Table 1.
Descriptive Statistics for Study Sample
| Female | N =144 | Male | N = 147 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Median | Min | Max | Mean | SD | Median | Min | Max | p | |
| Age (yr) | 13.0 | 0.27 | 13.0 | 12.5 | 14.4 | 13.0 | 0.26 | 13.0 | 12.5 | 14.4 | 0.711 |
| Maturity offset (yr) | 1.3 | 0.56 | 1.3 | −0.2 | 2.5 | −0.3 | 0.78 | −0.4 | −2.2 | 1.7 | <0.00011 |
| % BF | 25.9 | 7.33 | 24.3 | 15.2 | 45.9 | 22.0 | 9.06 | 19.8 | 8.3 | 45.7 | <0.00011 |
| In-school MVPA (min) | 12.7 | 10.62 | 10.3 | 0.00 | 57.7 | 20.7 | 15.94 | 17.3 | 0.00 | 90.7 | <0.00011 |
| In-school total PA(ct/min) | 192.0 | 91.46 | 180.8 | 28.3 | 574.6 | 238.1 | 109.50 | 218.5 | 67.2 | 694.6 | <0.00011 |
| Non-school MVPA (min) | 28.9 | 27.30 | 20.9 | 0.5 | 199.6 | 50.3 | 35.15 | 43.2 | 0.5 | 254.7 | <0.00011 |
| Non-school total PA(ct/min) | 518.1 | 246.09 | 483.1 | 157.9 | 2100.5 | 662.2 | 261.28 | 618.5 | 221.3 | 1926.9 | <0.00011 |
| Family support | 2.9 | 0.89 | 3.0 | 1.0 | 5.0 | 3.2 | 0.88 | 3.2 | 1.0 | 5.0 | 0.0171 |
| Family do | 2.4 | 1.17 | 3.0 | 1.0 | 5.0 | 2.8 | 1.21 | 3.0 | 1.0 | 5.0 | 0.00631 |
| Family encourage | 3.2 | 1.19 | 3.0 | 1.0 | 5.0 | 3.6 | 1.19 | 4.0 | 1.0 | 5.0 | 0.01341 |
| Family praise | 3.0 | 1.16 | 3.0 | 1.0 | 5.0 | 3.3 | 1.23 | 3.0 | 1.0 | 5.0 | 0.01371 |
| Family transport | 3.3 | 1.36 | 4.0 | 1.0 | 5.0 | 3.3 | 1.37 | 3.0 | 1.0 | 5.0 | 0.87571 |
| Family watch | 2.6 | 1.24 | 3.0 | 1.0 | 5.0 | 2.8 | 1.22 | 3.0 | 1.0 | 5.0 | 0.20541 |
| Friend support | 3.2 | 0.97 | 3.0 | 1.0 | 5.0 | 3.2 | 0.95 | 3.3 | 1.0 | 5.0 | 0.12251 |
| Self-efficacy | 3.9 | 0.83 | 4.0 | 1.0 | 5.0 | 3.9 | 0.74 | 4.0 | 1.0 | 5.0 | 0.08631 |
| Enjoyment | 4.7 | 0.58 | 4.7 | 1.0 | 5.0 | 4.7 | 0.54 | 4.9 | 1.0 | 5.0 | 0.01242
0.00052 |
| School climate | 3.9 | 1.01 | 5.0 | 1.0 | 5.0 | 3.9 | 1.10 | 4.0 | 1.0 | 5.0 | 0.00832
0.00732 |
| Perceived access | 4.5 | 0.89 | 4.5 | 1.0 | 5.0 | 4.5 | 0.75 | 5.0 | 1.0 | 5.0 | 0.02652
0.02412 |
| Perceived safety | 4.6 | 0.82 | 5.0 | 1.0 | 5.0 | 4.6 | 0.78 | 5.0 | 1.0 | 5.0 | 0.56482
0.56212 |
Note. % BF = percentage of body fat. Non-school MVPA = mean daily moderate-to-vigorous physical activity after 3PM on weekdays and mean daily weekend physical activity (all day). Non-school total PA = mean daily total physical activity after 3 PM on weekdays and mean daily weekend physical activity (all day). Index response categories = (1) disagree a lot; (2) disagree a little; (3) neither agree or disagree; (4) agree a little; (5) agree a lot.