Table 1 Descriptive statistics

Colonoscopy

776.49

934.62

100

5000

Cholecystectomy

3235.55

3734.27

100

25,000

Coronary stent

2742.30

3316.18

150

20,000

Pacemaker

3178.52

3868.15

100

20,000

General human capital

2.96

1.51

1

6

Job-specific human capital

14.25

10.58

1

42

Domain-specific human capital^a

2.92

1.16

1

6

Own training in economics

3.14

1.67

1

6

Thinking economically when using material

4.56

1.23

1

6

Job-Stress^a

4.24

1.16

1

6

Cost-related stress

3.07

1.52

1

6

Gender

0.54

0.49

0

1

Physician

0.54

0.51

0

1

Supervisory position

0.28

0.45

0

1