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Table 6 Multiple logistic regression for prediction of usage of X-ray

From: Investigating the utilization of radiological services by physician patients: a population-based cohort study in Taiwan

Variables

Odds ratio

95% CI

Pvalue

Physicians

   

 No

1.00

  

 Yes

0.85

0.72–0.99

0.04

Age (y)

   

 25–34

1.00

  

 35–44

0.81

0.68–0.97

0.02

 45–54

1.38

1.09–1.75

0.008

 55–65

2.03

1.34–3.07

0.001

Sex

   

 Female

1.00

  

 Male

0.83

0.66–1.05

0.13

Major diseases

   

 No

1.00

  

 Yes

29.21

4.06–210.19

0.001

Urbanicity

   

 Urban

1.00

  

 Suburban

0.94

0.77–1.14

0.54

 Rural

1.24

0.80–1.93

0.33

Residential region

   

 North

1.00

  

 Central

1.27

1.01–1.60

0.04

 South

1.03

0.85–1.24

0.80

 East

1.87

1.04–3.39

0.04

  1. 95% CI: 95% confidence interval.