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| Name | Class |
|---|---|
| University of South Carolina | OTHER |
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The goal of this clinical trial is to evaluate whether different approaches to action planning can promote physical activity (PA) habits, increase PA behavior, and improve cognitive functioning in older adults who are currently inactive or insufficiently active.
The main questions it aims to answer are:
Researchers will compare three groups to determine which planning approach yields superior outcomes.:
Participants will:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Physical activity trial and error planning group | Experimental | Participants in this group will be instructed to create weekly action plans to engage in physical activity. Participants in this condition will be advised to spend 6 weeks trying different action plans each week to see what works best for them and then sticking to their preferred plan for the remaining weeks so their brain can 'learn' these mental cue-behavior associations that underpin habits. Further, participants in this group will be informed of the recommended volume of physical activity based on federal guidelines and instructed to develop action plans to engage in a self-selected physical activity (consistent with low-to-moderate intensity physical activity) that progressively increase in intensity and duration during the 6-month intervention. Participants in this group will receive weekly prompts and reminders to create action plans on their smartphone. |
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| Physical activity planning group | Active Comparator | Participants in this group will be instructed to create weekly action plans to engage in physical activity. Further, participants in this group will be informed of the recommended volume of physical activity based on federal guidelines and instructed to develop action plans to engage in a self-selected physical activity (consistent with low-to-moderate intensity physical activity) that progressively increase in intensity and duration during the 6-month intervention. Participants in this group will receive weekly prompts and reminders to create action plans on their smartphone. |
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| Non-physical activity planning group | Placebo Comparator | The non-physical activity planning group is our control condition, accounting for social contact and attention. Participants in this group will be instructed to create weekly action plans for one of four target health behavior (i.e., practice good sleep hygiene, make healthy food choices, wash my hands, practice good oral hygiene). Participants in this group will receive weekly prompts and reminders to create action plans on their smartphone. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Non-PA Action Planning | Behavioral | Participants will create weekly action plans to engage in one of four non-PA health behaviors (i.e., practice good sleep hygiene, make healthy food choices, wash my hands, practice good oral hygiene). Action plans will include specifying when, where, how, with whom participants will engage in the target behavior over the upcoming week. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Device-Based Physical Activity from Baseline to 6 Months | The wrist-worn Fitbit Inspire will provide an device-based measure of minutes/day of moderate-to-vigorous physical activity (based on step cadence) | Device-based physical activity will be assessed daily during the 7-day baseline, daily during the 6-month intervention, and daily during the 3-month follow-up period. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Grid Memory Task Performance from Baseline to 6 Months | The Grid Memory Task from the Mobile Monitoring of Cognitive Change Toolkit will be administered through participants' smartphone for 7 consecutive days (with morning and evening assessments) at each timepoint and measures working memory. The primary outcome for Grid Memory Task is the Euclidean distance of the red dots between study and recall arrays. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jaclyn Maher | Contact | 336-256-1379 | jpmaher@uncg.edu |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of North Carolina Greensboro | Greensboro | North Carolina | 27412 | United States |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| ICF | No | No | Yes | Informed Consent Form | Feb 23, 2026 | Feb 23, 2026 | ICF_000.pdf |
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| ID | Term |
|---|---|
| D009043 | Motor Activity |
| D006184 | Habits |
| ID | Term |
|---|---|
| D001519 | Behavior |
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| PA Action Planning | Behavioral | Participants will create weekly action plans to engage in physical activity. Action plans will include specifying when, where, how, with whom participants will engage in physical activity over the upcoming week. |
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| Consistency in Action Plans | Behavioral | Participants will be given six weeks to experiment with different physical activity action plans (changing the contextual features of the plan). In the seventh week, participants will be encouraged to stick with their best plan for the remaining weeks of the intervention. By maintaining the same plan over the remaining weeks of the intervention, this should promote context stability of the planned behavior. |
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| The Grid Memory Task will be administered for 7 consecutive days at baseline, for 7 days each month during the 6 month intervention, and for 7 days at the end of the 3-month follow-up. |
| Change in Symbol Search Task Performance from Baseline to 6 Months | The Search Symbol Task from the Mobile Monitoring of Cognitive Change Toolkit will be administered through participants' smartphone for 7 consecutive days (with morning and evening assessments) at each timepoint and measures processing speed. The primary outcome of Search Symbol Task is the median response time for accurate trials. | The Search Symbol Task will be administered for 7 consecutive days at baseline, for 7 days each month during the 6 month intervention, and for 7 days at the end of the 3-month follow-up. |
| Change in Physical Activity Habit Strength from Baseline to 6 Months | A single item from the Self-Reported Behavioural Automaticity Index (i.e., "Being physically active is something I do automatically.") will be administered weekly on participants' smartphone and measures physical activity habit strength. Participants will respond on a 7-point Likert scale with higher values indicating stronger habit strength. | The single item will be administered baseline, weekly during the 6-month intervention, and at the end of the 3-month follow-up. |