Table 2 General characteristics and working conditions of OEM residents according to training institution and residency year

Gender ^b

 Male

70 (79.5)

5 (55.6)

65 (82.3)

0.060

35 (76.1)

35 (83.3)

0.400

 Female

18 (20.5)

4 (44.4)

14 (17.7)

11 (23.9)

7 (16.7)

Age ^c

31.7 ± 3.6

31.6 ± 2.8

31.8 ± 3.7

0.847

31.2 ± 3.8

32.4 ± 3.2

0.119

Working region ^b

 Seoul metropolitan area

45 (51.1)

9 (100.0)

35 (44.9)

0.001

27 (58.7)

18 (42.9)

0.138

 Other areas

43 (48.9)

0 (0.0)

43 (55.1)

19 (41.3)

24 (57.1)

Other Specialty before OEM? ^b

 Yes: practiced other specialty first

2 (2.4)

0 (0.0)

2 (2.6)

1.000

0 (0.0)

2 (5.0)

0.218

 No: directly into OEM

83 (97.6)

9 (100.0)

74 (97.4)

45 (100.0)

38 (95.0)

Working time (hours/day)^c

9.7 ± 1.8

9.6 ± 1.5

9.7 ± 1.8

0.968

9.5 ± 1.4

10.0 ± 2.1

0.176

Sleeping time (hours/day)^c

6.6 ± 1.1

6.8 ± 1.3

6.5 ± 1.1

0.735

6.6 ± 1.1

6.5 ± 1.1

0.678

Off-site work (days/week) ^c

3.0 ± 1.5

2.1 ± 1.2

3.0 ± 1.5

0.066

2.4 ± 1.2

3.4 ± 1.5

0.001

Major responsibility when working outside the institution ^b

 Health examinations

47 (63.5)

0 (0.0)

47 (74.2)

0.000

25 (69.4)

22 (57.9)

0.029

 Health management services

10 (13.5)

0 (0.0)

10 (15.2)

1 (2.8)

9 (23.7)

 Research or epidemiological surveys

17 (23.0)

8 (100.0)

9 (13.6)

10 (27.8)

7 (18.4)

Did you undergo clinical training? ^b

 Yes

67 (77.9)

5 (55.6)

62 (80.5)

0.088

29 (64.4)

38 (92.7)

0.002

 No

19 (22.1)

4 (44.4)

15 (19.5)

16 (35.6)

3 (7.3)