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Table 1 Baseline characteristics of physicians and comparison groups

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

Characteristics

Physicians

General adults

Pre-matched sample

Post-matched sample

n = 1,686

%

n = 81,627

%

Pvalue

n = 1,686

%

Pvalue

Age (years)

       

 25–34

651

38.6

38,478

47.1

<0.001

650

38.6

0.96

 35–44

619

36.7

30,997

38

 

621

36.8

 

 45–54

305

18.1

11,116

13.6

 

311

18.4

 

 55–64

111

6.6

1,036

1.3

 

104

6.2

 

Sex

        

 Female

236

14

27,342

33.5

<0.001

237

14.1

0.96

 Male

1,450

86

54,285

66.5

 

1,449

85.9

 

Major diseases

        

 No

1,636

97

79,148

97

0.87

1,640

97.3

0.68

 Yes

50

3

2,479

3

 

46

2.7

 

Urbanicity

        

 Urban

1,214

72

58,372

71.5

0.11

1,215

72.1

1.00

 Suburban

401

23.8

20,489

25.1

 

401

23.8

 

 Rural

71

4.2

2,766

3.4

 

70

4.2

 

Residential region

        

 North

824

48.9

53,031

65

<0.001

823

48.8

0.98

 Central

335

19.9

10,552

12.9

 

332

19.7

 

 South

485

28.8

16,829

20.6

 

485

28.8

 

 East

42

2.5

1,215

1.5

 

46

2.7