. Author manuscript; available in PMC: 2012 Sep 1.

Published in final edited form as: Psychol Addict Behav. 2011 Sep;25(3):405–414. doi: 10.1037/a0022439

Table 3.

Summary of Hierarchical Regression Moderation Analyses Examining the Interaction Between Alcohol Use Disorder History and Avoidance Coping in the Full Sample of MVA Victims ^a,^b,^c

Step and Variables	B	SE B	95% CI	β	ΔR2
6-Week Follow Up (N=238)
*Step 1*
IES-R PTSS	7.72	1.06	5.63, 9.81	0.37***
Gender	3.94	2.16	−0.31, 8.20	0.09⁺
Depression	26.90	3.22	20.56, 33.24	0.43***	0.42***
*Step 2*
IES-R PTSS	5.79	1.01	3.81, 7.77	0.28***
Gender	5.62	1.99	1.69, 9.55	0.13**
Depression	22.75	3.00	16.84, 28.66	0.37***
AUD	10.41	2.07	6.33, 14.49	0.23***
AVC	5.39	1.02	3.38, 7.40	0.26***	0.11***
*Step 3*
IES-R PTSS	5.93	1.00	3.96, 7.90	0.28***
Gender	5.55	1.98	1.65, 9.45	0.13**
Depression	22.00	2.99	16.11, 27.90	0.35***
AUD	10.34	2.05	6.29, 14.38	0.23***
AVC	4.23	1.14	1.98, 6.48	0.20***
AUD x AVC	4.79	2.18	0.49, 9.10	0.11*	0.01*

6-Month Follow Up (N=182)
*Step 1*
IES-R PTSS	5.83	1.12	3.61, 8.04	0.30***
Gender	6.54	2.19	2.23, 10.86	0.17**
Depression	26.83	3.39	20.13, 33.53	0.46***	0.46***
*Step 2*
IES-R PTSS	3.78	1.11	1.59, 5.96	0.19**
Gender	6.54	2.07	2.45, 10.63	0.17**
Depression	23.51	3.21	17.18, 29.84	0.40***
AUD	4.15	2.32	−0.42, 8.72	0.09⁺
AVC	5.77	1.09	3.61, 7.93	0.30***	0.08***
*Step 3*
IES-R PTSS	3.89	1.10	1.71, 6.07	0.20**
Gender	6.49	2.06	2.42, 10.56	0.17**
Depression	23.45	3.19	17.15, 29.75	0.40***
AUD	4.08	2.31	−0.47, 8.63	0.09⁺
AVC	4.82	1.23	2.39, 7.24	0.25***
AUD x AVC	3.86	2.32	−0.72, 8.44	0.10⁺	0.01+

CI = confidence interval; AUD = alcohol use disorder history; AVC = avoidance coping; IES-R = Impact of Event Scale-Revised; PTSS = posttraumatic stress symptoms

Gender was dummy coded such that a value of 0 = male and a value of 1 = female

+ p < 0.10, *p < 0.05, **p < 0.01, *** p < 0.001