Table 3.

Adjusted logistics regression model

Characteristics	Zero vs. 1 readmission (model 1)		Zero vs. ≥ 2 readmissions (model 2)
	Odds ratio	Confidence interval (95%)	Odds ratio	Confidence interval (95%)
Male	1.37*	1.06-1.77	1.43*	1.17-1.74
Age	0.99	0.99-1.00	0.97*	0.96-0.98
Black	3.27*	1.71-6.27	6.90*	3.41-13.97
Hispanic	1.87	0.86-4.05	2.33*	1.05-5.17
Medicare	1.89*	1.30-2.75	3.58*	2.68-4.81
Medi-Cal	1.36	0.98-1.88	1.70*	1.31-2.20
Self-pay	0.80	0.49-1.32	0.32*	0.12-0.54
CCI 3+	0.53*	0.29-0.97	0.96	0.61-1.50

^*Statistically significant finding (P < 0.05).

Abbreviation: CCI: Charlson Comorbidity Index.