The severity of perceived stress associated with community violence exposure and its role in future posttraumatic stress: findings from a longitudinal study of U.S. adolescents

Table 1 Demographic characteristics of the study participants by sex, assessed with Chi-square tests and an independent sample t-test

	All	Females	Males	Statistics
	760	390 (51.3%)	370 (48.7%)
Ethnicity, n (%)
African American	481 (63.3%)	246 (63.1%)	235 (63.5%)
Hispanic	182 (23.9%)	96 (24.6%)	86 (23.2%)
White	82 (10.8%)	45 (11.5%)	37 (10.0%)
Other	15 (2.0%)	3 (0.8%)	12 (3.3%)	χ2 = 8.56^ns
Age, M (SD)	14.00 (0.66)	14.00 (0.67)	14.00 (0.65)	t = 0.57^ns
Socioeconomic status, n (%)
Full price	279 (36.7%)	139 (35.6%)	140 (38.2%)
Reduced lunch cost	88 (11.6%)	37 (9.5%)	51 (13.8%)
Free lunch	393 (51.7%)	214 (54.9%)	179 (48.4%)	χ2 = 4.83^ns

ISSN: 1753-2000