Table 1.
Descriptive characteristics of subjects
| Jinan Asian |
NYC Asian | NYC Caucasian | NYC African American | |||||
|---|---|---|---|---|---|---|---|---|
| Boys (n = 148) | Girls (n = 99) | Boys (n = 74) | Girls (n = 69) | Boys (n = 66) | Girls (n = 55) | Boys (n = 42) | Girls (n = 52) | |
| Age, yr | 7.11±2.23 | 5.99±1.94 | 8.11±1.54 | 7.77±1.42 | 7.88±1.59 | 8.16±1.46 | 7.76±1.61 | 7.77±1.49 |
| Weight, kg | 32.46±13.53 | 25.05±8.23 | 31.84±8.57 | 27.67±6.85 | 30.77±9.99 | 29.64±9.18 | 32.43±12.14 | 30.34±8.40 |
| Height, cm | 128.79±14.43 | 120.51±13.70 | 131.55±9.93 | 127.17±8.69 | 131.34±10.84 | 130.53±10.97 | 131.06±11.26 | 129.46±9.99 |
| BMI, kg/m2 | 18.76±4.63 | 16.86±2.92 | 18.11±2.94 | 16.90±2.56 | 17.40±3.17 | 17.03±3.13 | 18.44±4.66 | 17.93±3.65 |
| DXA | ||||||||
| TBF, kg | 10.64±8.49 | 7.57±5.03 | 7.19±4.50 | 6.53±4.14 | 5.87±5.12 | 6.64±5.10 | 6.60±7.45 | 7.07±5.76 |
| PBF, % | 28.43±11.89 | 27.81±9.06 | 20.96±8.55 | 22.00±8.46 | 16.87±8.68 | 20.51±7.71 | 16.68±11.36 | 21.19±9.96 |
All values are given as means ± SD (unadjusted); n = 330 boys and 275 girls. NYC, New York City; BMI, body mass index; DXA, dual-energy X-ray absorptiometry; TBF, total body fat; PBF, percent body fat.