Table 6.

Summary of Hierarchical Regression Analysis for IIP-32 Dimentions Predicting Overall Severity of Stressful Social Interactions

Model/Predictor variable	B	SE B	β	Adj R2	F change	Within set t	Partial r
1
Covariate				.29	46.07**
Psychiatric disorder	24.86	3.66	.55			6.79**	.55
2
Main effects				.41	6.52**
Hard to be involved	.47	.53	.11			.89	.09
Hard to be assertive	.79	.96	.10			.82	.08
Hard to be supportive	−.04	.88	−.01			.04	−.01
Too aggressive	2.36	.73	.28			3.23**	.30

Note. Interactions among main effects were examined and did not account for additional variance in severity of stressful social interactions.

^**P < .01.