TABLE 1.

Descriptive characteristics of participants

Characteristic	Total (n=1235)	Boys (n=659)	Girls (n=576)
Ethnicity
Non-Hispanic white	24.4	24.8	23.9
Hispanic	36.4	34.3	38.8
Non-Hispanic black	35.3	37.5	32.8
Other	4.0	3.5	4.6
Age, years
12–13	28.3	29.3	27.1
14–16	36.9	36.3	37.7
17–19	35.0	34.5	35.2
MVPA, min/day
0–14	51.8	34.8	71.1
15–29	25.9	30.5	20.7
30–59	17.9	27.0	7.6
≥60	4.4	7.8	0.6

Data presented as %. MVPA Moderate-to-vigorous physical activity