Table 2.

Summary of Hierarchical Regression Analysis on Hippocampal Volume Adjusted for ICV

Independent Variables	ΔR2	Adjusted R2	ΔF	Standardized Coefficients β for Each Step
				Step 1	Step 2	Step 3	Step 4	Step 5	Step 6	Step 7	Step 8
Step 1	.011	.002	1.28
Age				−.027	−.025	−.045	−.050	−.056	−.071	−.081	−.085
Gender				−.096	−.106	−.116	−.117	−.100	−.085	−.095	−.102
Step 2	.003	.001	.75
Early Life Trauma					.056	.053	.067	.094	.093	.104	.100
Step 3	.010	.003	1.19
Education						.060	.055	.050	.054	.035	.041
Lifetime Alcohol Use						−.068	−.065	−.056	.015	−.005	.000
Step 4	.002	.001	.58
Criterion A Event							−.052	.052	.042	.025	.026
Step 5	.012	.010	3.05
Lifetime CAPS Score								−.162	−.171	.041	.043
Step 6	.020	.018	1.64
Current Alcoholism Use									−.125	−.126	−.130
Current Marijuana Use									−.091	−.065	−.070
Antidepressant Use									.008	.040	.011
Step 7	.019	.033	4.67a
Current CAPS Score										−.257a	−.317a
Step 8	.007	.036	1.75
HAM-D Depression Score											.112

N = 244. The standardized regression coefficients β are provided for each step of the hierarchical regression.

Abbreviations as in Table 1.

^ap < .05.