retirement Longitudinal Study (CHARLS). The strength of association between using WeChat and posting WeChat moments and the risk of depressive symptoms was estimated by modified Poisson regressions. …”
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  3. 363

    Influence of COVID-19 Lockdown on Self-Efficacy in Endodontics among Dental Students by Jelena Vidas Hrstić, Ema Paljević, Ivana Brekalo Pršo, Ivana Vidović Zdrilić, Luka Šimunović, Elvis Božac, Romana Peršić Bukmir

    Published 2024-01-01
    “…Materials and Methods: The Endodontic General Self-Efficacy Scale was used. Data for this longitudinal study were obtained from two generations of students who have completed the same three self-efficacy questionnaires at the end of each academic year over a three-year period. …”
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  4. 364

    The relationship between sarcopenia and mental health status in Chinese older adults: the mediating role of activities of daily living by Huaiju Ge, Shilan Yang, Wenyu Su, Weimin Guan, Shihong Dong, Wenjing Chang, Huiyu Jia, Shan Jiang, Di Qin, Guifeng Ma

    Published 2025-01-01
    “…Methods This study used data from the 2015 and 2018 China Health and Retirement Longitudinal Study, including a total of 3,552 older adults aged 60 and above. …”
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  5. 365

    Trajectories of asthma symptom presenting as wheezing and their associations with family environmental factors among children in Australia: evidence from a national birth cohort st... by Peter D Sly, Md Jobayer Chisti, Abdullah Mamun, K M Shahunja

    Published 2022-06-01
    “…We aimed to assess the trajectories of asthma symptom and their associations with several family environmental factors during the childhood period in Australia.Design Secondary analysis from a cross-sequential cohort study.Setting Nationwide representative data from the ‘Longitudinal Study of Australian Children (LSAC)’.Participants Participants from the LSAC birth cohort.Outcome measures Asthma symptom trajectory groups.Methods Asthma symptom presenting as wheezing, family environmental factors and sociodemographic data (2004–2018) were obtained from the LSAC. …”
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  6. 366

    Childhood neurodivergent traits, inflammation and chronic disabling fatigue in adolescence: a longitudinal case–control study by Neil A Harrison, Hugo D Critchley, Jessica Eccles, Kevin A Davies, Lisa Quadt, Rod Bond, Jenny Csecs

    Published 2024-07-01
    “…Objectives To test whether inflammatory processes link the expression of childhood neurodivergent traits to chronic disabling fatigue in adolescence.Design Longitudinal case–control study.Setting We analysed data from The Avon Longitudinal Study of Parents and Children (ALSPAC).Participants 8115 and 8036 children of the ALSPAC cohort at ages 7 and 9 years, respectively, 4563 of whom also completed self-report measures at age 18 years.Primary and secondary outcome measures We assessed if children scoring above screening threshold for autism/attention deficit hyperactivity disorder (ADHD) at ages 7 and 9 years had increased risk of chronic disabling fatigue at age 18 years, computing ORs and CIs for effects using binary logistic regression. …”
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  7. 367

    Association between Chinese visceral adiposity index and lower urinary tract symptoms suggestive of benign prostatic hyperplasia (LUTS/BPH): a national cohort study by Kunhui Chang, Bo Li, Gang Wang, Hao Zhou, Yonghao Chen, Hongbing Gu

    Published 2025-01-01
    “…Methods Data from the China Health and Retirement Longitudinal Study (CHARLS) 2015 were analyzed, encompassing a sample of 5,735 male participants aged 45 and older. …”
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  8. 368

    Effect of healthy lifestyle score trajectory on all-cause mortality in the late middle-aged and older population: Finding from 17-year retrospective cohort study by Jeong Min Yang, Jieun Hwang

    Published 2025-02-01
    “…Methods: After excluding missing values, data from 6249 participants were analyzed using the group-based trajectory model (GBTM) to classify HLST, based on the first to fourth waves of the Korean Longitudinal Study of Aging (KLoSA). The chi-square test and Cox proportional hazards model were employed to examine the association between HLST and all-cause mortality over a 10-year follow-up period (December 31, 2012, to December 31, 2022; 3650 days). …”
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  9. 369

    Macular Pigment Optical Density in Chinese Primary Open Angle Glaucoma Using the One-Wavelength Reflectometry Method by Yuying Ji, Chengguo Zuo, Mingkai Lin, Xiongze Zhang, Miaoling Li, Lan Mi, Bing Liu, Feng Wen

    Published 2016-01-01
    “…Whether the observed lower MPOD in POAG contributes to the disease process or is secondary to pathological changes caused by the disease (such as loss of ganglion cells) warrants further and longitudinal study.…”
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  10. 370

    Association of chronic stress during studies with depressive symptoms 10 years later by Tobias Weinmann, Razan Wibowo, Felix Forster, Jessica Gerlich, Laura Wengenroth, Gudrun Weinmayr, Jon Genuneit, Dennis Nowak, Christian Vogelberg, Katja Radon, Britta Herbig

    Published 2025-01-01
    “…We analysed data from two waves of the longitudinal Study on Occupational Allergy Risks. Using the ‘work overload’ and ‘proving oneself’ scales of the Trier Inventory for Chronic Stress and the Patient Health Questionnaire-2 (PHQ-2), participants reported chronic stress during university (2007–2009, mean age 22.2 years, T1) and depressive symptoms ten years later (2017–2018, mean age 31.6 years, T2). …”
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  11. 371

    Artificial intelligence‐based body composition analysis using computed tomography images predicts both prevalence and incidence of diabetes mellitus by Yoo Hyung Kim, Ji Won Yoon, Bon Hyang Lee, Jeong Hee Yoon, Hun Jee Choe, Tae Jung Oh, Jeong Min Lee, Young Min Cho

    Published 2025-02-01
    “…Materials and Methods This was a cross‐sectional and 10‐year retrospective longitudinal study. The cross‐sectional analysis included health check‐up data of 15,330 subjects with abdominal computed tomography (CT) images between January 1, 2011, and September 30, 2012. …”
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  12. 372

    The association between digital technology use and depression among older people in China: a moderated mediation model by Qinmei Wu, Wei He, Jinfu Wang, Litao Du, Xiangli Xue, Qiang He, Yang Pan, Si Chen, Xianliang Zhang

    Published 2025-02-01
    “…ObjectiveTo investigate the association among multidimensional (Digital engagement, DE; Digital devices, DD; and Digital purpose, DP) digital technology use and depression in older Chinese, considering social participation as a mediator and physical activity level (PAL) as a moderator.MethodsData on 5,744 participants (aged≥60) were extracted from the China Health and Retirement Longitudinal Study 2020 dataset. Depression was assessed using the 10-item Center for Epidemiologic Studies Depression Scale. …”
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  13. 373

    Increased Corneal Toricity after Long-Term Orthokeratology Lens Wear by Zhi Chen, Jiaqi Zhou, Feng Xue, Xingtao Zhou, Xiaomei Qu

    Published 2018-01-01
    “…Corneal curvature data from a historical longitudinal study were used as control. Results. Compared to pre-ortho-k values, the corneal curvature became significantly flatter in the flatter meridian (−0.22 ± 0.27 D, P<0.001) and steeper in the steeper meridian (0.06 ± 0.34 D, P=0.032) after cessation of ortho-k lens wear, resulting in a significant increase in corneal toricity (0.28 ± 0.43 D, P<0.001), which is associated with an increase in refractive astigmatism (0.57 ± 0.57 D, r=0.465, P<0.001). …”
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  14. 374

    Relationship between TyG-related index and hearing loss in people over 45 s in China by Chao Wang, Mengdi Shi, Liangzhen Xie, Chenhao Jiang, Yunxin Li, Jingxiao Li, Shulin Li, Yan Li

    Published 2025-02-01
    “…This study investigates the association of the TyG index, BMI index, and TyG-BMI index with hearing loss, with a focus on their potential implications for the aging population.MethodsData from the China Health and Retirement Longitudinal Study (CHARLS) database were analyzed using R software. …”
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  15. 375

    Factors Associated With Missing Biological Samples in the Dog Aging Project by Sydney N. Holland, Amanda K. Tinkle, Jena N. Prescott, Brianna L. Blattman, Robyn L. McClelland, Yunbi Nam, Dog Aging Project Consortium, Kate E. Creevy, Virginia R. Fajt

    Published 2024-11-01
    “…ABSTRACT Background The Dog Aging Project (DAP) is a longitudinal study examining aging in US companion dogs, where missing data pose a challenge to result validity and statistical power. …”
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  16. 376

    Association of contraception use and pregnancy intention with perinatal depression risk among Omani mothers—a longitudinal cohort study by Atika Khalaf, Atika Khalaf, Nawal Al Amri, Pernilla Ny, Rebecca Mathew

    Published 2025-01-01
    “…This study aimed to investigate the association of contraception use and pregnancy intention with the risk of perinatal depression among Omani mothers.MethodsA prospective longitudinal study design was employed to investigate perinatal depression risk in mothers attending antenatal health care services in Oman. …”
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  17. 377

    Psychological distress in adolescence and later economic and health outcomes in the United States population: A retrospective and modeling study. by Nathaniel Z Counts, Noemi Kreif, Timothy B Creedon, David E Bloom

    Published 2025-01-01
    “…The cohort was from the National Longitudinal Study of Youth 1997 and nationally representative of those aged 12 to 18 years in 1997. …”
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  18. 378

    Disparity of serum uric acid threshold for CKD among hypertensive and non-hypertensive individuals by Bowen Zhu, Fang Li, Weidong Zhang, Shuan Zhao, Nana Song, Shi Jin, Ziyan Shen, Yufei Lu, Yang Li, Hong Liu

    Published 2024-12-01
    “…This study investigates the interactive effect of sUA and hypertension on CKD and identifies the optimal threshold of sUA among individuals with and without hypertension in the Chinese community population.Materials and methods The study included 4180 individuals aged 45–85 years, derived from the China Health and Retirement Longitudinal Study (CHARLS) between 2011 and 2015. Additionally, a hospital-based study enrolled subjects in the Department of Nephrology at Zhongshan Hospital, China from January 1, 2019, to December 31, 2021. …”
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  19. 379

    Digital libraries and World Wide Web sites and page persistence. by Wallace Koehler

    Published 1999-01-01
    “…Based on a 120-week longitudinal study of a sample of Web documents, it appears that the half-life of a Web page is somewhat less than two years and the half-life of a Web site is somewhat more than two years. …”
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  20. 380

    A lower atherogenic index of plasma was associated with a higher incidence of sarcopenia by Zhiping Duan, Yunda Huang, Xiaoling Liu, Huiyu Tang, Guihua Jiang, Wei Huang, Runfen Du, Dan Zhou, Hong Yang

    Published 2025-01-01
    “…This cohort study included 7,992 participants who were free of sarcopenia in 2011 in the China Health and Retirement Longitudinal Study and were followed up in 2013 and 2015. …”
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