Table 1.
Characteristics of the Fifth-Grade Participants by Study Site for the Total Group and by Gender
| |
Site A |
Site B |
||||||
|---|---|---|---|---|---|---|---|---|
| Characteristics | Total (N=344) | Boys (N=158) | Girls (N=186) | p valuea | Total (N=342) | Boys (N=150) | Girls (N=192) | p valuea |
| Age (years)*** |
10.3±0.5 |
10.4±0.5 |
10.3±0.5 |
0.15 |
10.8±0.5 |
10.8±0.5 |
10.7±0.5 |
0.63 |
| BMI (kg/m2) |
21.1±4.9 |
20.7±4.9 |
21.4±4.8 |
0.15 |
21.0±5.1 |
20.7±5.1 |
21.2±5.0 |
0.34 |
| Race/ethnicity (%)** |
|
|
|
0.65 |
|
|
|
0.045 |
| Black |
40.7 |
44.3 |
37.6 |
|
33.9 |
34.7 |
33.3 |
|
| Hispanic |
11.9 |
11.4 |
12.4 |
|
8.2 |
12.7 |
4.7 |
|
| White |
30.2 |
27.9 |
32.3 |
|
42.7 |
38.0 |
46.4 |
|
| Other/mixed race |
17.2 |
16.5 |
17.7 |
|
15.2 |
14.7 |
15.6 |
|
| Parent education (%)* |
|
|
|
0.44 |
|
|
|
0.34 |
| High school or less | 36.3 | 34.2 | 38.2 | 28.7 | 26.0 | 30.7 | ||
p values for the difference between total group at site A and site B: ***p<0.0001; **p<0.01; *p<0.05.
a
p values for the difference between boys and girls at each site.