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In a 6-week experimental design, up to 90 adult couples in which one partner has Type 2 Diabetes (T2D) will be randomly assigned to either the collaborative implementation intentions (Collaborative IIs), the Individual Implementation Intentions (Individual IIs) condition, or the control condition. As this is a pilot study, randomization for the experimental groups vs the control groups will occur at a 2:1 ratio. Thus, the experimental conditions will contain up to 36 participants and the control condition will contain up to 18 participants. Adults with T2D who are living with a romantic partner, not meeting current physical activity guidelines but able and willing to begin a new physical activity (PA) routine and their partners will be assessed at baseline, 3 weeks and 6 weeks after the experimental manipulation. Partners will report on their own investment in the patient's goal and patients will report on their own PA self-efficacy. Patient's PA will be measured through self-report, partner report and accelerometers for a week prior to each survey assessment. These specific aims are planned:
AIM 1: Determine whether collaborative IIs for patient's PA lead to a greater increase in partner investment in partners of adults with T2D than do individual IIs or control.
AIM 2: Determine whether collaborative IIs for patient's PA lead to a greater increase in patient PA self-efficacy in adults with T2D than do individual IIs or control.
AIM 3: Determine whether collaborative IIs for patient's PA lead to a greater increase in patient PA in adults with T2D than do individual IIs or control.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| With spouse/romantic partner | Experimental |
| |
| Without spouse/romantic partner | Experimental |
| |
| Control | Other | No Intervention |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Collaborative implementation Intentions | Behavioral | With spouse/romantic partner |
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| Measure | Description | Time Frame |
|---|---|---|
| Self-Reported Physical Activity via IPAQ | Participants will self-report their physical activity over the past week using the International Physical Activity Questionnaire (IPAQ) | Baseline, 3 weeks, 6 weeks |
| Objective Physical Activity via accelerometer | Participants will wear Actigraph Accelerometers | Basline, 6 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Physical Activity Self-Efficacy via a self efficacy scale | Physical activity self-efficacy will be measured using the self-efficacy for exercise scale (SEE; Resnick & Jenkins, 2000). This 9-item, self-report scale assesses participant's confidence that they could exercise three times per week for 20 minutes under various circumstances (e.g. "you had to exercise alone"; "you felt tired"). Respondents are asked to rate items on a scale from 1, (not at all confident), to 10 (extremely confident). |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jennalee S Wooldridge, MA | University of Colorado, Denver | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Colorado Denver | Denver | Colorado | 80204 | United States |
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| Individual implementation Intentions | Behavioral | Without spouse/romantic partner |
|
| Control | Behavioral |
|
| Baseline, 3 weeks, 6 weeks |
| Physical Activity Partner Investment Scale | The Physical Activity Partner Investment Scale assesses the degree to which the partner in a couple defines the patient engaging in regular physical activity as a shared responsibility as well as the degree to which they are taking action to address barriers to the patient engaging in physical activity . The 9 items selected were modified to be specific to engaging in regular physical activity. Participants are asked to rate their agreement each item on a scale from 1 (strongly disagree) to 7 (strongly agree). Example items include "If/when my partner decides to engage in regular physical activity , the responsibility will be his or hers alone.", "My partner and I are able to have useful discussions about how to engage in regular physical activity ." and "In the long run, my partner and I are able to work together toward helping one or both of us maintain a regular physical activity routine". | Baseline, 3 weeks, 6 weeks |