Table 1.

Prevalence of PTSD by Sex and Population

Characteristics	PTSD, No. (%)	${\chi }_1^2$	P Value
Sex		12.3	<.001
M (n = 656)	96 (14.6)
F (n = 596)	133 (22.3)
Population		1.3	.26
EA (n = 582)	114 (19.6)
AA (n = 670)	115 (17.1)

Abbreviations: AA, African American; EA, European American; PTSD, posttraumatic stress disorder.