Testing Self-Control as a Behavior Change Mechanism to Increase Physical

Status Completed

Clinical Trial Summary

The goal of this study is to test self-control as a behavior change mechanism for physical activity and to investigate whether a smartphone-based self-control intervention can increase physical activity among sedentary middle-aged adults.

Clinical Trial Description

It is widely known that being physically active is beneficial for one's health and well-being, yet only a small percentage of adults engage in the recommended amounts of physical activity. Research has shown that health-damaging behaviors such as a sedentary lifestyle can be attributed in part to a lack of self-control. There is some evidence that self-control strategies can be improved with targeted interventions. The overall aim of the proposed study is to test self-control as a behavior change mechanism for physical activity and to investigate whether a smartphone-based self-control intervention can increase physical activity among sedentary middle-aged and older adults. To test the effect of this self-control intervention, participants will be randomized into two conditions: The self-control treatment group and the control group. Both groups will track their daily physical activity using a Fitbit step counter over eight weeks. Additionally, the self-control intervention group will receive a 7-week smartphone-based self-control intervention to learn strategies how to potentiate desirable impulses or weaken undesirable ones. It is expected that the self-control treatment group will show greater increases in physical activity and that changes will last longer compared to the control group. Self-control is expected to mediate the relationship between condition and physical activity. It is predicted that the self-control treatment group will show greater changes in self-control compared to the control group and that people who increase more in self-control also increase more in their physical activity. Two versions of the MindHike smartphone application will be used to communicate with all participants. The self-control treatment group will receive a version delivering a self-control intervention. The control group will receive a minimal version without the interventional components. Both groups are matched in terms of contact frequency. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04522141
Study type	Interventional
Source	Brandeis University
Contact
Status	Completed
Phase	Early Phase 1
Start date	October 15, 2020
Completion date	January 30, 2022

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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.

Testing Self-Control as a Behavior Change Mechanism to Increase Physical Activity

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms