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| Name | Class |
|---|---|
| National Center for Complementary and Integrative Health (NCCIH) | NIH |
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The goal of the proposed project is to conduct a feasibility clinical trial comparing group-based acceptance and commitment therapy for physical activity, (ACT; ACTivity) to a time- and attention-matched standard PA intervention (i.e., PA education, goal-setting, and self-monitoring) plus relaxation training comparison condition (Relaxercise) among 60 low-active adults (ages 18-65) with elevated depressive symptoms. Participants will be randomized to treatment condition, followed for 6 months, including the 8-week treatment. Participants will be randomized 1:1 to treatment condition, followed for 6 months, including the 8-week treatment, and receive a 6-month YMCA membership to equate access to PA facilities.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ACTivity | Experimental | Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring) |
|
| Relaxercise | Active Comparator | Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ACTivity | Behavioral | Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring) |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Accelerometry | Minutes of physical activity weighted by intensity, expressed in metabolic equivalent (MET) minutes per week as determined by accelerometers (Actigraph [model wGT3x-BT]) worn during one-week periods. | Baseline, Post-Treatment (8 weeks), 6-months |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Self-report physical activity (Godin) | Self-reported minutes of leisure time physical activity per week weighted by intensity | Baseline, Mid-Treatment (4 weeks) Post-Treatment (8 weeks), 6-months |
| Change in Self-reported depression symptoms (CES-D) |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Physical activity values clarification (valuing questionnaire) | Measures how a person's values align with physical activity | Baseline, Mid-Treatment (4 weeks) Post-Treatment (8 weeks), 6-months |
| Change in Acceptance of physical activity-related distress (Physical Activity Acceptance Questionnaire) |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Da M Wil, Ph.D. | Brown University School of Public Health | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Brown University | Providence | Rhode Island | 02912 | United States |
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Jun 3, 2026 | |
| Reset | Jun 26, 2026 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Jun 3, 2026 | Jun 26, 2026 | |||
| Jul 7, 2026 |
| ID | Term |
|---|---|
| D057185 | Sedentary Behavior |
| ID | Term |
|---|---|
| D001519 | Behavior |
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| ID | Term |
|---|---|
| D015444 | Exercise |
| ID | Term |
|---|---|
| D009043 | Motor Activity |
| D009068 | Movement |
| D009142 | Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |
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| Relaxercise | Behavioral | Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring) |
|
Score on the Center for Epidemiological Studies Depression Scale (CES-D) |
| Baseline, Mid-Treatment (4 weeks) Post-Treatment (8 weeks), 6-months |
Measures the extent to which a person can tolerate any distress associated with physical activity |
| Baseline, Mid-Treatment (4 weeks) Post-Treatment (8 weeks), 6-months |
| Change in Physical activity-related motivation (Treatment Self-Regulation Questionnaire - Exercise Version) | Measures the extent to which a person is motivated to engage in physical activity | Baseline, Mid-Treatment (4 weeks) Post-Treatment (8 weeks), 6-months |
| Change in Discomfort intolerance (Discomfort Intolerance Scale) | Measures the extent to which a person can tolerate uncomfortable experiences | Baseline, Mid-Treatment (4 weeks) Post-Treatment (8 weeks), 6-months |
| Change in Physical activity enjoyment (PACES questionnaire) | Measures the extent to which a person enjoys physical activity | Baseline, Mid-Treatment (4 weeks) Post-Treatment (8 weeks), 6-months |
| Change in Credibility and expectancy questionnaire | Measures perceived credibility and expected benefits of treatment | Week 1 (After the first treatment session) |
| Change in Client satisfaction questionnaire | Measures satisfaction with treatment | Post-Treatment (8 weeks) and following the booster session (12 weeks) |
| Change in Group cohesion questionnaire | Measures perceived cohesiveness of the treatment group | Post-Treatment (8 weeks) |