Table 1.
Baseline characteristics by community
| Demographic characteristics (%) | Ann Arbor, MI N = 598 N (%) | Ypsilanti, MI N = 135 N (%) | Pvalue |
|---|---|---|---|
| Male (%) | 290 (48.5) | 69 (51.1) | 0.62 |
| Age, year (SD) | 11.55 ± 0.4 | 11.45 ± 1.4 | 0.13 |
| Race/Ethnicity (%) | <0.001 | ||
| Caucasian | 347 (58.8) | 47 (34.8) | |
| African American | 81 (13.7) | 60 (44.4) | |
| Hispanic | 26 (4.4) | 6 (4.4) | |
| Asian | 89 (15.1) | 1 (0.7) | |
| Height, cm (SD) | 150.2 ± 7.7 | 150.6 ± 12.9 | 0.61 |
| Weight, kg (SD) | 45.4 ± 12.1 | 49.2 ± 13.8 | 0.001 |
| BMI, kg/m2 | 19.9 ± 4.1 | 21.2 ± 4.8 | 0.001 |
| Overweight* (%) | 114 (19.4) | 26 (19.3) | 0.56 |
| Obese** (%) | 74 (12.6) | 30 (22.2) | 0.01 |
Notes:
*
Overweight defined as at or beyond the 85th percentile of weight for age and gender;
**
Obese defined as at or beyond the 95th percentile of weight for age and gender.
Abbreviations: BMI, body mass index; MI, Michigan; SD, standard deviation.