Table 4 Outcomes by group (adjusted for age, sex, and outdoor free-play duration at follow-up)
| Â | Intervention | Control | Intervention-Control (complete case) | Multiple imputation (missing data at both time points) | ||||
|---|---|---|---|---|---|---|---|---|
Baseline N = 161 | Follow-up N = 135 | Baseline N = 217 | Follow-up N = 222 | Adjusted difference between groups (95% CI) | p-value | Adjusted difference between groups (95% CI) | p-value | |
Primary outcome | ||||||||
 Mean daily minutes of physical activity in care (sd.) | ||||||||
  MVPA (ICC-0.09) | 58.53 (21.19) | 58.70 (20.10) | 51.72 (17.39) | 52.21 (16.81) | 6.11 (0.54– 11.68) | 0.04 | 5.21 (0.59–9.83) | 0.03 |
Secondary outcomes | ||||||||
 Mean daily minutes of physical activity in care (sd.) | ||||||||
  Vigorous PA | 23.54 (11.01) | 23.06 (10.34) | 19.80 (8.50) | 19.82 (8.38) | 2.59 (−0.91–6.09) | 0.13 | 2.09 (−0.56–4.75) | 0.12 |
  Moderate PA | 34.98 (11.35) | 35.64 (11.37) | 31.92 (9.67) | 32.40 (9.42) | 3.52 (1.19–5.86) | < 0.01 | 3.12 (0.91–5.33) | < 0.01 |
  Light PA | 54.96 (14.17) | 55.86 (13.37) | 53.27 (11.55) | 54.41 (11.70) | 2.70 (−2.61–8.01) | 0.27 | 2.44 (−1.56–6.45) | 0.23 |
  Total PA | 113.49 (32.19) | 114.56 (30.88) | 104.99 (26.77) | 106.63 (26.09) | 8.94 (−1.43–19.31) | 0.08 | 7.75 (−0.38–15.88) | 0.06 |
 Counts per minute in care per day (total child PA in care) (sd.) | ||||||||
  Counts per minute (ICC – 0.10) | 196.81 (64.22) | 197.06 (61.40) | 176.50 (52.24) | 178.67 (50.40) | 16.95 (−4.63–38.52) | 0.11 | 14.25 (−2.26–30.76) | 0.09 |
 Percentage of wear time in care per day (%) (sd.) | ||||||||
  % MVPA (ICC −0.12) | 17.56 (5.96) | 17.51 (5.34) | 15.27 (4.70) | 15.10 (4.33) | 1.78 (0.72–2.83) | < 0.01 | 1.57 (0.64–2.49) | < 0.001 |