Table 1.

Sociodemographic characteristics and physical injury.

	Injured Weighted % (n= 1,131)	Not Injured Weighted % (n=9,011)	P-value
Gender			<0.001
Male	58.5%	50.2%
Female	41.6%	49.7%
Age			0.04
13	12.1%	15.7%
14	20.2%	21.1%
15	20.3%	20.6%
16	21.1%	21.0%
17	20.9%	16.3%
18	5.4%	5.4%
Race/Ethnicity			<0.001
Hispanic	9.7%	15.0%
Black	9.6%	15.8%
Other	3.8%	5.1%
White	76.8%	64.1%
Urbanicity			0.12
Metro	49.6%	47.2%
Other Urban	37.7%	37.6%
Rural	12.8%	15.2%
Poverty Index Ratio (Mean, SD)	6.4% (0.3)	6.4% (0.2)	0.92
Parental education			0.06
Less than high school	13.0%	15.8%
High school graduate	27.8%	30.0%
Some college	17.0%	19.8%
College graduate	42.2%	34.4%
Caregiver			0.42
Two biological parents	66.6%	69.0%
Other	33.4%	31.0%

Note. P-values determined by the adjusted Wald test for difference between categories. Mean Poverty Index Ratio refers to mean percent above or below the poverty line. Weighted percent and unweighted n are presented. Abbreviations: SD = standard deviation.