Feel the Move: A Micro-Randomized Trial of a Text-Based

Status Recruiting

Clinical Trial Summary

The aim of this research is to evaluate the impacts of an intervention that reminds people of the affective rewards of exercise on physical activity in adults of any activity level

Clinical Trial Description

The Feel the Move study tests the effects of a lightweight text-message based intervention to increase physical activity and affective attitudes towards exercise. The intervention being investigated is text messages that prime expected affective rewards of exercise, sent in advance of a time window during which participants made plans to exercise. At the start of the study, participants will write sentences about feeling good after exercise (which will be used as part of the intervention) and complete baseline questionnaires about their feelings towards exercise. For the next nine weeks, participants will be asked to plan two exercise sessions a week, and will be given a questionnaire after the time window of their planned exercise sessions to assess how it went. At the onset of each time window for their planned exercise session, participants will be micro-randomized to receive one of the following intervention options: no-message; a text message reminding them to fill out the study questionnaires; or a message about the affective rewards of exercise. The messages about affective rewards will be a mix of sentences participants wrote themselves during the baseline assessment and reflective prompts from the research team. At the nine-week mark, participants will again complete the same questionnaires about their feelings towards exercise that they initially completed at baseline. Throughout the study, participants will share data about their activity, including steps and calories burned, with the research team. These data will be automatically collected by the HIPAA-compliant CareEvolution platform from participants' Apple Watches. After the nine weeks of the study participation, a random sample of study participants will be asked to participate in exit interviews to share more details about their experiences with the intervention. The primary hypothesis is that participants will burn more calories during their planned exercise periods when they receive messages about the affective rewards of exercise vs. when they do not. Researchers will also conduct secondary analyses examining the effects of the intervention on feelings towards exercise and qualitative data from the interviews. ;

Study Design

Related Conditions & MeSH terms

Physical Activity

Clinical Trial Details

NCT number	NCT05582369
Study type	Interventional
Source	University of Michigan
Contact	Research staff
Phone	8332592170
Email	feelthemovestudy@umich.eduQ
Status	Recruiting
Phase	N/A
Start date	May 31, 2023
Completion date	September 1, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Feel the Move: A Micro-Randomized Trial of a Text-Based Expectation-Setting Intervention to Increase Physical Activity

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms