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A Mobile Health App Informed by the Multi-Process Action Control Framework to Promote Physical Activity Among Inactive Adults: Iterative Usability Study

A Mobile Health App Informed by the Multi-Process Action Control Framework to Promote Physical Activity Among Inactive Adults: Iterative Usability Study

The lead researcher read the introductory script and then prompted participants to ask any questions before beginning with the list of semistructured questions (Multimedia Appendix 1). The focus group portion of the session took approximately 25 to 30 minutes. The workshop and focus group guide was pilot-tested among the research team. Only the participants and researchers were present during the workshops and focus groups. There were no repeat workshops and focus groups.

Heather Hollman, Wuyou Sui, Haowei Zhang, Ryan E Rhodes

JMIR Form Res 2025;9:e59477

Acceptability and Preliminary Efficacy of a Novel Web-Based Physical Activity for the Heart (PATH) Intervention Designed to Promote Physical Activity in Adults With Obesity: Protocol for a Pilot Randomized Controlled Trial

Acceptability and Preliminary Efficacy of a Novel Web-Based Physical Activity for the Heart (PATH) Intervention Designed to Promote Physical Activity in Adults With Obesity: Protocol for a Pilot Randomized Controlled Trial

The smart monitor has a one-touch easy-to-read digital screen and a cuff that fits an arm circumference of 22-42 cm (larger cuffs available on request). Staff members will instruct the participant to apply the cuff on the bare left arm, then sit in a chair with both feet resting flat on the floor, with the back straight and supported.

Jacob Kariuki, Lora Burke, Kirk Erickson, Susan Sereika, Sudeshna Paul, Jessica Cheng, Heran Biza, Amjad Abdirahman, Katherine Wilbraham, Heather Milton, Cornelius Brown, Matthew Sells, Foster Osei Baah, Jessica Wells, Rasheeta Chandler, Bethany Barone Gibbs

JMIR Res Protoc 2025;14:e67972

Alternative Presentations of Overall and Statistical Uncertainty for Adults’ Understanding of the Results of a Randomized Trial of a Public Health Intervention: Parallel Web-Based Randomized Trials

Alternative Presentations of Overall and Statistical Uncertainty for Adults’ Understanding of the Results of a Randomized Trial of a Public Health Intervention: Parallel Web-Based Randomized Trials

They were then asked to read 5 pieces of text: 3 versions of the summaries with progressively more information (eg, the first version was the shortest summary with no text related to uncertainty or the MOE, the second version had text related to uncertainty but not the MOE, and the third version had text related to uncertainty and the MOE); the trial questions; and the text that would be available via hyperlinks and hover text in the summaries.

Christine Holst, Steven Woloshin, Andrew D Oxman, Christopher Rose, Sarah Rosenbaum, Heather Menzies Munthe-Kaas

JMIR Public Health Surveill 2025;11:e62828