Statistical Methods

Within- and Between-Individual Compliance in Mobile Health: Joint Modeling Approach to Nonrandom Missingness in an Intensive Longitudinal Observational Study

Young Won Cho, Sy-Miin Chow, Jixin Li, Wei-Lin Wang, Shirlene Wang, Linying Ji, Vernon M Chinchilli, Stephen S Intille, Genevieve Fridlund Dunton

JMIR Mhealth Uhealth 2025 (Oct 30); 13:e65350

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The PrEP Pharmacy Reach Study: Protocol for the Creation of Maps to Visualize the Impact of Expanding Access to HIV Prevention Services Through Pharmacies

Kristin R V Harrington, Chante Hamilton, Daniel I Alohan, Alexis Hudson, Henry N Young, Natalie D Crawford

JMIR Public Health Surveill 2025 (Oct 27); 11:e75077

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Bayesian Network Analysis of Intervention-Induced Physical Activity Behavior Change: Comparative Modeling Study Across Age, Education, and Activity Impairment Subgroups

Simone Catharina Maria Wilhelmina Tummers, Arjen Hommersom, Lilian Lechner, Roger Bemelmans, Catherine Adriana Wilhelmina Bolman

Online J Public Health Inform 2025 (Sep 03); 17:e57977

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Testing the Impact of Intensive, Longitudinal Sampling on Assessments of Statistical Power and Effect Size Within a Heterogeneous Human Population: Natural Experiment Using Change in Heart Rate on Weekends as a Surrogate Intervention

Severine Soltani, Varun K Viswanath, Patrick Kasl, Wendy Hartogensis, Stephan Dilchert, Frederick M Hecht, Ashley E Mason, Benjamin L Smarr

J Med Internet Res 2025 (May 21); 27:e60284

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Lessening Organ Dysfunction With Vitamin C (LOVIT) Trial: Statistical Analysis Plan

Neill KJ Adhikari, Ruxandra Pinto, Andrew G Day, Marie-Hélène Masse, Julie Ménard, Sheila Sprague, Djillali Annane, Yaseen M Arabi, Marie-Claude Battista, Dian Cohen, Deborah J Cook, Gordon H Guyatt, Daren K Heyland, Salmaan Kanji, Shay P McGuinness, Rachael L Parke, Bharath Kumar Tirupakuzhi Vijayaraghavan, Emmanuel Charbonney, Michaël Chassé, Lorenzo Del Sorbo, Demetrios James Kutsogiannis, François Lauzier, Rémi Leblanc, David M Maslove, Sangeeta Mehta, Armand Mekontso Dessap, Tina S Mele, Bram Rochwerg, Oleksa G Rewa, Jason Shahin, Pawel Twardowski, Paul Jeffrey Young, François Lamontagne, LOVIT Investigators

JMIR Res Protoc 2022 (May 20); 11(5):e36261

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Economic Burden of Chronic Obstructive Pulmonary Disease and Lung Cancer Between 2000 and 2015 in Saskatchewan: Study Protocol

Erika Dianne Penz, Benjamin John Fenton, Nianping Hu, Darcy Marciniuk

JMIR Res Protoc 2022 (Mar 04); 11(3):e31350

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Factors Associated With Behavioral and Psychological Symptoms of Dementia: Prospective Observational Study Using Actigraphy

Eunhee Cho, Sujin Kim, Sinwoo Hwang, Eunji Kwon, Seok-Jae Heo, Jun Hong Lee, Byoung Seok Ye, Bada Kang

J Med Internet Res 2021 (Oct 29); 23(10):e29001

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Understanding Uptake of Digital Health Products: Methodology Tutorial for a Discrete Choice Experiment Using the Bayesian Efficient Design

Dorothy Szinay, Rory Cameron, Felix Naughton, Jennifer A Whitty, Jamie Brown, Andy Jones

J Med Internet Res 2021 (Oct 11); 23(10):e32365

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Data Missing Not at Random in Mobile Health Research: Assessment of the Problem and a Case for Sensitivity Analyses

Simon B Goldberg, Daniel M Bolt, Richard J Davidson

J Med Internet Res 2021 (Jun 15); 23(6):e26749

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Automatable Distributed Regression Analysis of Vertically Partitioned Data Facilitated by PopMedNet: Feasibility and Enhancement Study

Qoua Her, Thomas Kent, Yuji Samizo, Aleksandra Slavkovic, Yury Vilk, Sengwee Toh

JMIR Med Inform 2021 (Apr 23); 9(4):e21459

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Predictors, Outcomes, and Statistical Solutions of Missing Cases in Web-Based Psychotherapy: Methodological Replication and Elaboration Study

Eyal Karin, Monique Frances Crane, Blake Farran Dear, Olav Nielssen, Gillian Ziona Heller, Rony Kayrouz, Nickolai Titov

JMIR Ment Health 2021 (Feb 05); 8(2):e22700

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A Privacy-Preserving Log-Rank Test for the Kaplan-Meier Estimator With Secure Multiparty Computation: Algorithm Development and Validation

Marcel von Maltitz, Hendrik Ballhausen, David Kaul, Daniel F Fleischmann, Maximilian Niyazi, Claus Belka, Georg Carle

JMIR Med Inform 2021 (Jan 18); 9(1):e22158

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Missing-Data Handling Methods for Lifelogs-Based Wellness Index Estimation: Comparative Analysis With Panel Data

Ki-Hun Kim, Kwang-Jae Kim

JMIR Med Inform 2020 (Dec 17); 8(12):e20597

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Authors’ Reply to: Is a Ratio Scale Assumption for Physician Ratings Justified? Comment on “What Patients Value in Physicians: Analyzing Drivers of Patient Satisfaction Using Physician-Rating Website Data”

Sonja Bidmon, Ossama Elshiewy, Ralf Terlutter, Yasemin Boztug

J Med Internet Res 2020 (Oct 26); 22(10):e21057

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Is a Ratio Scale Assumption for Physician Ratings Justified? Comment on “What Patients Value in Physicians: Analyzing Drivers of Patient Satisfaction Using Physician-Rating Website Data”

Uwe Konerding

J Med Internet Res 2020 (Oct 26); 22(10):e18289

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Personalized Web-Based Cognitive Rehabilitation Treatments for Patients with Traumatic Brain Injury: Cluster Analysis

Alejandro Garcia-Rudolph, Alberto Garcia-Molina, Eloy Opisso, Jose Tormos Muñoz

JMIR Med Inform 2020 (Oct 06); 8(10):e16077

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Data Imputation and Body Weight Variability Calculation Using Linear and Nonlinear Methods in Data Collected From Digital Smart Scales: Simulation and Validation Study

Jake Turicchi, Ruairi O'Driscoll, Graham Finlayson, Cristiana Duarte, A L Palmeira, Sofus C Larsen, Berit L Heitmann, R James Stubbs

JMIR Mhealth Uhealth 2020 (Sep 11); 8(9):e17977

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The P Value Line Dance: When Does the Music Stop?

Marcus Bendtsen

J Med Internet Res 2020 (Aug 27); 22(8):e21345

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An Electronic Screening and Brief Intervention for Hazardous and Harmful Drinking Among Swedish University Students: Reanalysis of Findings From a Randomized Controlled Trial Using a Bayesian Framework

Marcus Bendtsen

J Med Internet Res 2019 (Dec 17); 21(12):e14420

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Electronic Screening for Alcohol Use and Brief Intervention by Email for University Students: Reanalysis of Findings From a Randomized Controlled Trial Using a Bayesian Framework

Marcus Bendtsen

J Med Internet Res 2019 (Nov 07); 21(11):e14419

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