Longitudinal and Cohort Studies in Public Health

Directly Observed Therapy to Measure Adherence to Tuberculosis Medication in Observational Research: Protocol for a Prospective Cohort Study

Elizabeth J Ragan, Christopher J Gill, Matthew Banos, Tara C Bouton, Jennifer Rooney, Charles R Horsburgh, Robin M Warren, Bronwyn Myers, Karen R Jacobson

JMIR Res Protoc 2021 (Jun 16); 10(6):e24510

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Clustering of Unhealthy Behaviors: Protocol for a Multiple Behavior Analysis of Data From the Canadian Longitudinal Study on Aging

Zack van Allen, Simon L Bacon, Paquito Bernard, Heather Brown, Sophie Desroches, Monika Kastner, Kim Lavoie, Marta Marques, Nicola McCleary, Sharon Straus, Monica Taljaard, Kednapa Thavorn, Jennifer R Tomasone, Justin Presseau

JMIR Res Protoc 2021 (Jun 11); 10(6):e24887

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The Development of a Digital Patient-Reported Outcome Measurement for Adults With Chronic Disease (The Parsley Symptom Index): Prospective Cohort Study

Hants Williams, Sarah Steinberg, Robin Berzin

JMIR Form Res 2021 (Jun 11); 5(6):e29122

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Displayed Depression Symptoms on Facebook at Two Time Points: Content Analysis

Megan A Moreno, Quintin Gaus, Megan Wilt, Alina Arseniev-Koehler, Adrienne Ton, Molly Adrian, Ann VanderStoep

JMIR Form Res 2021 (May 31); 5(5):e20179

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The United States Chronic Thromboembolic Pulmonary Hypertension Registry: Protocol for a Prospective, Longitudinal Study

Kim M Kerr, C Greg Elliott, Raymond L Benza, Richard N Channick, Kelly M Chin, R Duane Davis, Sonia Jain, Andrea Z LaCroix, Michael M Madani, Vallerie V McLaughlin, Myung H Park, Victor F Tapson, William R Auger

JMIR Res Protoc 2021 (May 25); 10(5):e25397

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Allostatic Stress and Inflammatory Biomarkers in Transgender and Gender Expansive Youth: Protocol for a Pilot Cohort Study

Mara Cohen, Baer Karrington, Howard Trachtman, Caroline Salas-Humara

JMIR Res Protoc 2021 (May 19); 10(5):e24100

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Cognitive Outcomes During COVID-19 Confinement Among Older People and Their Caregivers Using Technologies for Dementia: Protocol for an Observational Cohort Study

Jessica Marian Goodman-Casanova, Elena Dura-Perez, Gloria Guerrero-Pertiñez, Pilar Barnestein-Fonseca, Jose Guzman-Parra, Amanda Vega-Nuñez, Esperanza Varela-Moreno, Antonio Cuesta-Vargas, Fermin Mayoral-Cleries

JMIR Res Protoc 2021 (May 18); 10(5):e26431

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Maximizing Participant Engagement, Participation, and Retention in Cohort Studies Using Digital Methods: Rapid Review to Inform the Next Generation of Very Large Birth Cohorts

Joanna Nkyekyer, Susan A Clifford, Fiona K Mensah, Yichao Wang, Lauren Chiu, Melissa Wake

J Med Internet Res 2021 (May 14); 23(5):e23499

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Individual Differences and Features of Self-reported Memory Lapses as Risk Factors for Alzheimer Disease Among Adults Aged 50 Years and Older: Protocol for a Coordinated Analysis Across Two Longitudinal Data Sets

Jacqueline Mogle, Nikki L Hill, Jennifer R Turner

JMIR Res Protoc 2021 (May 14); 10(5):e25233

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Protective Behaviors and Secondary Harms Resulting From Nonpharmaceutical Interventions During the COVID-19 Epidemic in South Africa: Multisite, Prospective Longitudinal Study

Guy Harling, Francesc Xavier Gómez-Olivé, Joseph Tlouyamma, Tinofa Mutevedzi, Chodziwadziwa Whiteson Kabudula, Ruth Mahlako, Urisha Singh, Daniel Ohene-Kwofie, Rose Buckland, Pedzisai Ndagurwa, Dickman Gareta, Resign Gunda, Thobeka Mngomezulu, Siyabonga Nxumalo, Emily B Wong, Kathleen Kahn, Mark J Siedner, Eric Maimela, Stephen Tollman, Mark Collinson, Kobus Herbst

JMIR Public Health Surveill 2021 (May 13); 7(5):e26073

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Relevance of Anthropometric Measurements in a Multiethnic Obesity Cohort: Observational Study

Rahila Bhatti, Usama Warshow, Mona Joumaa, Mariam ElSaban, Faisal A Nawaz, Amar Hassan Khamis

Interact J Med Res 2021 (May 13); 10(2):e27784

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Transforming a Patient Registry Into a Customized Data Set for the Advanced Statistical Analysis of Health Risk Factors and for Medication-Related Hospitalization Research: Retrospective Hospital Patient Registry Study

Zhivko Taushanov, Henk Verloo, Boris Wernli, Saviana Di Giovanni, Armin von Gunten, Filipa Pereira

JMIR Med Inform 2021 (May 11); 9(5):e24205

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SARS-CoV-2 Surveillance System in Canada: Longitudinal Trend Analysis

Lori Post, Michael J Boctor, Tariq Z Issa, Charles B Moss, Robert Leo Murphy, Chad J Achenbach, Michael G Ison, Danielle Resnick, Lauren Singh, Janine White, Sarah B Welch, James F Oehmke

JMIR Public Health Surveill 2021 (May 10); 7(5):e25753

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Influence of Stress, Gender, and Minority Status on Cardiovascular Disease Risk in the Hispanic/Latino Community: Protocol for a Longitudinal Observational Cohort Study

Tonia Poteat, Linda C Gallo, Audrey Harkness, Carmen R Isasi, Phoenix Matthews, Neil Schneiderman, Bharat Thyagarajan, Martha L Daviglus, Daniela Sotres-Alvarez, Krista M Perreira

JMIR Res Protoc 2021 (May 06); 10(5):e28997

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Counselor Efficiency at Providing Feedback in a Technology-Based Behavioral Weight Loss Intervention: Longitudinal Analysis

Margaret C Fahey, Robert C Klesges, Mehmet Kocak, Leslie A Gladney, Gerald W Talcott, Rebecca A Krukowski

JMIR Form Res 2021 (May 05); 5(5):e23974

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SARS-CoV-2 Infection in Health Care Personnel and Their Household Contacts at a Tertiary Academic Medical Center: Protocol for a Longitudinal Cohort Study

Emily J Ciccone, Paul N Zivich, Evans K Lodge, Deanna Zhu, Elle Law, Elyse Miller, Jasmine L Taylor, Suemin Chung, Jason Xu, Alexander Volfovsky, Cherese Beatty, Haley Abernathy, Elise King, Haley E Garrett, Alena J Markmann, Meghan E Rebuli, Subhashini Sellers, David J Weber, Raquel Reyes, Naseem Alavian, Jonathan J Juliano, Ross M Boyce, Allison E Aiello

JMIR Res Protoc 2021 (Apr 30); 10(4):e25410

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Protocol for the Pregnancy During the COVID-19 Pandemic (PdP) Study: A Longitudinal Cohort Study of Mental Health Among Pregnant Canadians During the COVID-19 Pandemic and Developmental Outcomes in Their Children

Gerald F Giesbrecht, Mercedes Bagshawe, Melinda van Sloten, Anna L MacKinnon, Ashley Dhillon, Marcel van de Wouw, Elnaz Vaghef-Mehrabany, Laura Rojas, Danielle Cattani, Catherine Lebel, Lianne Tomfohr-Madsen

JMIR Res Protoc 2021 (Apr 28); 10(4):e25407

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Latin America and the Caribbean SARS-CoV-2 Surveillance: Longitudinal Trend Analysis

Lori Post, Ramael O Ohiomoba, Ashley Maras, Sean J Watts, Charles B Moss, Robert Leo Murphy, Michael G Ison, Chad J Achenbach, Danielle Resnick, Lauren Nadya Singh, Janine White, Azraa S Chaudhury, Michael J Boctor, Sarah B Welch, James Francis Oehmke

JMIR Public Health Surveill 2021 (Apr 27); 7(4):e25728

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Digital Epidemiologic Research on Multilevel Risks for HIV Acquisition and Other Health Outcomes Among Transgender Women in Eastern and Southern United States: Protocol for an Online Cohort

Andrea L Wirtz, Erin E Cooney, Megan Stevenson, Asa Radix, Tonia Poteat, Andrew J Wawrzyniak, Christopher M Cannon, Jason S Schneider, J Sonya Haw, James Case, Keri N Althoff, Elizabeth Humes, Kenneth H Mayer, Chris Beyrer, Allan E Rodriguez, Sari L Reisner, American Cohort To Study HIV Acquisition Among Transgender Women (LITE) Study Group

JMIR Res Protoc 2021 (Apr 26); 10(4):e29152

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Pregnancy Outcomes and Child Development Effects of SARS-CoV-2 Infection (PROUDEST Trial): Protocol for a Multicenter, Prospective Cohort Study

Geraldo Magela Fernandes, Felipe Motta, Lizandra Moura Paravidine Sasaki, Ângelo Pereira Da Silva, Andreza Monforte Miranda, Aleida Oliveira De Carvalho, Ana Paula Monteiro Gomides, Alexandre Anderson De Sousa Munhoz Soares, Agenor De Castro Moreira Dos Santos Jr, Caroline De Oliveira Alves, Ciro Martins Gomes, Clara Correia De Siracusa, David Alves De Araújo Jr, Dayde Lane Mendonça-Silva, José Alfredo Lacerda De Jesus, Karina Nascimento Costa, Maria Eduarda Canellas De Castro, Patricia Shu Kurizky, Paulo Sérgio França, Rosana Tristão, Yacara Ribeiro Pereira, Luiz Claudio Gonçalves De Castro, Alberto Moreno Zaconeta, Cleandro Pires De Albuquerque, Licia Maria Henrique Da Mota

JMIR Res Protoc 2021 (Apr 20); 10(4):e26477

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