mHealth for Data Collection and Research

Passive Sensing of Preteens’ Smartphone Use: An Adolescent Brain Cognitive Development (ABCD) Cohort Substudy

Natasha E Wade, Joseph M Ortigara, Ryan M Sullivan, Rachel L Tomko, Florence J Breslin, Fiona C Baker, Bernard F Fuemmeler, Katia Delrahim Howlett, Krista M Lisdahl, Andrew T Marshall, Michael J Mason, Michael C Neale, Lindsay M Squeglia, Dana L Wolff-Hughes, Susan F Tapert, Kara S Bagot, ABCD Novel Technologies Workgroup

JMIR Ment Health 2021 (Oct 18); 8(10):e29426

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The Accuracy of Tidal Volume Measured With a Smart Shirt During Tasks of Daily Living in Healthy Subjects: Cross-sectional Study

Denise Mannée, Frans de Jongh, Hanneke van Helvoort

JMIR Form Res 2021 (Oct 18); 5(10):e30916

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Circadian Rhythm Analysis Using Wearable Device Data: Novel Penalized Machine Learning Approach

Xinyue Li, Michael Kane, Yunting Zhang, Wanqi Sun, Yuanjin Song, Shumei Dong, Qingmin Lin, Qi Zhu, Fan Jiang, Hongyu Zhao

J Med Internet Res 2021 (Oct 14); 23(10):e18403

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Detecting Subclinical Social Anxiety Using Physiological Data From a Wrist-Worn Wearable: Small-Scale Feasibility Study

Ruksana Shaukat-Jali, Nejra van Zalk, David Edward Boyle

JMIR Form Res 2021 (Oct 07); 5(10):e32656

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Open-source Longitudinal Sleep Analysis From Accelerometer Data (DPSleep): Algorithm Development and Validation

Habiballah Rahimi-Eichi, Garth Coombs III, Constanza M Vidal Bustamante, Jukka-Pekka Onnela, Justin T Baker, Randy L Buckner

JMIR Mhealth Uhealth 2021 (Oct 06); 9(10):e29849

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Validation of Fitbit Charge 2 Sleep and Heart Rate Estimates Against Polysomnographic Measures in Shift Workers: Naturalistic Study

Benjamin Stucky, Ian Clark, Yasmine Azza, Walter Karlen, Peter Achermann, Birgit Kleim, Hans-Peter Landolt

J Med Internet Res 2021 (Oct 05); 23(10):e26476

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Moderation of the Stressor-Strain Process in Interns by Heart Rate Variability Measured With a Wearable and Smartphone App: Within-Subject Design Using Continuous Monitoring

Herman de Vries, Wim Kamphuis, Hilbrand Oldenhuis, Cees van der Schans, Robbert Sanderman

JMIR Cardio 2021 (Oct 04); 5(2):e28731

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Participatory Surveillance of COVID-19 in Lesotho via Weekly Calls: Protocol for Cell Phone Data Collection

Abigail R Greenleaf, Gerald Mwima, Molibeli Lethoko, Martha Conkling, George Keefer, Christiana Chang, Natasha McLeod, Haruka Maruyama, Qixuan Chen, Shannon M Farley, Andrea Low

JMIR Res Protoc 2021 (Sep 27); 10(9):e31236

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Testing of a Self-administered 6-Minute Walk Test Using Technology: Usability, Reliability and Validity Study

Jenna Smith-Turchyn, Scott C Adams, Catherine M Sabiston

JMIR Rehabil Assist Technol 2021 (Sep 23); 8(3):e22818

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Determinants of the Use of Health and Fitness Mobile Apps by Patients With Asthma: Secondary Analysis of Observational Studies

Ana Luísa Neves, Cristina Jácome, Tiago Taveira-Gomes, Ana Margarida Pereira, Rute Almeida, Rita Amaral, Magna Alves-Correia, Sandra Mendes, Cláudia Chaves-Loureiro, Margarida Valério, Cristina Lopes, Joana Carvalho, Ana Mendes, Carmelita Ribeiro, Sara Prates, José Alberto Ferreira, Maria Fernanda Teixeira, Joana Branco, Marta Santalha, Maria João Vasconcelos, Carlos Lozoya, Natacha Santos, Francisca Cardia, Ana Sofia Moreira, Luís Taborda-Barata, Cláudia Sofia Pinto, Rosário Ferreira, Pedro Morais Silva, Tania Monteiro Ferreira, Raquel Câmara, Rui Lobo, Diana Bordalo, Cristina Guimarães, Maria Espírito Santo, José Ferraz de Oliveira, Maria José Cálix Augusto, Ricardo Gomes, Inês Vieira, Sofia da Silva, Maria Marques, João Cardoso, Ana Morete, Margarida Aroso, Ana Margarida Cruz, Carlos Nunes, Rita Câmara, Natalina Rodrigues, Carmo Abreu, Ana Luísa Albuquerque, Claúdia Vieira, Carlos Santos, Rosália Páscoa, Carla Chaves-Loureiro, Adelaide Alves, Ângela Neves, José Varanda Marques, Bruno Reis, Manuel Ferreira-Magalhães, João Almeida Fonseca

J Med Internet Res 2021 (Sep 22); 23(9):e25472

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Trends in Stress Throughout Pregnancy and Postpartum Period During the COVID-19 Pandemic: Longitudinal Study Using Ecological Momentary Assessment and Data From the Postpartum Mothers Mobile Study

Serwaa S Omowale, Andrea Casas, Yu-Hsuan Lai, Sarah A Sanders, Ashley V Hill, Meredith L Wallace, Stephen L Rathbun, Tiffany L Gary-Webb, Lora E Burke, Esa M Davis, Dara D Mendez

JMIR Ment Health 2021 (Sep 21); 8(9):e30422

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A Smartphone-Based App to Improve Adjuvant Treatment Adherence to Multidisciplinary Decisions in Patients With Early-Stage Breast Cancer: Observational Study

Jing Yu, Jiayi Wu, Ou Huang, Xiaosong Chen, Kunwei Shen

J Med Internet Res 2021 (Sep 16); 23(9):e27576

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Shift in Social Media App Usage During COVID-19 Lockdown and Clinical Anxiety Symptoms: Machine Learning–Based Ecological Momentary Assessment Study

Jihan Ryu, Emese Sükei, Agnes Norbury, Shelley H Liu, Juan José Campaña-Montes, Enrique Baca-Garcia, Antonio Artés, M Mercedes Perez-Rodriguez

JMIR Ment Health 2021 (Sep 15); 8(9):e30833

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Factors Associated With Longitudinal Psychological and Physiological Stress in Health Care Workers During the COVID-19 Pandemic: Observational Study Using Apple Watch Data

Robert P Hirten, Matteo Danieletto, Lewis Tomalin, Katie Hyewon Choi, Micol Zweig, Eddye Golden, Sparshdeep Kaur, Drew Helmus, Anthony Biello, Renata Pyzik, Claudia Calcagno, Robert Freeman, Bruce E Sands, Dennis Charney, Erwin P Bottinger, James W Murrough, Laurie Keefer, Mayte Suarez-Farinas, Girish N Nadkarni, Zahi A Fayad

J Med Internet Res 2021 (Sep 13); 23(9):e31295

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Exploring Test-Retest Reliability and Longitudinal Stability of Digital Biomarkers for Parkinson Disease in the m-Power Data Set: Cohort Study

Mehran Sahandi Far, Simon B Eickhoff, Maria Goni, Juergen Dukart

J Med Internet Res 2021 (Sep 13); 23(9):e26608

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Evaluation of Changes in Depression, Anxiety, and Social Anxiety Using Smartphone Sensor Features: Longitudinal Cohort Study

Jonah Meyerhoff, Tony Liu, Konrad P Kording, Lyle H Ungar, Susan M Kaiser, Chris J Karr, David C Mohr

J Med Internet Res 2021 (Sep 03); 23(9):e22844

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Presentation, Treatment, and Natural Course of Severe Symptoms of Urinary Tract Infections Measured by a Smartphone App: Observational and Feasibility Study

Akke Vellinga, Karen Farrell, Roisin Fallon, Daniel Hare, Una Sutton-Fitzpatrick, Martin Cormican

J Med Internet Res 2021 (Sep 03); 23(9):e25364

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Upper-Limb Motion Recognition Based on Hybrid Feature Selection: Algorithm Development and Validation

Qiaoqin Li, Yongguo Liu, Jiajing Zhu, Zhi Chen, Lang Liu, Shangming Yang, Guanyi Zhu, Bin Zhu, Juan Li, Rongjiang Jin, Jing Tao, Lidian Chen

JMIR Mhealth Uhealth 2021 (Sep 02); 9(9):e24402

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Ecological Momentary Assessment of Bipolar Disorder Symptoms and Partner Affect: Longitudinal Pilot Study

Mor Yerushalmi, Andrew Sixsmith, Ariel Pollock Star, David B King, Norm O'Rourke

JMIR Form Res 2021 (Sep 02); 5(9):e30472

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Exploring the Utility of Google Mobility Data During the COVID-19 Pandemic in India: Digital Epidemiological Analysis

Kamal Kishore, Vidushi Jaswal, Madhur Verma, Vipin Koushal

JMIR Public Health Surveill 2021 (Aug 30); 7(8):e29957

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