Table 1 Characteristics of study participants
From: Group-based physical activity trajectories in children transitioning from elementary to high school
Characteristic | Total n = 652 | Males n = 297 | Females n = 355 | p-value* |
|---|---|---|---|---|
Age (Mean ± SD), years | 10.6 (0.5) | 10.6 (0.5) | 10.5 (0.5) | .82 |
Race (%) | ||||
Black | 36.2% | 39.1% | 33.8% | .53 |
White | 37.9% | 35.7% | 39.7% | |
Hispanic | 9.2% | 9.4% | 9.0% | |
Other | 16.7% | 15.8% | 17.5% | |
Parent Education, % Beyond high school | 57.8% | 56.1% | 59.9% | .32 |
Maturity index at baseline, (Mean ± SD) | −1.63 (1.11) | −2.61 (0.6) | −0.81 (0.7) | <.001 |
BMI at baseline, (Mean ± SD) | 21.2 (5.0) | 20.7 (4.9) | 21.6 (5.0) | .03 |
Physical activity Min/hr., (Mean ± SD) | ||||
5th, n = 652 | 28.3 (4.5) | 29.3 (4.7) | 27.5 (4.2) | <.001 |
6th, n = 617 | 24.3 (4.5) | 25.9 (4.2) | 23.0 (4.3) | <.001 |
7th, n = 616 | 22.7 (4.6) | 24.2 (4.5) | 21.4 (4.4) | <.001 |
9th, n = 230 | 19.4 (5.5) | 21.3 (6.3) | 19.9 (4.2) | <.001 |
11th,n = 207 | 18.9 (6.5) | 21.3 (7.1) | 17.2 (5.4) | <.001 |