Journal of Medical Internet Research

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Perceptions of the Use of Mobile Apps to Assess Sleep-Dependent Memory in Older Adults With Subjective and Objective Cognitive Impairment: Focus Group Approach

Aaron Lam, Simone Simonetti, Angela D'Rozario, David Ireland, DanaKai Bradford, Jurgen Fripp, Sharon L Naismith

JMIR Aging 2025;8:e68147

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Uncovering Social States in Healthy and Clinical Populations Using Digital Phenotyping and Hidden Markov Models: Observational Study

The probability of transitioning into each hidden state at time t is dependent on the previous hidden state, and is given by: Where the elements of A are each of the transition probabilities such that Amn ≡ p(ztn = 1|zt-1,m = 1, ct) denotes the probability of transitioning from state m to state n at time t and we make it explicit that this can depend on a vector of time-varying covariates ct. In addition, other measures can be calculated from the hidden state sequence itself.

Imogen E Leaning, Andrea Costanzo, Raj Jagesar, Lianne M Reus, Pieter Jelle Visser, Martien J H Kas, Christian F Beckmann, Henricus G Ruhé, Andre F Marquand

J Med Internet Res 2025;27:e64007

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Gamification in mHealth Apps for Rehabilitation: Protocol for a Scoping Review

Jacqueline Dawson, Randall Nee, Christian Ramirez, Sharlene Reyes, David Sanchez, Tulsi Sukhadia, Andrew Bartlett

JMIR Res Protoc 2025;14:e63600

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Correction: Latino Parents’ Reactions to and Engagement With a Facebook Group–Based COVID-19 Vaccine Promotion Intervention: Mixed Methods Pilot Study

Anna I González-Salinas, Elizabeth L Andrade, Lorien C Abroms, Kaitlyn Gómez, Carla Favetto, Valeria M Gómez, Karen K Collins

JMIR Form Res 2025;9:e76107

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Application of a Sociotechnical Framework to Uncover Factors That Influence Effective User Engagement With Digital Mental Health Tools in Clinical Care Contexts: Scoping Review

Reference 169: m-RESIST, a mobile therapeutic intervention for treatment-resistant schizophrenia: feasibility

Brian Lo, Keri Durocher, Rebecca Charow, Sarah Kimball, Quynh Pham, Sanjeev Sockalingam, David Wiljer, Gillian Strudwick

J Med Internet Res 2025;27:e67820

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Sex Differences in the Variability of Physical Activity Measurements Across Multiple Timescales Recorded by a Wearable Device: Observational Retrospective Cohort Study

Longitudinal plot of a representative 3-week interval of minute-level metabolic equivalent of task (MET) data (left) from (A) 1 female individual (F, blue) and (B) 1 male individual (M, red), with the histogram of the MET values for each separated by awake (light) and asleep (dark) values (right). MET values were examined at minute-level resolution.

Kristin J Varner, Lauryn Keeler Bruce, Severine Soltani, Wendy Hartogensis, Stephan Dilchert, Frederick M Hecht, Anoushka Chowdhary, Leena Pandya, Subhasis Dasgupta, Ilkay Altintas, Amarnath Gupta, Ashley E Mason, Benjamin L Smarr