Table 2.

Proportion of racial and gender differences in adolescent obesity prevalence attributable to weight-related behaviors, school environmental measures, and home/neighborhood environmental measures

	Black girls vs. White girls				Black girls vs. Black boys
	Difference	Model 1	Model 2	Model 3	Difference	Model 1	Model 2	Model 3
Difference in obesity prevalence	11.2				10.5
Proportion “explained”*
Weight-related behaviors		39.1%	23.5%	21.4%		32.4%	30.1%	25.6%
School environment		-	16.5%	15.3%		-	−4.1%	−3.6%
Home/neighborhood environment		-	-	10.6%		-	-	−10.1%
TOTAL		39.1%	40.0%	46.8%		32.4%	26.0%	11.9%

^*Proportion associated with group differences in mean levels of weight-related behaviors, school environmental measures, and home/neighbourhood environmental measures