Causes and Risk Factors of Repeated Hospitalization among Patients with Diabetic Retinopathy

Table 3

The ordinal logistic regression of factors associated with the times of hospitalizations.

Variables		OR	95% CI		value
			Lower	Upper
Age	-0.047	0.954	0.938	0.970	<0.001
Residence
Outside the city	Ref.
Inside the city	0.667	1.948	1.370	2.773	<0.001
Payment type
Self-pay	Ref.
Medical insurance	0.586	1.797	1.130	2.858	0.013
Marital status
Divorced/widowed	Ref.
Single	-0.045	0.956	0.313	2.921	0.938
Married	0.277	1.319	0.665	2.614	0.428

OR: odds ratios; 95CI%: 95% confidence interval.