Equity in the utilization of physician and inpatient hospital services: evidence from Korean health panel survey

Table 3 Multivariate logistic regression analysis of predictors of inpatient care utilization for Koreans, weighted (2011)

Determinants	Inpatient care utilization
	Stage I		Stage II		Stage III
	Odds ratio	p	Odds ratio	p	Odds ratio	p
	(95 % CI)		(95 % CI)		(95 % CI)
Predisposing:
Age (years)
20–54 vs 0–19	1.121	0.2910	0.979	0.8478	0.713	0.5902
20–54 vs 0–19	(0.907–1.387)		(0.791–1.212)		(0.208–2.441)
20–54 vs 55 +	0.493	<0.0001	0.664	<0.0001	0.723	0.0032
20–54 vs 55 +	(0.429–0.566)		(0.575–0.766)		(0.583–0.897)
Sex
Female vs Male	1.260	<0.0001	1.237	0.0003	1.272	0.0149
Female vs Male	(1.126–1.411)		(1.103–1.399)		(1.048–1.544)
Education
7 + vs 0–6 years	1.55	<0.0001	1.405	<0.0001	1.256	0.0567
7 + vs 0–6 years	(1.360–1.780)		(1.230–1.605)		(0.089–0.561)
Marital status
Others vs Married	1.556	<0.0001	1.480	<0.0001	1.324	0.0125
Others vs Married	(1.353–1.825)		(1.270–1.726)		(1.062–1.651)
Household size
Living alone vs Others	0.887	0.4007	0.814	0.1482	1.231	0.4641
Living alone vs Others	(0.672–1.172)		(0.616–1.076)-		(0.706–2.146)
Need:
Chronic disease
Yes vs No			1.997	<0.0001	2.205	<0.0001
Yes vs No			(1.735–2.298)		(1.782–2.729)
Disability
Yes vs No			1.880	<0.0001	1.910	0.0002
Yes vs No			(1.564–2.259)		(1.353–2.695)
Enabling:
Income
0–30 million vs 30 million +					0.904	0.3931
0–30 million vs 30 million +					(0.717–1.140)
Type of health plan
Health insurance vs Medical aid					0.840	0.4393
Health insurance vs Medical aid					(0.540–1.307)

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