Structural equation model of factors related to quality of life for community-dwelling schizophrenic patients in Japan

Table 2 Stepwise multiple regression analysis for quality of life (QOL)

			N = 66
QOL dependent variable	Independent variable	Adjusted R²	β
Life in general	Self-esteem	R² = 0.288***	0.463**
	Age at onset		−0.333**
	Self-efficacy (social position and ability)		−0.285*
	Type of medications taken		−0.278*
	Health Locus of Control (family)		0.236*
Physical functioning	BASIS-32 (daily living and role functioning)	R² = 0.300***	−0.557***
Environment	BASIS-32 (daily living and role functioning)	R² = 0.364***	−0.611***
Social skills	BASIS-32 (daily living and role functioning)	R² = 0.551***	−0.494***
	Self-efficacy total		0.275**
	Health Locus of Control (internal)		0.179*
Social relationships	BASIS-32 (relationship to self and others)	R² = 0.430***	−0.556***
Social relationships	Self-efficacy (social position and ability)		0.309**
Psychological functioning	BASIS-32 (daily living and role functioning)	R² = 0.459***	−0.489***
	Self-efficacy total		0.321**
	Age at onset		−0.190*
Total score	BASIS-32 (daily living and role functioning)	R² = 0.476***	−0.537***
Total score	Self-efficacy total		0.249*

BASIS, Behavior and Symptom Identification Scale; QOL, Quality of Life; R2, coefficient of determination.
β, standard partial regression coefficient.
*p < 0.05 **p < 0.01 ***p < 0.001.