Table 1.
The distribution of BMI status by age and sex: adolescents aged 12–17 years (n 1200), Babol, northern Iran, 2008
| Age | ||||||||
|---|---|---|---|---|---|---|---|---|
| 12–14 years | 15–17 years | Total | ||||||
| Sex | BMI status* | n | % | n | % | n | % | P value† |
| Boys | 0·04 | |||||||
| Underweight | 27 | 8·7 | 11 | 3·8 | 38 | 6·3 | ||
| Normal weight | 204 | 68·0 | 205 | 70·4 | 409 | 68·2 | ||
| Overweight | 51 | 16·5 | 41 | 14·1 | 92 | 15·3 | ||
| Obese | 27 | 8·7 | 34 | 11·7 | 61 | 10·2 | ||
| Girls | 0·25 | |||||||
| Underweight | 21 | 6·1 | 11 | 4·3 | 32 | 5·3 | ||
| Normal weight | 243 | 70·2 | 196 | 77·5 | 439 | 73·3 | ||
| Overweight | 57 | 16·5 | 32 | 12·6 | 89 | 14·9 | ||
| Obese | 25 | 7·2 | 14 | 5·5 | 39 | 6·5 | ||
P < 0·05 considered as statistically significant.
*Determined with the US Centers for Disease Control and Prevention clinical growth charts (2000)( 30 ).
†For the difference in BMI status at age 12–14 years v. 15–17 years.