Table 1.

Study characteristics for girls (N=1232) with and without fitness data

Characteristic	No fitness data	Fitness data	p
	N=446	N=786
	Mean (SD) or percent	Mean (SD) or percent
Age, years	17.7 (0.6)	17.6 (0.6)	.01
BMI, kg/m2	25.2 (6.3)	25.0 (6.4)	.59
Total MET blocks	52.0 (11.8)	54.4 (11.9)	.001
Sedentary blocks (TV, Games, Phone)	5.9 (3.5)	5.9 (3.6)	.92
Median household income	$38,910 ($13,958)	$40,430 ($15,762)	.01
Race, % African-American	53.3%	60.3%	.02
Parent education, >High School	62.6 %	65.3%	.34
Group, % Control	37.7%	47.3%	.001
1+ blocks of VPA, % yes	24.0%	33.1%	.001
Sports participant, % yes	46.4%	56.6%	.001
1+ commercial PAa facilities	26.9%	23.7%	.21

^aPhysical activity