Table 2.
Proof-of-concept study changes in physical activity and biometric measures.
| Measure |
Pre-test mean (SD) |
Post-test mean (SD) |
Δ |
t |
d |
|---|---|---|---|---|---|
| Biometrics | |||||
| Weight (lbs) | 201.2 (24.4) | 197.4 (22.2) | −3.77 | 2.33(*) | 0.95 |
| Systolic blood pressure (mmHg) | 131.6 (23.6) | 129.2 (12.1) | −2.4 | 0.37 | 0.16 |
| Diastolic blood pressure (mmHg) | 87.6 (7.4) | 78.2 (1.9) | −9.4 | 1.52 | 0.68 |
| Accelerometer-measured physical activity | |||||
| Moderate-vigorous physical activity (MVPA) (min/week) | 75.3 (72.8) | 109.6 (83.2) | 34.3 | 1.0 | 0.38 |
| Steps/day | 4336.6 (1888.2) | 6432.5 (4785.9) | 2065.9 | 1.1 | 0.41 |
| Sedentary time (min/day) | 1029.3 (133.0) | 1171.8 (243.4) | 142.5 | 1.5 | 0.57 |
| Self-reported physical activity | |||||
| International Physical Activity Questionnaire (IPAQ) (min/week MVPA) | 15.0 (19.4) | 349.3a (224.3) | 334.3 | 3.88** | 2.10 |
**p < .01, (*) p < .10.
a One outlier was truncated to the next highest value.