Table 1.
Demographic and physical characteristics of study subjectsa
| Variables | All children | Hispanics | Black |
|---|---|---|---|
| N |
483 |
333 |
150 |
| Age, y |
10.3 ± 0.99b |
10.3 ± 0.99 |
10.4 ± 0.99 |
| Gender (M/F) |
247/236 |
175/158 |
72/78 |
| Weight, kg |
47.6 ± 16.5 |
48.5 ± 15.2 |
45.7 ± 19.0 |
| Height, cm |
141.9 ± 9.2 |
141.0 ± 9.1 |
144.0 ± 9.2* |
| BMI, kg/m2 |
23.3 ± 6.1 |
24.0 ± 5.4 |
21.6 ± 7.1** |
| BMI z-score |
1.32 ± 1.03 |
1.54 ± 0.87 |
0.82 ± 1.18** |
| Weight status, N (%) |
|
|
|
| Normal |
164 (34.0) |
77 (23.1) |
87 (58)** |
| Overweight |
84 (17.4) |
66 (19.8) |
18 (12.0)** |
| Obese |
235 (48.7) |
190 (57.1) |
45 (30.0)** |
| Low SES (%)c | 93.2 | 95.5 | 88.4* |
a Hispanic and black groups were compared using independent-samples t-test for continuous variables and Pearson Chi-Square for categorical variables. Significant differences between Hispanic and black are indicated as follows: * for P < 0.01 and ** for P < 0.001.
b Mean ± SD.
c SES = socio economic status. Based on qualification for free/reduced cost meals at school and Medicaid.