Table 3.
Comparison of the occurrence of stunting, underweight, overweight and obesity between summer and winter in boys, girls and the total sample: 530 apparently healthy children aged 5–18 years from six Iranian provinces with a latitudinal gradient from 29°N to 37·5°N (summer, August–September; winter, February–March)
| Boys | Girls | Total sample | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Winter | Summer | Winter | Summer | Winter | Summer | ||||||||||
| n | % | n | % | P value | n | % | n | % | P value | n | % | n | % | P value | |
| HAZ (%) | |||||||||||||||
| <−2 | 10 | 3·9 | 8 | 3·1 | 0·69 | 11 | 4·0 | 5 | 1·8 | 0·03 | 21 | 3·9 | 13 | 2·4 | 0·04 |
| >−2 | 249 | 96·1 | 251 | 96·9 | 249 | 96·0 | 270 | 98·2 | 513 | 96·1 | 521 | 97·6 | |||
| BMIZ (%) | |||||||||||||||
| Underweight, <−2 | 20 | 7·9 | 20 | 7·9 | 0·22 | 16 | 5·9 | 14 | 5·3 | 0·77 | 36 | 6·9 | 34 | 6·6 | 0·46 |
| Normal, −2 to+1 | 174 | 68·8 | 179 | 70·5 | 205 | 76·2 | 199 | 76·0 | 379 | 72·6 | 378 | 73·3 | |||
| Overweight, +1 to +2 | 45 | 17·8 | 46 | 18·1 | 41 | 15·2 | 42 | 16·0 | 86 | 16·5 | 88 | 17·1 | |||
| Obese, >+2 | 14 | 5·5 | 9 | 3·5 | 7 | 2·6 | 7 | 2·7 | 21 | 4·0 | 16 | 3·1 | |||
HAZ, height-for-age Z-score; BMIZ, BMI-for-age Z-score.