Table 2

Summary of hierarchical regression analysis for variables predicting left hippocampal volume

Model 1Model 2Model 3
VariableBSE(B)βp valueBSE(B)βp valueBSE(B)βp value
Age−5.143.62−0.120.16−5.743.59−0.130.11−6.173.54−0.140.09
Handedness211.6820.220.011241.882.630.250.004238.981.340.240.004
Depression−74.1346.96−0.130.12−57.7147.54−0.100.23−74.9847.38−0.130.12
Substance use56.2264.510.080.3959.465.330.080.3783.1765.120.110.20
Possible TBI10.4361.50.010.8733.8963.160.050.5945.5062.370.060.47
PTSD symptoms−1.681.17−0.130.15−4.931.81−0.390.007
Val/Met−74.3439.87−0.150.06−213.671.51−0.440.003
PTSD × Val/Met3.311.420.410.021
R20.070.100.14
F for Δ R22.082.495.43
  • PTSD = posttraumatic stress disorder; SE = standard error; TBI = traumatic brain injury.