N/A
Completed N=301
Testing Adaptive Interventions to Improve Physical Activity for Sedentary Women
Physical Activity
Source: ClinicalTrials.gov NCT03558828 ↗
Enrolled (actual)
301
Serious AEs
0.0%
Results posted
May 2025
Primary outcomePrimary: Physical Activity-Steps — 5637.2; 5863.3; 5603.9; 5631.6 Number of steps/day
Summary
This study employs a Sequential Multiple Assignment Randomized Trial (SMART) and aims to determine the most effective adaptive intervention combining four efficacious treatments (enhanced physical activity monitor, motivational text messages, motivational personal calls, group meetings) to increase physical activity and improve cardiovascular health among sedentary employed women.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Physical Activity-Steps |
5637.2; 5863.3; 5603.9; 5631.6; 5636.7; 5322.0 | — |
| PRIMARY Physical Activity- Moderate to Vigorous Physical Activity (MVPA) |
17.4; 18.0; 18.8; 17.9; 18.6; 17.7 | — |
| SECONDARY Cardiovascular Health (1) |
85.7; 87.1; 86.3; 89.9; 86; 88.7 | — |
| SECONDARY Cardiovascular Health (2) |
31.8; 32.4; 31.3; 31.6; 32.2; 32.1 | — |
| SECONDARY Cardiovascular Health (3) |
38.1; 38.7; 38.4; 39; 39.8; 38.7 | — |
Eligibility Criteria
Inclusion Criteria
- Female employee at study site
- Aged 18 to 70
- Able to speak/read English
- Owns a smartphone with text messaging capability
- Willing to receive text messages at the proposed pace
- We will include participants who have Type 1 diabetes, or Type 2 diabetes with an A1C ≥ 9.0%, or have an A1C of ≥ 6.5% without a prior diabetes diagnosis, only if they have been given clearance by their health care provider
- Without a disability that inhibits walking as determined by the PAR-Q & You (Physical Activity Readiness Questionnaire)
Exclusion Criteria
- Major signs/symptoms of pulmonary or cardiovascular disease
- Systolic BP ≥ 160 and/or diastolic BP ≥ 100
- Sufficiently or overly active, as determined by a physical activity monitor worn for one week, indicating averaging ≥ 7,500 steps per day ("somewhat active")
Data sourced from ClinicalTrials.gov (NCT03558828). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.