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Estimation of Physical Activity Levels Using Cell Phone Questionnaires: A Comparison With Accelerometry for Evaluation of Between-Subject and Within-Subject Variations

The ICC was calculated from models fitted separately for the cell phone data and the accelerometer data.

Christin Bexelius, Sven Sandin, Ylva Trolle Lagerros, Jan-Eric Litton, Marie Löf

J Med Internet Res 2011;13(3):e70

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The Association Between Engagement and Weight Loss Through Personal Coaching and Cell Phone Interventions in Young Adults: Randomized Controlled Trial

Specifically, we defined engagement as the frequency of use of various intervention components of the cell phone app and the attendance of the in-person group sessions and phone counseling calls.

Pao-Hwa Lin, Steven Grambow, Stephen Intille, John A Gallis, Tony Lazenka, Hayden Bosworth, Corrine L. Voils, Gary G Bennett, Bryan Batch, Jenifer Allen, Leonor Corsino, Crystal Tyson, Laura Svetkey

JMIR Mhealth Uhealth 2018;6(10):e10471

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Automated and Interviewer-Administered Mobile Phone Surveys in Burkina Faso: Sociodemographic Differences Among Female Mobile Phone Survey Respondents and Nonrespondents

Concomitant to increased cell phone ownership in SSA is a rise in the use of cell phones for remote data collection [2].

Abigail R Greenleaf, Aliou Gadiaga, Yoonjoung Choi, Georges Guiella, Shani Turke, Noelle Battle, Saifuddin Ahmed, Caroline Moreau

JMIR Mhealth Uhealth 2020;8(7):e17891

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Assessing Feasibility and Acceptability of mHealth among Underserved HIV+ Cocaine Users and Their Healthcare Providers

Shan-Estelle Brown, Archana Krishnan, Yerina Ranjit, Ruthanne Marcus, Frederick Altice

iproc 2017;3(1):e48

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Understanding and Predicting Social Media Use Among Community Health Center Patients: A Cross-Sectional Survey

phoneYes280 (92.1)No24 (7.9)Social Media UseTexting on a cell phone was the most common form of social media used by patients (202/274, 73.7%), followed by Facebook (152/279, 54.5%), email (123/236, 52.1%), cell phone apps (85/229, 37.1%), and YouTube (74/

Carl L Hanson, Josh West, Rosemary Thackeray, Michael D Barnes, Jordan Downey

J Med Internet Res 2014;16(11):e270

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The SmokefreeTXT (SFTXT) Study: Web and Mobile Data Collection to Evaluate Smoking Cessation for Young Adults

the study team to use the email and phone number to send surveys and leave reminder messages.

Linda Squiers, Derick Brown, Sarah Parvanta, Suzanne Dolina, Bridget Kelly, Jill Dever, Brian G. Southwell, Amy Sanders, Erik Augustson

JMIR Res Protoc 2016;5(2):e134

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Information and Communication Technologies Interest, Access, and Use: Cross-Sectional Survey of a Community Sample of Urban, Predominantly Black Women

Black Americans are equally as likely as white Americans to own a cell phone, more likely to report cell phones as a primary internet source and use a wider array of cell phone data functions compared to their white American counterparts [5].

Sarah M Jabour, Alexis Page, Seventy F Hall, Lycinda Rodriguez, Wendy C Shields, Anika A H Alvanzo

J Med Internet Res 2018;20(8):e248

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Importance of Photography Education to Improve Image Quality for Accurate Remote Diagnoses in Dental Trauma Patients: Observational Study

For teleconsultations, cell phone cameras are better than DSLR and oral video cameras in terms of convenience and portability [24].However, the quality of the images obtained using a cell phone depends on the level of dental knowledge of the person who is taking

Jin-Sun Jeong, Nan-Sim Pang, Yiseul Choi, Kyeong-Mee Park, Taekbin Kim, Xin Xu, Wonse Park

JMIR Mhealth Uhealth 2020;8(3):e15152

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The Role of Psychological Factors in Older Adults’ Readiness to Use eHealth Technology: Cross-Sectional Questionnaire Study

Specifically, the term electronic health (eHealth) is used to describe healthy behavior promoting interventions and devices which make use of the internet (eg, computers, personal digital assistants, cell phones, smartphones).

Lenka Knapova, Adam Klocek, Steriani Elavsky

J Med Internet Res 2020;22(5):e14670

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Internet Use for Health-Related Information via Personal Computers and Cell Phones in Japan: A Cross-Sectional Population-Based Survey

Even the average person can have an advanced cell phone, so many Japanese rely on their cell phones rather than personal computers for Internet access [17].

Yoshimitsu Takahashi, Tomoko Ohura, Tatsuro Ishizaki, Shigeru Okamoto, Kenji Miki, Mariko Naito, Rie Akamatsu, Hiroki Sugimori, Nobuo Yoshiike, Koichi Miyaki, Takuro Shimbo, Takeo Nakayama

J Med Internet Res 2011;13(4):e110

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