Table 1 Accelerometer measured average time (min) and % spent in PA intensity categories
From: Novel patterns of physical activity in a large sample of preschool-aged children
|  | All participants (n = 1131) | Girls (n = 583) | Boys (n = 548) | Test | P value1 | 95% CI for difference between boys and girls | |
|---|---|---|---|---|---|---|---|
Adherent accelerometer wear days (day) | 6.7 (0.7) | 6.6 (0.7) | 6.7 (0.6) | Rank-sum | 0.01 | NA | NA |
Daily wear time (h) | 12.9 (1.4) | 12.8 (1.5) | 12.9 (1.3) | Rank-sum | 0.7 | NA | NA |
Sedentary | |||||||
 Mean min (sd) | 409.9 (69.6) | 413.0 (70.6) | 406.5 (68.4) | T-test | 0.1 | − 14.6 | 1.7 |
 % wear time | 53.2 (7.3) | 53.7 (7.3) | 52.7 (7.3) | T-test | 0.02 | −1.83 | −0.13 |
Light | |||||||
 Mean min (sd) | 263.4 (49.0) | 265.9 (49.5) | 260.8 (48.4) | Rank-sum | 0.048 | NA | NA |
 % wear time | 34.1 (4.9) | 34.4 (4.8) | 33.7 (4.9) | Rank-sum | 0.008 | NA | NA |
Moderate | |||||||
 Mean min (sd) | 70.6 (20.6) | 67.6 (20.0) | 73.8 (20.7) | T-test | < 0.0012 | 3.9 | 8.6 |
 % wear time | 9.2 (2.5) | 8.8 (2.4) | 9.6 (2.5) | T-test | < 0.001 | 0.51 | 1.08 |
Vigorous | |||||||
 Mean min (sd) | 27.6 (13.7) | 24.2 (11.3) | 31.3 (14.9) | Rank-sum | < 0.001 | NA | NA |
 % wear time | 3.6 (1.7) | 3.1 (1.4) | 4.1 (1.9) | Rank-sum | < 0.001 | NA | NA |
Moderate + vigorous | |||||||
 Mean min (sd) | 98.2 (32.3) | 91.7 (29.8) | 105.2 (33.4) | Rank-sum | < 0.001 | NA | NA |
 % wear time | 12.7 (3.9) | 11.9 (3.6) | 13.6 (4.1) | Rank-sum | < 0.001 | NA | NA |