Physical activity-related secondary outcome | Participants, n | Mean change from baseline | Adjusted difference at follow-upa | |||
---|---|---|---|---|---|---|
Control, n= 173 | Intervention, n= 180 | Control | Intervention | Coefficient (95% CI) | P-value | |
Overall daily physical activity, mg | ||||||
6 months | 140 | 128 | −0.38 | −0.36 | 0.12 (−0.80 to 1.04) | 0.793 |
Average acceleration for most active continuous 30 min, mg | ||||||
6 months | 140 | 128 | −1.17 | −1.68 | 1.07 (−3.07 to 5.21) | 0.611 |
12 months | 137 | 128 | 1.11 | −4.17 | −3.71 (−7.97 to 0.54) | 0.087 |
Minutes per day spent in moderate-to-vigorous 1-min bouts of physical activity (min/day) | ||||||
6 months | 140 | 128 | −1.76 | 0.01 | 1.88 (−1.53 to 5.28) | 0.279 |
12 months | 137 | 128 | 0.54 | −3.72 | −3.86 (−6.70 to −1.03) | 0.008 |
Minutes per day spent in slow walk, classified as>100 mg (min/day) | ||||||
6 months | 140 | 128 | −2.29 | −1.04 | 1.70 (−3.46 to 6.86) | 0.518 |
12 months | 137 | 128 | −1.09 | −6.23 | −4.66 (−8.82 to −0.51) | 0.028 |
Minutes per day spent in brisk walk, classified as>200 mg (min/day) | ||||||
6 months | 140 | 128 | 0.06 | 0.001 | 0.23 (−1.44 to 1.90) | 0.789 |
12 months | 137 | 128 | 0.10 | −1.40 | −1.23 (−2.81 to 0.35) | 0.127 |
Minutes per day spent sedentary/inactive (min) | ||||||
6 months | 135 | 121 | 1.13 | 2.71 | −1.78 (−19.33 to 15.77) | 0.842 |
12 months | 136 | 124 | −10.15 | 5.22 | 9.91 (−11.78 to 31.60) | 0.369 |
Minutes’ sleep duration per night (min) | ||||||
6 months | 135 | 121 | −2.20 | −2.80 | 0.69 (−10.49 to 11.86) | 0.904 |
12 months | 136 | 124 | 5.63 | 2.43 | −1.33 (−16.98 to 14.32) | 0.867 |
↵a Adjusted for stratification factors: sex, ethnicity; change from baseline in accelerometer wear time and baseline value of outcome. Participants with missing outcome data or missing variables required for the model adjustment were excluded. CI = confidence interval.