Table 3.
Body composition of the studied population: Iranian children aged 9–18 years, Fars Province, autumn and winter of 2011
| Total | Boys | Girls | |||||
|---|---|---|---|---|---|---|---|
| Variable | Mean | sd | Mean | sd | Mean | sd | P value* |
| Total body fat percentage | 22·0 | 8·9 | 17·4 | 6·7 | 28·4 | 5·9 | <0·001 |
| Fat mass index (kg/m2) | 4·2 | 2·9 | 3·4 | 3·2 | 5·3 | 2·0 | <0·001 |
| Lean mass index (kg/m2) | 14·4 | 10·6 | 15·5 | 13·8 | 12·9 | 1·6 | 0·04 |
| Total lean mass (g) | 32 219 | 9858 | 35 419 | 11 292 | 28 938 | 6719 | <0·001 |
| Total fat mass (g) | 10 085 | 5545 | 8113 | 4758 | 12 098 | 5577 | <0·001 |
*
P value refers to the comparison of each variable between sexes.