Table III.

Hierarchical multiple regression analysis using sexual trauma and PTSD symptoms to predict psychopathy severity

	Block 1			Block 2			Block 3
Predictor	B	SE B	β	B	SE B	β	B	SE B	β
Gender	−5.90	3.20	−0.20	−7.17	3.21	−0.24*	−7.03	3.20	−0.24*
Sexual trauma				6.30	3.24	0.21	5.73	3.23	0.19
PTSD symptoms							0.18	0.12	0.16
Model parameters
R 2		0.04			0.08			0.10
Δ R 2		0.04			0.04			0.20
F for ΔR2		3.40			3.85			1.72

Notes: B, unstandardized slope coefficient; SE B, standard of B; β, standardized slope coefficient.

^*p ⩽ 0.05;

^**p ⩽ 0.01;

^***p ⩽ 0.001