. Author manuscript; available in PMC: 2009 Jan 12.

Published in final edited form as: Psychol Med. 2007 Sep 6;38(5):755–763. doi: 10.1017/S0033291707001304

Table 3.

Pearson correlations and regression coefficients of demographic, clinical, and cognitive ability scores on the Social Skills Performance Assessment (SSPA) in patients with schizophrenia (n =194)

Variable	r with	Step 1^a		Step 2^b
	SSPA	β	p	β	p
Demographic characteristics
Age (years)	−.131
Gender	.005
Education, (years)	.141
Ethnic minority status	−.016
Marital status	.018
Living situation	−.044
Clinical characteristics
Duration of illness	−.033
HAM-D	−.002
PANSS-positive symptoms	−.171^*	−.140	.056	−.114	.110
PANSS-negative symptoms	−.145^*	−.107	.143	−.069	.341
Insight (Birchwood)	.237^**	.223	.002	.136	.051
Social Contact (Lehman)	−.176^*	−.177	.013	−.142	.035
Mattis Dementia Rating Scale
Attention (transformed)	.186^**			.023	.753
Initiation/perseveration	.235^***			−.059	.475
Construction	.180^*			.047	.513
Conceptualization	.418^***			.340	<.001
Memory	.312^***			.048	.584

R²=0.123, R² change=0.123, F change=6.262, df=4, 178, p<.001

R²=0.249, R² change=0.126, F change=5.790, df=5, 173, p<.001

p≤.05

^**

p≤.01

^***

p≤.001