Table 2.
BMI Groups by Gender and Grade (N = 1,112)
|
Underweight |
Low average-weight |
High average-weight |
Overweight |
p | |
|---|---|---|---|---|---|
| (< 25th percentile) | (25th ≥ BMI < 50th percentile) | (50th ≥ BMI < 85th percentile) | (BMI ≥ 85th percentile) | ||
|
Girls |
32.7% |
27.5% |
31.3% |
8.5% |
.027 |
|
Boys |
27.7% |
25.1% |
34.0% |
13.2% |
|
|
Grade 7 |
33.6% |
27.2% |
27.2% |
12.0% |
n.s. |
|
Grade 8 |
29.5% |
27.0% |
32.9% |
10.6% |
|
| Grade 9 | 27.6% | 24.7% | 38.8% | 9.0% |
Note. The BMI ranking was assigned using the WHO norms and weight status was classified following Jones & Crawford (2006).