Table 3.

Summary of a Simplified Hierarchical Regression Analysis on Hippocampal Volume Adjusted for ICV

Independent Variables	ΔR2	Adjusted R2	ΔF	Standardized Coefficients β
				Step 1	Step 2	Step 3
Step 1	.010	.002	1.2
Gender				−.090	−.075	−.083
Current Alcohol Use				−.050	−.051	−.063
Step 2	.012	.010	3.0
Lifetime CAPS Score					−.112	.095
Step 3	.020	.026	4.8a
Current CAPS Score						−.250a

N = 242 after exclusion of two current alcohol use outliers. The standardized regression coefficients β are provided for each step of the hierarchical regression.

Abbreviations as in Table 1.

^ap < .05.