Table 4

Results of multivariate logistic analyses stratified by self-rated health status: effects of private health insurance on outpatient services utilization after controlling for age and sex

Good self-rated health (n = 2647)

Independent variables

Exp(b)*

CI(95%)

p-value

Age

0.995

(0.989-1.001)

0.112

Sex

0.604

(0.499-0.730)

<0.001

Private health insurance

2.672

(2.129-3.353)

<0.001

Constant

2.803

(1.929-4.073)

<0.001

Fair self-rated health (n = 1863)

Independent variables

Exp(b)*

CI(95%)

p-value

Age

1.002

(0.995-1.008)

0.588

Sex

0.619

(0.494-0.775)

<0.001

Private health insurance

1.521

(1.129-2.050)

0.006

Constant

3.484

(2.252-5.392)

<0.001

Poor self-rated health (n = 461)

Independent variables

Exp(b)*

CI(95%)

p-value

Age

0.997

(0.985-1.010)

0.662

Sex

0.729

(0.442-1.203)

0.215

Private health insurance

1.290

(0.645-2.582)

0.470

Constant

4.416

(2.034-9.588)

<0.001

*Exponential of logistic regression estimated parameter.

Szwarcwald et al. BMC Health Services Research 2010 10:217   doi:10.1186/1472-6963-10-217