Table 1 General characteristics according to IES-R-K in 2006 (N = 185)

Age^a

38.32 ± 6.16

40.31 ± 6.21

0.039

Task (N/%)

0.446

  Firefighting

64 (66.0)

33 (34.0)

  Emergency medical service

14 (53.8)

12 (46.2)

  Rescue

5 (45.5)

6 (54.5)

  Driver

13 (65.0)

7 (35.0)

  Desk work

24 (77.4)

7 (22.6)

Job duration^a

0.017

11.68 ± 6.80

14.25 ± 7.05

Smoking (%)

0.748

  Smoker

16 (72.7)

6 (27.3)

  Ex-smoker

27 (64.3)

15 (35.7)

  Non-smoker

77 (63.6)

44 (36.4)

Exercise (%)

0.516

  No

19 (73.1)

7 (26.9)

  Yes

101 (63.5)

58 (36.5)

Alcohol use (≥1 / week)

0.126

  No

96 (66.7)

48 (33.3)

  Yes

24 (60.0)

17 (41.5)