Longitudinal and Cohort Studies in Public Health

Articles published in 2026 in this theme: 24 (scroll down to load remaining articles)

2026

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Gestational Hypertension as a Mediator of Prenatal Ozone Exposure and Term Low Birth Weight: Birth Cohort Study

Yuxin Zhang, Quanjun Liu, Mengwei Song, Qiulin Huang, Qingbo Zhao, Qingqing Tao, Chenchen Zhang, Qin Li, Qing Wang

JMIR Public Health Surveill 2026 (Apr 08); 12:e81412

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Exploring the Role of Dairy Consumption on the Growth and Development of Canadian Children: Protocol for a Longitudinal Mixed Method Research

Karim Karbin, Mojtaba Shafiee, Zoe L Longworth, Adam Baxter-Jones, Marta C Erlandson, Ginny Lane, Ling-Ling Tsao, Walter L Siqueira, Hassan Vatanparast

JMIR Res Protoc 2026 (Apr 08); 15:e87415

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Impact and Economic Evaluation of the Patient-Provider Support Agency Model Under India’s National Tuberculosis Elimination Program: Protocol for a Cohort Study

Nikita Raula, Ingeborg Maria van der Putten, Nicole H T M Dukers-Muijrers, Shankar Dapkekar, Priyakanta Nayak, Silvia M A A Evers

JMIR Res Protoc 2026 (Apr 06); 15:e76302

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Association Between Depressive Symptoms and Incidence of Stroke in a Population With Cardiovascular-Kidney-Metabolic Syndrome Stages 0 to 3: Nationwide Prospective Cohort Study

Yunjie Li, Lin Wang, Lujing Gao

Interact J Med Res 2026 (Apr 01); 15:e80988

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Determining the Association Between Hearing Disability and Injury Risk in Older Adults Using Propensity Score Matching: Quasi-Experimental Study

Woo-Ri Lee, Sungyoun Chun, Youyoung An, Hyun Seung Choi

JMIR Public Health Surveill 2026 (Mar 27); 12:e78826

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Real-Time and Long-Term Effects of Medical Marijuana on Older Adults: Protocol for a Prospective Cohort Study

Kendall R Robinson, Stella D Seeger, Lauren Nave, Marlin Mejia, Maria Vander Meulen, Ahmed Rashid, Angela M Mickle, Kimberly T Sibille, Zhigang Li, Rene Przkora, Siegfried Schmidt, Margaret C Lo, Robert L Cook, Yan Wang

JMIR Res Protoc 2026 (Mar 24); 15:e78900

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Differential Factors Associated With the Presence of Persistent Symptoms in Individuals Diagnosed With Long COVID: Protocol for a Longitudinal Matched Case-Control Study

David Lerma-Irureta, Fátima Méndez-López, Elena Navarro-Matías, Diego Lerma-Puertas, Rosa Magallón-Botaya

JMIR Res Protoc 2026 (Mar 24); 15:e67133

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Factors Influencing the Transition From Physiological Hyperopia to Myopia in Children: Protocol for a Prospective Nested Case-Control Study

Huaying Xu, Jianing Pu, Shimeng Bian, Xuejing Mi, Zhen Zhou, Wei Chen, Yonghong Jiao

JMIR Res Protoc 2026 (Mar 24); 15:e84888

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Trends in Internet Infrastructure Development and Online Health Use in China: 10-Year Descriptive Longitudinal Study

Chaoqun Wu, Yan Qiu

JMIR Form Res 2026 (Mar 23); 10:e86714

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Longitudinal Analysis of Variations in Daily Step Counts and Long-Term Implications of COVID-19 Waves and Restriction Phases in Qatar’s Step Into Health Program: Mixed Methods Study

Lina Majed, Suzan Sayegh, Feriel Dalansi, Abdulla Saeed Al-Mohannadi, Marco Cardinale, Abdulaziz Farooq

JMIR Public Health Surveill 2026 (Mar 23); 12:e76860

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Factors Associated With Loss to Follow-Up Among People Living With HIV in a National Tertiary Care Hospital: Protocol and Baseline Analysis of a Prospective Cohort Study

Luis Eduardo Del Moral Trinidad, Jaime Federico Andrade Villanueva, Luis Alberto Ruíz Mora, Carlos Valentino García y Nuño, Maria Fernanda Perez Quintero, Brian Eduardo Apodaca Escalante, Jocelyn Graciela Torres Arias, Juan Pablo Martínez Herrera, Melva Guadalupe Herrera Godina, Luz Alicia González Hernández

JMIR Res Protoc 2026 (Mar 18); 15:e76470

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Identifying Undiagnosed High-Risk Suicidality Cases by Matching Patients With a Similar Comorbidity Burden: Retrospective Observational Study

Louisa Bode, Rena Xu, Matthew Garber, Kenneth D Mandl, Andrew J Mcmurry

JMIR Form Res 2026 (Mar 12); 10:e81499

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Predicting Geriatric Rehabilitation Stays of ≤4 Weeks After Hip Fracture Surgery: Machine Learning Approach Using Physical Activity and Patient Data

Sanne M Krakers, Frank J Wouda, Dieuwke van Dartel, Miriam MR Vollenbroek-Hutten, Johannes H Hegeman, Up&Go After a Hip Fracture Group

JMIR Rehabil Assist Technol 2026 (Feb 23); 13:e79331

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Analysis of Associated Factors and Construction of Risk Prediction Models for Frailty in Hospitalized Older Adults Living With HIV: Protocol for a Prospective Observational Study

Fan Li, Chaoying Xie, Fang Xiang

JMIR Res Protoc 2026 (Feb 19); 15:e84271

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Effectiveness and Cost-Effectiveness of Emergency Department–Based Violence Intervention Programs in the United Kingdom: Protocol for a Quasi-Experimental Study

Simon Moore, Sinead Brophy, Amrita Bandyopadhyay, Annemarie Newbury, Megan Hamilton, Adele Battaglia, Trudy Lowe, David O'Reilly, David Rawlinson, Lara Snowdon, Jonathan Shepherd, Vaseekaran Sivarajasingam, Alan Watkins, Simon Walker, Shainur Premji, Sophie Borgia, Henry Yeomans

JMIR Res Protoc 2026 (Feb 18); 15:e86247

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Migration Effects on Cognition: Protocol for the Aging in Kerala Americans Research Study

Kelly Cotton, Dristi Adhikari, Anne Felicia Ambrose, Emmeline Ayers, Helena M Blumen, Mirnova E Ceïde, VG Pradeep Kumar, Mairim Melecio-Vazquez, Sanish Sathyan, Alben Sigamani, Kavita Sivaramakrishnan, Marnina Stimmel, Erica F Weiss, Jie Yang, Joe Verghese

JMIR Res Protoc 2026 (Feb 13); 15:e85493

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Early-Life Exposures, Neurodevelopment, and Health Outcomes: Protocol for a Birth Cohort Study

Tor A Strand, Maria Averina, Kjersti Sletten Bakken, Sudha Basnet, Yvonne Böttcher, Sandra Huber, Mari Hysing, Ingrid Kvestad, Torben Lüders, Adrian McCann, Dhiraj Pokhrel, Suman Ranjitkar, Arun K Sharma, Merina Shrestha, Manjeswori Ulak, Ram K Chandyo

JMIR Res Protoc 2026 (Feb 11); 15:e78593

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Postpandemic Change in Demographic and Clinical Features of Patients With Omicron Who Were Hospitalized: Territory-Wide Retrospective Repeated Cross-Sectional Study in Hong Kong

Christie J Y Ching, Sunny C L Chan, Teddy T L Lee, Hugo H H Pui, Bosco K H Leung, Man Sing Wong, Tafu Yamamoto, Chak Kwan Tong, Cantian Wang, Timothy H Rainer, Abraham K C Wai

JMIR Public Health Surveill 2026 (Feb 09); 12:e75635

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Establish a PrEP (Pre-Exposure Prophylaxis) Epidemiology, Modeling, and Surveillance (PREMISE) System to Analyze Trends in PrEP Uptake and the Impact of PrEP Programs and Policies: Protocol for a Natural Experiment and Modeling Study in the United States

Aaron J Siegler, Shi Hao Ernest Koh, Wenting Huang, Eric Hall, Jeb Jones, Courtney R Yarbrough, Xiao Zang, Bohdan Nosyk, Edwin E Corbin-Gutierrez, Patrick S Sullivan

JMIR Res Protoc 2026 (Jan 30); 15:e80911

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An Integrated Multilevel Mental Health Support System for University Students: 4-Year Longitudinal Observational Study

Szilvia Vincze, Antal Bugán, Karolina Kósa, Zoltán Bács

JMIR Form Res 2026 (Jan 26); 10:e67089

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