Proportion/mean (SD) | ||||
---|---|---|---|---|
Measures | Activity intensity | Total (N = 839) | Boys (N = 349) | Girls (N = 490) |
Age (years) | 10.23 (0.30) | 10.22 (0.29) | 10.24 (0.31) | |
BMI (kg/m2) | 18.00 (3.04) | 17.74 (2.74) | 18.18 (3.23) | |
Parental education: a-levels or higher | 41.8% | 45.0% | 39.6% | |
White ethnicity | 97.0% | 97.4% | 96.7% | |
School time (9-15h) | ||||
Baseline PA (% of worn time) | Sedentary | 69.49 (5.82) | 66.99 (5.99) | 71.27 (4.98) |
Moderate | 5.23 (1.58) | 6.09 (1.62) | 4.62 (1.23) | |
Vigorous | 2.96 (1.53) | 3.67 (1.70) | 2.45 (1.16) | |
Change PA (change in %) | Sedentary | −0.19 (6.08) | −0.75 (6.42)+ | 0.20 (5.80) |
Moderate | 0.18 (1.75)++ | 0.27 (1.88)++ | 0.11 (1.65) | |
Vigorous | −0.04 (1.50) | 0.10 (1.79) | −0.13 (1.25)+ | |
Travel time (8-9h, 15-16h) | ||||
Baseline PA (% of worn time) | Sedentary | 55.92 (8.12) | 54.33 (8.65) | 57.06 (7.52) |
Moderate | 10.52 (4.78) | 10.82 (4.72) | 10.31 (4.81) | |
Vigorous | 3.41 (2.55) | 4.07 (2.81) | 2.95 (2.24) | |
Change PA (change in %) | Sedentary | 0.40 (8.30) | −0.30 (8.61) | 0.90 (8.04)+ |
Moderate | 0.07 (4.69) | 0.29 (4.39) | −0.08 (4.89) | |
Vigorous | 0.07 (4.69) | 0.33 (2.67)+ | −0.12 (2.23) |