TABLE 1

Participant Characteristics According to Gender

Male (N = 467)Female (N = 540)P
Sedentary time (<100 cpm), mean ± SD, min465.9 ± 57.3494.8 ± 58.0<.01
MVPA (≥2000 cpm), mean ± SD, min83.3 ± 25.962.6 ± 19.8<.01
SDQ total score, mean ± SD12.9 ± 5.712.4 ± 5.7.19
Age, mean ± SD, y10.9 ± 0.4110.9 ± 0.40.25
Weight, mean ± SD, kg38.5 ± 8.310.3 ± 9.7.01
Height, mean ± SD, m1.4 ± 0.071.4 ± 0.07.08
BMI SD score, mean ± SD0.37 ± 1.10.30 ± 1.2.31
Daylight time (after 3 pm), mean ± SD, min194.9 ± 86.4196.1 ± 86.2.76
IMD score, mean ± SD26.1 ± 18.125.5 ± 16.9.59
Television use, n (%)
    None9 (1.9)13 (2.4).22
    1 h/d144 (30.8)176 (32.6)
    2 h/d173 (37.0)204 (37.8)
    3 h/d77 (16.5)87 (16.1)
    4 h/d30 (6.4)37 (6.9)
    5 h/d12 (2.6)10 (1.9)
    >5 h/d22 (4.7)13 (2.4)
Computer use, n (%)
    None64 (13.7)82 (15.2).01
    1 h/d185 (39.6)259 (48.0)
    2 h/d147 (31.5)129 (23.9)
    3 h/d40 (8.6)45 (8.3)
    4 h/d10 (2.1)12 (2.2)
    5 h/d8 (1.7)5 (0.9)
    >5 h/d13 (2.8)8 (1.5)
Pubertal status, n (%)
    198 (20.8)88 (16.3)<.01
    2190 (40.7)125 (23.1)
    3160 (34.3)284 (52.6)
    418 (3.9)42 (7.8)
    51 (0.2)1 (0.2)