Table 1 Descriptive statistics for student respondents
Student Characteristic | Females n = 10781[% (n)] | Males N = 10973[% (n)] | Chi-square/t-test (sex differences) |
|---|---|---|---|
Grade | Â | Â | Â |
   9 | 27.3 (2938) | 27.6 (3035) | X 2 = 1.14, p < 0.7670 |
   10 | 26.9 (2902) | 26.4 (2890) |  |
   11 | 23.2 (2499) | 23.0 (2521) |  |
   12 | 22.6 (2442) | 23.0 (2527) |  |
Body Mass Index (BMI) | Â | Â | Â |
   Underweight | 1.3 (145) | 1.7 (181) | X 2 = 77.07, p < .0001 |
   Healthy weight | 80.6 (8685) | 70.3 (7718) |  |
   Overweight | 13.3 (1433) | 19.8 (2171) |  |
   Obese | 4.8 (518) | 8.2 (903) |  |
Mode of Transportation to School | Â | Â | Â |
   Active | 16.8 (1816) | 23.7 (2600) | X 2 = 178.87, p < .0001 |
   Mixed | 24.6 (2650) | 20.2 (2212) |  |
   Inactive | 58.6 (6315) | 56.1 (6161) |  |
Enrolled in school PE | Â | Â | Â |
   Yes | 31.4 (3391) | 38.0 (4163) | X 2 = 100.73, p < .0001 |
   No | 68.6 (7390) | 62.0 (6810) |  |
Participates in school intramurals | Â | Â | Â |
   Yes | 27.9 (3003) | 38.2 (4193) | X 2 = 279.63, p < .0001 |
   No | 72.1 (7778) | 61.8 (6780) |  |
Participates in school varsity teams | Â | Â | Â |
   Yes | 37.5 (4043) | 45.0 (4932) | X 2 = 124.86, p < .0001 |
   No | 62.5 (6738) | 55.0 (6041) |  |
Participates in flexibility activities | Â | Â | Â |
   Less than 3 days per week | 40.4 (4357) | 48.7 (5341) | X 2 = 148.18, p < .0001 |
   At least 3 days per week | 59.6 (6424) | 51.3 (5632) |  |
Participates in strength training | Â | Â | Â |
   Less than 3 days per week | 36.6 (3948) | 27.9 (3056) | X 2 = 191.68, p < .0001 |
   At least 3 days per week | 63.4 (6833) | 72.1 (7917) |  |
Physical Activity Time* | Â | Â | Â |
   Average minutes of moderate to vigorous PA per day | 134.7 (88.1) | 166.8 (101.2) | t = 24.9, p < .0001 |