. Author manuscript; available in PMC: 2009 Oct 1.

Published in final edited form as: J Anxiety Disord. 2008 Jan 11;22(7):1214–1226. doi: 10.1016/j.janxdis.2008.01.003

Table 1.

Participant Characteristics and Between Group Difference

Variable	Mean	SD	Observed Range	F value	Effect Size (h²)
Age	29.72	11.93	18 – 65	2.10	.05
Education Level ^a	3.10	0.98	1 – 6	2.07	.05
Number Comorbid Diagnoses ^b	1.30	0.89	0 – 3	2.34	.03
*Alcohol Consumption (Q^F)**	5.02	5.03	0 – 20	1.16	.03
AUDIT total	9.12	7.77	0 – 30	0.94	.02

^†

Note: p < .05

p < .01

^**

p < .001

Possible values: 1 = less than high school, 2 = high school/GED, 3 = some college, 4 = college graduate, 5 = some graduate work, 6 = graduate degree

For the PD and PTSD groups only. AUDIT: Alcohol Use Disorders Identification Test (Babor et al., 1992).