Table 3.

Multivariate linear regression results of county characteristics associated with 30-day behavioral health readmission rate for Medicaid enrollees diagnosed with schizophrenia (N=274 counties, 18 states).

R2=46.3%	Coefficient	Standard Error
County demographic/comorbidity index (case mix adjuster)	.72***	.16
Schizophrenia quality of care
Continuous antipsychotic medication days supply+	.004	.02
Visit continuity (no break > 60 days)	.011	.03
Behavioral health community follow-up within 7 days post hospital discharge++	-.09***	.01
Utilization variables that may affect behavioral health readmission
Behavioral health hospitalization admission rate+	.27***	.07
Average behavioral health hospitalization length of stay ++	.0002	.0007
Community Treatment Capacity—per 100,000 U.S. Census Population
Psychiatrists	.0001	.0002
Free-standing psychiatric care beds	.00005	.0001
Free-standing alcohol/chemical dependency beds	-.0005	.0004
Community mental health centers	-.01ˆ	.007
Federally qualified health centers	-.0004	.002
p. value: * ≤.05 ** ≤.01 *** ≤001 ˆp. value ≤1
Predicted Probability of 30 Day Behavioral Health Readmission for Statistically Significant County-Level Rates Measures (adjusted for case mix) for a County	Predicted Probability (%)	95% CI
Behavioral health community follow-up within 7 days post hospital discharge++
85%	13.3	12.9-13.6
55%	16.1	15.8-16.4
Rate of behavioral health hospitalization admissions in county*
30%	16.7	16.4-17.0
10%	11.3	11.0-11.6

⁺Denominator = all schizophrenia diagnosed enrollees.

⁺⁺Denominator = all schizophrenia diagnosed enrollees with at least one MH/SUD hospitalization.

Results weighted based on the number of schizophrenia-diagnosed enrollees with ≥1 behavioral health hospitalization in each county.