Table 2.

Minutes of activity at each of the various intensities in normal-weight and at-risk-of-overweight and overweight adolescent girls

	Weekday			Weekend
Intensity of activity	Normal-weight girls* (n = 1043)	At-risk and overweight girls† (n = 534)	p	Normal-weight girls* (n = 1043)	At-risk and overweight girls† (n = 534)	p
Sedentary	495 (6.9)	510 (7.2)	<0.001	356 (5.2)	363 (6.0)	0.156
Light	358 (5.6)	349 (5.9)	0.008	308 (4.1)	309 (4.7)	0.777
Moderate	20.4 (1.2)	18.9 (1.3)	0.002	14.2 (0.4)	12.8 (0.5)	0.005
Vigorous	6.4 (0.6)	5.2 (0.6)	<0.001	5.0 (0.2)	3.9 (0.3)	0.001
Moderate + vigorous	26.9 (1.7)	24.1 (1.8)	<0.001	19.2 (0.5)	16.7 (0.7)	0.001
Hours monitored	14.7 (0.4)	14.7 (0.5)	0.211	11.4 (0.1)	11.5 (0.1)	0.371

Values reported as mean (standard error) at each intensity level. Analysis controlled for site, school (site), and race.

^*Normal-weight defined as BMI < 85th percentile, including some (2.92%) underweight girls (<5th percentile).

^†At-risk and overweight defined as BMI ≥ 85th percentile.