A comparison of olanzapine and risperidone on the risk of psychiatric hospitalization in the naturalistic treatment of patients with schizophrenia

Table 3 Results of the regression models for comparing the treatment groups on days hospitalized and hospitalization rates

	GLM model Days hospitalized		Logistic regression model Patients hospitalized (%)
	Coefficient	P-Value	Coefficient	P-Value
Gender (Male = 1)	-0.10364	0.5499	-0.2017	0.2666
Age at illness onset	-0.01344	0.1529	0.0325	0.1259
Age at baseline	0.00824	0.9302	0.00791	0.6474
White (=1)	-0.15644	0.6138	0.1781	0.4967
African-American (=1)	-0.33460	0.2819	0.3623	0.1789
Prior antipsychotic drug use (Y = 1)*	-0.08674	0.6244	-0.2275	0.2163
Prior mood stabilizer use (Y = 1)*	-0.05773	0.7545	0.1397	0.4617
Prior depot use (Y = 1)*	-0.24455	0.2276	-0.2159	0.3391
Prior psychiatric hospitalization (Y = 1)*	1.89301	<0.0001	0.7779	<0.0001
Adjusted R-square	0.2331		0.1891

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