Table 1 Baseline characteristics of the total population, intervention group and business as usual group (N = 125)

Gender (n = 125)

Female

100

81

46

73

54

89

Male

24

19

17

27

7

11

Education (n = 125)

Low

21

17

12

19

9

15

Medium

49

40

21

34

28

46

High

53

43

29

47

24

39

Occupation (n = 125)

Executive

91

74

53

85

38

53

Secretarial or administrative

20

16

4

7

16

26

Policy

7

6

4

7

3

5

Management

5

4

1

1

4

6

Sector (n = 125)

Health care

92

74

52

81

40

66

Education

33

26

12

19

21

34

Shift work (n = 125)

Yes

75

62

47

77

28

54

No

47

38

14

23

33

46

Duration current position in years (n = 125)

0-10

21

17

12

19

19

15

11-20

26

22

12

19

14

24

21-30

36

30

19

31

17

29

31-40

33

27

18

29

15

25

>40

5

4

1

2

4

7

Years paid work (n = 125)

0-10

11-20

15

12

8

13

7

12

21-30

46

37

21

34

25

41

31-40

53

43

31

50

22

36

>40

9

7

2

3

7

11