mHealth for Data Collection and Research

Relationship Between Major Depression Symptom Severity and Sleep Collected Using a Wristband Wearable Device: Multicenter Longitudinal Observational Study

Yuezhou Zhang, Amos A Folarin, Shaoxiong Sun, Nicholas Cummins, Rebecca Bendayan, Yatharth Ranjan, Zulqarnain Rashid, Pauline Conde, Callum Stewart, Petroula Laiou, Faith Matcham, Katie M White, Femke Lamers, Sara Siddi, Sara Simblett, Inez Myin-Germeys, Aki Rintala, Til Wykes, Josep Maria Haro, Brenda WJH Penninx, Vaibhav A Narayan, Matthew Hotopf, Richard JB Dobson, RADAR-CNS Consortium

JMIR Mhealth Uhealth 2021 (Apr 12); 9(4):e24604

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Force-Sensitive Mat for Vertical Jump Measurement to Assess Lower Limb Strength: Validity and Reliability Study

Erik Vanegas, Yolocuauhtli Salazar, Raúl Igual, Inmaculada Plaza

JMIR Mhealth Uhealth 2021 (Apr 09); 9(4):e27336

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Using Speech Data From Interactions With a Voice Assistant to Predict the Risk of Future Accidents for Older Drivers: Prospective Cohort Study

Yasunori Yamada, Kaoru Shinkawa, Masatomo Kobayashi, Hironobu Takagi, Miyuki Nemoto, Kiyotaka Nemoto, Tetsuaki Arai

J Med Internet Res 2021 (Apr 08); 23(4):e27667

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Noninvasive Hemoglobin Level Prediction in a Mobile Phone Environment: State of the Art Review and Recommendations

Md Kamrul Hasan, Md Hasanul Aziz, Md Ishrak Islam Zarif, Mahmudul Hasan, MMA Hashem, Shion Guha, Richard R Love, Sheikh Ahamed

JMIR Mhealth Uhealth 2021 (Apr 08); 9(4):e16806

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Respondent Characteristics and Dietary Intake Data Collected Using Web-Based and Traditional Nutrition Surveillance Approaches: Comparison and Usability Study

Claire M Timon, Janette Walton, Albert Flynn, Eileen R Gibney

JMIR Public Health Surveill 2021 (Apr 07); 7(4):e22759

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Perceived Impacts, Acceptability, and Recommendations for Ecological Momentary Assessment Among Youth Experiencing Homelessness: Qualitative Study

Darlene Acorda, Michael Businelle, Diane Santa Maria

JMIR Form Res 2021 (Apr 06); 5(4):e21638

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Learning From Others Without Sacrificing Privacy: Simulation Comparing Centralized and Federated Machine Learning on Mobile Health Data

Jessica Chia Liu, Jack Goetz, Srijan Sen, Ambuj Tewari

JMIR Mhealth Uhealth 2021 (Mar 30); 9(3):e23728

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Measurement of Heart Rate Using the Polar OH1 and Fitbit Charge 3 Wearable Devices in Healthy Adults During Light, Moderate, Vigorous, and Sprint-Based Exercise: Validation Study

David Joseph Muggeridge, Kirsty Hickson, Aimie Victoria Davies, Oonagh M Giggins, Ian L Megson, Trish Gorely, Daniel R Crabtree

JMIR Mhealth Uhealth 2021 (Mar 25); 9(3):e25313

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Predicting Emotional States Using Behavioral Markers Derived From Passively Sensed Data: Data-Driven Machine Learning Approach

Emese Sükei, Agnes Norbury, M Mercedes Perez-Rodriguez, Pablo M Olmos, Antonio Artés

JMIR Mhealth Uhealth 2021 (Mar 22); 9(3):e24465

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Remote and Long-Term Self-Monitoring of Electroencephalographic and Noninvasive Measurable Variables at Home in Patients With Epilepsy (EEG@HOME): Protocol for an Observational Study

Andrea Biondi, Petroula Laiou, Elisa Bruno, Pedro F Viana, Martijn Schreuder, William Hart, Ewan Nurse, Deb K Pal, Mark P Richardson

JMIR Res Protoc 2021 (Mar 19); 10(3):e25309

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Factors Affecting the Quality of Person-Generated Wearable Device Data and Associated Challenges: Rapid Systematic Review

Sylvia Cho, Ipek Ensari, Chunhua Weng, Michael G Kahn, Karthik Natarajan

JMIR Mhealth Uhealth 2021 (Mar 19); 9(3):e20738

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Mobile Health Crowdsensing (MHCS) Intervention on Chronic Disease Awareness: Protocol for a Systematic Review

Temitope Oluwaseyi Tokosi, Michael Twum-Darko

JMIR Res Protoc 2021 (Mar 19); 10(3):e24589

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Measuring Criterion Validity of Microinteraction Ecological Momentary Assessment (Micro-EMA): Exploratory Pilot Study With Physical Activity Measurement

Aditya Ponnada, Binod Thapa-Chhetry, Justin Manjourides, Stephen Intille

JMIR Mhealth Uhealth 2021 (Mar 10); 9(3):e23391

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A Mobile App and Dashboard for Early Detection of Infectious Disease Outbreaks: Development Study

Euijoon Ahn, Na Liu, Tej Parekh, Ronak Patel, Tanya Baldacchino, Tracy Mullavey, Amanda Robinson, Jinman Kim

JMIR Public Health Surveill 2021 (Mar 09); 7(3):e14837

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Tracking and Monitoring Mood Stability of Patients With Major Depressive Disorder by Machine Learning Models Using Passive Digital Data: Prospective Naturalistic Multicenter Study

Ran Bai, Le Xiao, Yu Guo, Xuequan Zhu, Nanxi Li, Yashen Wang, Qinqin Chen, Lei Feng, Yinghua Wang, Xiangyi Yu, Haiyong Xie, Gang Wang

JMIR Mhealth Uhealth 2021 (Mar 08); 9(3):e24365

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Measurement of Human Walking Movements by Using a Mobile Health App: Motion Sensor Data Analysis

Sungchul Lee, Ryan M Walker, Yoohwan Kim, Hyunhwa Lee

JMIR Mhealth Uhealth 2021 (Mar 05); 9(3):e24194

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Going Remote—Demonstration and Evaluation of Remote Technology Delivery and Usability Assessment With Older Adults: Survey Study

Jordan R Hill, Addison B Harrington, Philip Adeoye, Noll L Campbell, Richard J Holden

JMIR Mhealth Uhealth 2021 (Mar 04); 9(3):e26702

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Mobile Apps for Foot Measurement in Pedorthic Practice: Scoping Review

Muhammad Ashad Kabir, Sheikh Sowmen Rahman, Mohammad Mainul Islam, Sayed Ahmed, Craig Laird

JMIR Mhealth Uhealth 2021 (Mar 04); 9(3):e24202

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Text Messaging and Web-Based Survey System to Recruit Patients With Low Back Pain and Collect Outcomes in the Emergency Department: Observational Study

Anita Barros Amorim, Danielle Coombs, Bethan Richards, Chris G Maher, Gustavo C Machado

JMIR Mhealth Uhealth 2021 (Mar 04); 9(3):e22732

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Medical Food Assessment Using a Smartphone App With Continuous Glucose Monitoring Sensors: Proof-of-Concept Study

Hector Roux de Bézieux, James Bullard, Orville Kolterman, Michael Souza, Fanny Perraudeau

JMIR Form Res 2021 (Mar 04); 5(3):e20175

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