Table 1.

Sample Demographics

	Analysis Sample (N = 2779)
Age: Mean (SD)	14.4 (2.0)
MVPA: Mean (SD)	5.8 (4.7)
Race-Sex Groups: N (%)
Boys	1302 (46.9%)
White	277 (10.0%)
African American	378 (13.6%)
Hispanic	252 (9.1%)
Asian	260 (9.4%)
Mixed or Other	135 (4.9%)
Girls	1477 (53.1%)
White	248 (8.9%)
African American	428 (15.4%)
Hispanic	311 (11.2%)
Asian	293 (10.5%)
Mixed or Other	197 (7.1%)
Parent Education: N (%)
Less than High School	616 (23.4%)
High School	556 (21.1%)
Some College	748 (28.4%)
Bachelor’s Degree	476 (18.1%)
Advanced Degree	239 (9.1%)
Parent Income: N (%)
Less than $20,000	846 (37.6%)
$20,000 – $34,999	516 (22.9%)
$35,000 – $49,999	351 (15.6%)
$50,000 – $74,999	266 (11.8%)
$75,000 – $99,999	137 (6.1%)
$100,000 or more	137 (6.1%)