. Author manuscript; available in PMC: 2011 Apr 1.

Published in final edited form as: J Dual Diagn. 2010 Apr 1;6(2):94–110. doi: 10.1080/15504261003701445

TABLE 2.

Correlations Between PTSD Severity Scores and Measures of Substance Use and Abuse (N = 118^a)

	PTSD total severity	Re-experiencing (B symptoms)	Avoidance/numb ing (C symptoms)	Disaggregated C symptoms		Hyperarousal (D symptoms)
				Avoidance	Numbing
Frequency of alcohol consumption	.05	.04	.11	.04	.13	−.03
No. of drinks	.08	.12	.11	.00	.14	−.01
Typical level of alcohol intoxication	.04	.08	.11	.09	.09	−.09
Frequency of drug use	.06	.05	.16	.05	.18	−.07
Frequency of smoking	.19^*	.13	.31^**	.20^*	.30^**	.01
No. of cigarettes per month	.18	.11	.28^**	.20^*	.26^**	.02
RAPI total	.29^**	.20^*	.35^**	.21^*	.34^**	.16
DAST total	.14	.07	.24^**	.16	.23^*	.01
RTQ total	.21^*	.17	.31^**	.20^*	.29^**	.03

Note. N varied slightly for some variables, due to missing data; N = 117 for frequency of smoking, number of cigarettes per month, frequency of drug use, and frequency of alcohol consumption; N = 113 for number of drinks per occasion; and N = 112 for typical level of intoxication.

p < .05

^**

p < .01.

PTSD = post-traumatic stress disorder; RAPI = Rutgers Alcohol Problems Index; DAST = Drug Abuse Screening Test; RTQ = Revised Tolerance Questionnaire.