Longitudinal and Cohort Studies in Public Health

Policy Spotlight Effects on Critical Time-Sensitive Diseases: Nationwide Retrospective Cohort Study on Taiwan’s Hospital Emergency Capability Categorization Policy

Chih-Yuan Lin, Chih-Ching Liu, Yu-Tung Huang, Yue-Chune Lee

Interact J Med Res 2025 (Mar 25); 14:e54651

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Adolescent Cyberbullying and Cyber Victimization: Longitudinal Study Before and During COVID-19

Peter Johannes Schulz, Marc-Olivier Boldi, Ann van Ackere

J Med Internet Res 2025 (Mar 25); 27:e70508

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Edentulousness and the Likelihood of Becoming a Centenarian: Longitudinal Observational Study

Xindi Wei, Longfei Zhuang, Yuan Li, Junyu Shi, Yijie Yang, Hongchang Lai, Beilei Liu

JMIR Aging 2025 (Mar 21); 8:e68444

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Identifying Data-Driven Clinical Subgroups for Cervical Cancer Prevention With Machine Learning: Population-Based, External, and Diagnostic Validation Study

Zhen Lu, Binhua Dong, Hongning Cai, Tian Tian, Junfeng Wang, Leiwen Fu, Bingyi Wang, Weijie Zhang, Shaomei Lin, Xunyuan Tuo, Juntao Wang, Tianjie Yang, Xinxin Huang, Zheng Zheng, Huifeng Xue, Shuxia Xu, Siyang Liu, Pengming Sun, Huachun Zou

JMIR Public Health Surveill 2025 (Mar 19); 11:e67840

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Long-Term Engagement of Diverse Study Cohorts in Decentralized Research: Longitudinal Analysis of “All of Us” Research Program Data

Vijay Yadav, Elias Chaibub Neto, Megan Doerr, Abhishek Pratap, Larsson Omberg

Interact J Med Res 2025 (Mar 19); 14:e56803

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HIV Incidence and Associated Risk Factors Among Young Men Who Have Sex With Men in Tianjin, China: Retrospective Cohort Study

Yan Guo, Hui Gong, Xiangyu Yan, Xinying Zhang, Tielin Ning, Zhongquan Liu, Long Li, Jie Yang, Liu Li, Changxu Ma, Zhuang Cui, Maohe Yu

JMIR Public Health Surveill 2025 (Mar 19); 11:e66487

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Measuring Mental Health in 2 Brazilian University Centers: Protocol for a Cohort Survey

Talita Di Santi, Ariana Gomes Nascimento, Pedro Fukuti, Vinnie Marchisio, Gian Carlo Araujo do Amaral, Camille Figueiredo Peternella Vaz, Luiz David Finotti Carrijo, Lilian Cristie de Oliveira, Luiz Octávio da Costa, Elisângela Mancini Marion Konieczniak, Luana Aparecida Zuppi Garcia, Vanessa Cristina Cabrelon Jusevicius, Eduardo de Castro Humes, Paulo Rossi Menezes, Euripedes Miguel, Arthur Caye

JMIR Res Protoc 2025 (Mar 14); 14:e63636

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Longitudinal Associations Between Adolescents’ mHealth App Use, Body Dissatisfaction, and Physical Self-Worth: Random Intercept Cross-Lagged Panel Study

Hayriye Gulec, Michal Muzik, David Smahel, Lenka Dedkova

JMIR Ment Health 2025 (Mar 11); 12:e60844

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Investigating the Association Between Mean Arterial Pressure on 28-Day Mortality Risk in Patients With Sepsis: Retrospective Cohort Study Based on the MIMIC-IV Database

Qimin Chen, Wei Li, Ying Wang, Xianjun Chen, Dehua He, Ming Liu, Jia Yuan, Chuan Xiao, Qing Li, Lu Chen, Feng Shen

Interact J Med Res 2025 (Mar 05); 14:e63291

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Exploring Psychological Trends in Populations With Chronic Obstructive Pulmonary Disease During COVID-19 and Beyond: Large-Scale Longitudinal Twitter Mining Study

Chunyan Zhang, Ting Wang, Caixia Dong, Duwei Dai, Linyun Zhou, Zongfang Li, Songhua Xu

J Med Internet Res 2025 (Mar 05); 27:e54543

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Investigating the Trajectories of Poor Vision in Children and Adolescents in Wuhan, China From 2016 to 2019: Prospective Cohort Study

Lijuan Xu, Hanjia Li, Fang Li, Tinghui Zhang, Jingyan Yan, Hong Yan, Lu He, Bin Yu

JMIR Public Health Surveill 2025 (Feb 18); 11:e53028

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Mental Health Changes in US Transgender Adults Beginning Hormone Therapy Via Telehealth: Longitudinal Cohort Study

Jae Downing Corman, Jaclyn M W Hughto, Theresa I Shireman, Kellan Baker, Kate Steinle, Michelle Forcier

J Med Internet Res 2025 (Feb 14); 27:e64017

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Subtyping Social Determinants of Health in the "All of Us" Program: Network Analysis and Visualization Study

Suresh K Bhavnani, Weibin Zhang, Daniel Bao, Mukaila Raji, Veronica Ajewole, Rodney Hunter, Yong-Fang Kuo, Susanne Schmidt, Monique R Pappadis, Elise Smith, Alex Bokov, Timothy Reistetter, Shyam Visweswaran, Brian Downer

J Med Internet Res 2025 (Feb 11); 27:e48775

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Incidence of Deliberate Self-Harm in Hong Kong Before and During the COVID-19 Pandemic: Population-Wide Retrospective Cohort Study

Luke Y F Luk, Christie J Y Ching, Tsz Fung Yip, Sunny C L Chan, Catherine Y T Lam, Elizabeth T C Lam, Serena R B Yue, Hoi Ching Pang, Janet Y H Wong, Carlos K H Wong, Chak Kwan Tong, Tafu Yamamoto, Timothy H Rainer, Abraham K C Wai, Joshua W K Ho

JMIR Public Health Surveill 2025 (Feb 10); 11:e57500

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Understanding the Association Between Home Broadband Connection and Well-Being Among Middle-Aged and Older Adults in China: Nationally Representative Panel Data Study

Lu Yang, Chris Lynch, John Tayu Lee, Brian Oldenburg, Tilahun Haregu

J Med Internet Res 2025 (Feb 10); 27:e59023

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Impact of the National Essential Public Health Service Package on Blood Pressure Control in Chinese People With Hypertension: Retrospective Population-Based Longitudinal Study

Feiran Wei, You Ge, Han Li, Yuan Liu

JMIR Public Health Surveill 2025 (Feb 06); 11:e65783

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Impact of Internet Usage on Depression Among Older Adults: Comprehensive Study

Lin Guo, Yunwei Li, Kai Cheng, Ying Zhao, Wenqiang Yin, Ying Liu

J Med Internet Res 2025 (Jan 31); 27:e65399

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Long-Term Impact of Using Mobile Phones and Playing Computer Games on the Brain Structure and the Risk of Neurodegenerative Diseases: Large Population-Based Study

Yi Xiao, Sirui Zhang, Yuanzheng Ma, Shichan Wang, Chunyu Li, Yan Liang, Huifang Shang

J Med Internet Res 2025 (Jan 28); 27:e59663

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Association of Frailty Index at 66 Years of Age with Health Care Costs and Utilization Over 10 Years in Korea: Retrospective Cohort Study

Jieun Jang, Anna Kim, Mingee Choi, Ellen P McCarthy, Brianne Olivieri-Mui, Chan Mi Park, Jae-Hyun Kim, Jaeyong Shin, Dae Hyun Kim

JMIR Public Health Surveill 2025 (Jan 27); 11:e50026

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Assessing the Impact of Distance Traveled and Birth Volumes of Hospital Maternity Units on Newborn Outcomes: Population-Based Cohort Study

Anna Cantarutti, Riccardo Boracchini, Roberto Bellù, Raffaella Ronco, Federico Rea, Anna Locatelli, Rinaldo Zanini, Giovanni Corrao

JMIR Public Health Surveill 2025 (Jan 21); 11:e58944

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