Daily Goal Setting to Increase Everyday Physical Activity and Promote Cognitive Health in Midlife
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About
The purpose of this study is to determine whether interaction with an adaptive Fitbit-based goal setting application can increase levels of everyday light intensity physical activity in middle-aged adults.
Full description
The study is designed to examine the efficacy of a Fitbit-based, goal setting, mHealth intervention to increase light intensity physical activity. The study design is a 2-arm randomized controlled trial. Both groups will receive the underlying goal-setting intervention (adaptive daily step goals). The study involves 3 phases: a run-in ("calibration") phase, the intervention ("training") phase, and follow-up (1- and 12-months post-intervention).
To support goal maintenance our team has developed a Fitbit application designed to operate on the Fitbit Versa series watch as a 'clockface'. The application will first calibrate participants' average level of physical activity by recording daily step counts for a period of 14 days (calibration phase). After this period (and following a health education session) the application will begin delivering the underlying intervention to both treatment and control groups for a period of 1 month. The intervention is composed of daily step goals presented via the Fitbit clockface. Each day the application will suggest a daily step goal. The algorithm used to make these suggestions relies on the participant's own activity during the calibration period and is updated each day in study, ensuring all proposed step goals are within their existing repertoire. Follow-up assessments will be completed at 1- and 12-monts post-intervention.
Outcomes and moderators will be measured via activity monitors (the Fitbit application and activPals), surveys, and ecological momentary assessments (self-ratings and performance-based ambulatory cognitive assessments) conducted via the Mobile Monitoring of Cognitive Change ("M2C2") platform.
Some of the details of the intervention, algorithm, experimental manipulations, and outcomes have been omitted to preserve the scientific integrity of the study. These details will be added after the study is closed.
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Inclusion and exclusion criteria
Inclusion Criteria*:
- Between 30 and 70 years of age
- BMI ≥ 25
Exclusion Criteria*:
- Clinical diagnosis of ADRD or other neurodegenerative disease
- Health condition contraindicated for increased physical activity
- Medical conditions or medications that would prohibit participation in an exercise test (e.g., decompensated heart failure, severe aortic stenosis, uncontrolled arrhythmia, and acute coronary syndromes)
- Limitations in use of a smart phone (e.g., issues with manual dexterity or visual impairment)
- Inability to walk unassisted
- BMI > 50
- Plan to have surgery or other procedure over the next 12 months that could affect mobility or light intensity physical activity maintenance
- Concurrent participation in a weight loss, physical activity, or cognitive training trial
- Failure to comply with Run-in Period activity monitoring (<70% valid wear days for the Fitbit and activPal)
- Anyone who will not discontinue the use of their own personal smartwatch during the training period.
- Anyone who scores below 19 on the MoCA-B would not be randomized after the Run-in Calibration Period.
Note: The eligibility criteria are deliberately incomplete to preserve the scientific integrity of the study. These details will be added after study closure.
Trial design
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Interventional model
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200 participants in 2 patient groups
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Central trial contact
Jessie Research Project Manager, PhD
Data sourced from clinicaltrials.gov
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