A personalized Technology-Based intervention for physical activity
NCT ID NCT07812766
First seen Sep 10, 2026 ยท Last updated Sep 10, 2026
Summary
The goal of this study is to learn whether a personalized mobile app can help adults exercise more. The in-house developed app, called iMovin', works with a wireless activity tracker worn on the wrist. The main questions it aims to answer are: Does a personalized version of iMovin' (with features matched to a person's exercise motivations) increase physical activity more than a standard, non-personalized version? Does using iMovin' change how people are motivated to exercise (for example, moving from doing it because they feel forced to, toward doing it because they genuinely want to)? Researchers will compare a personalized version of iMovin' to a non-personalized version (with all features turned on for everyone) to see which one works better at increasing physical activity. At the start, participants will answer a questionnaire about their exercise habits and motivations. Based on their answers, they will be grouped by motivation type and then randomly assigned to either the personalized app or the non-personalized app. Participants will: * Wear a wireless activity tracker every day (except while showering, sleeping, or charging it) for the length of the study * Use the iMovin' app on their phone, which syncs with the tracker to record daily activity * Log at least 100 steps of activity per day * Complete follow-up questionnaires about their exercise behavior and motivation * Attend a first session to sign up, get a tracker, and complete a baseline questionnaire, and a final session to return the tracker, complete a last questionnaire, and be debriefed The study ran in two phases. Phase One was a 1-month pilot study conducted at the NUS School of Computing. Phase Two was a longer, 24-week trial conducted at multiple locations around NUS, with participants also completing shorter questionnaires about their exercise motivation every 30 days.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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108 people
The number who actually took part.
- Started
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Mar 2019
- Finished
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Oct 2021
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * NUS Students (Include undergraduates and postgraduates) who are current students for the two semesters of AY2019/2020 (For Phase Two only) * Generally healthy (e.g. do not have chronic diseases such as cardiovascular diseases) * Owns a smartphone running at least iOS11 or Android 8.0 (API Level 26) 4.4 * Has access to mobile data or WiFi * Preferably, owns a Fitbit activity tracker (however, if the individual does not own a Fitbit, a wireless activity tracker was loaned to him/her) Exclusion Criteria: * All individuals who do not meet the inclusion criteria
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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School of Computing
Singapore, Singapore
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