Table 1 Demographic Characteristics of the Sample (N = 1,112)
| Â | Girls (n= 603) | Boys (n= 509) | p | ||
|---|---|---|---|---|---|
Age | 10 – 16 years | 11 – 16 year | .003 | ||
M = 13.32, SD = 0.79 | M = 13.46, SD = 0.83 | ||||
Grade | 36.7% | grade 7 | 33.8% | grade 7 | n.s. |
36.3% | grade 8 | 36.9% | grade 8 | ||
27.0% | grade 9 | 29.3% | grade 9 | ||
BMI | M = 18.63, SD = 2.57 | M = 18.70, SD = 2.73 | n.s. | ||