Table 3

Health service utilization by NCMS membership and income group

Low income group

Middle income group

High income group


Non-NCMS

NCMS

Non-NCMS

NCMS

Non-NCMS

NCMS


Outpatient service utilization rate (%)

39.4

(86/218)

38.5

(617/1603)

43.5

(54/124)

38.6

(641/1661)

33.6

(38/113)

38.8

(702/1812)

RR: 1.13

95%CI: 0.90-1.42

RR: 0.95

95%CI: 0.73-1.24

RR: 1.24

95%CI: 0.91-1.69


Admission rate (%)

3.9

(30/762)

5.2

(312/6005)

4.3

(22/506)

5.0

(348/7012)

2.5

(11/438)

4.4

(345/7872)

RR: 1.39

95%CI: 0.97-2.00

RR: 1.16

95%CI: 0.76-1.76

RR: 1.84

95%CI: 1.03-3.28


LOS (days)

7.00

10.05

7.86

7.97

9.36

11.32

Coefficient: 0.080

95%CI: -0.045, 0.205

Coefficient: 0.257

95%CI: -0.051, 0.190

Coefficient: -0.012

95%CI: -0.224, 0.199


RR and 95% CI for outpatient and inpatient service utilization are from Poisson regression results.

Coefficient and 95% CI for LOS are from log-linear regression results.

Yu et al. BMC Health Services Research 2010 10:116   doi:10.1186/1472-6963-10-116

Open Data