Table 3 Difference (95% CI) in parents’ accelerometer-derived outcomes at months 6 and 12a
Difference from Baseline, by Study Arm | Between-arm Comparisons | ||
|---|---|---|---|
Child-Based Incentive (n = 159) | Family-Based Incentive (n = 157) | Family-Based Incentive vs Child-Based Incentive | |
MONTH 6 | |||
Steps/day | −379 (−778, 19) | 234 (− 157, 624) | 613* (54, 1171) |
MVPAb, min/day | − 0.2 (− 4.4, 3.9) | 2.8 (− 0.7, 6.2) | 3.0 (− 2.4, 8.4) |
MVPAb bouts, min/day | 0.0 (− 3.2, 3.1) | 3.5* (0.5, 6.5) | 3.5 (− 0.8, 7.9) |
Sedentary behavior, min/day | 8.6 (−7.7, 25.0) | 12.9 (−4.1, 29.8) | 4.2 (− 19.3, 27.7) |
Light physical activity, min/day | −12.9 (− 27.4, 1.7) | −15.8** (− 27.2, − 4.3) | −2.9 (− 21.4, 15.6) |
Moderate physical activity, min/day | 0.2 (− 3.5, 4.0) | 2.4 (− 0.8, 5.5) | 2.1 (− 2.8, 7.0) |
Vigorous physical activity, min/day | − 0.5 (− 1.3, 0.4) | 0.4 (− 0.7, 1.5) | 0.9 (− 0.5, 2.2) |
Total volume of physical activityc, min/day | − 13.1 (− 28.9, 2.7) | −13.0* (− 25.1, − 0.9) | − 0.1 (− 19.8, 20.0) |
MONTH 12 | |||
Steps/day | −208 (− 620, 203) | 160 (− 219, 539) | 369 (−191, 928) |
MVPAb, min/ day | 0.7 (−3.6, 5.1) | 2.9 (− 0.5, 6.3) | 2.2 (− 3.4, 7.7) |
MVPAb bouts, min/day | 0.6 (− 2.6, 3.8) | 2.4 (− 0.3, 5.2) | 1.8 (− 2.4, 6.1) |
Sedentary behavior, min/day | 11.8 (−6.6, 30.3) | 13.2 (− 6.7, 33.2) | 1.4 (− 25.7, 28.5) |
Light physical activity, min/ day | −14.5* (− 28.7, − 0.2) | − 16.5** (− 28.8, − 4.3) | −2.1 (− 20.9, 16.7) |
Moderate physical activity, min/day | 0.8 (−3.1, 4.7) | 2.1 (−1.0, 5.2) | 1.3 (− 3.7, 6.3) |
Vigorous physical activity, min/day | 0.01 (−1.0, 1.0) | 0.8 (− 0.1, 1.6) | 0.8 (− 0.5, 2.1) |
Total volume of physical activityc, min/day | − 13.7 (− 28.4, 1.1) | − 13.6* (− 26.5, − 0.8) | 0.0 (− 19.6, 19.6) |