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Table 1 Weekly working hours by study subjects’ characteristics

From: The Association between Long Working Hours and Self-Rated Health

Variables

 

Total

Weekly working hours

 

≤40

40 < × ≤ 52

52 < × ≤ 60

>60

  

N Mean ± SD

%*Mean ± SD

%*Mean ± SD

%*Mean ± SD

%*Mean ± SD

Total

 

3,699

29.7

39.7

19.7

10.9

 

48.8 ± 12.5

36.8 ± 6.8

47.0 ± 2.8

57.1 ± 2.8

73.5 ± 11.0

Gender

Male

2,400

28.5

39.7

20.7

11.1

 

49.2 ± 12.7

36.7 ± 6.8

47.0 ± 2.8

57.1 ± 2.8

74.1 ± 11.9

 

Female

1,299

31.8

39.9

17.8

10.5

 

48.2 ± 12.0

36.9 ± 6.9

46.9 ± 2.8

57.3 ± 2.8

72.3 ± 8.7

Age

25-34

1,248

30.0

41.2

18.7

10.1

  

48.7 ± 12.0

37.5 ± 6.3

47.0 ± 2.8

57.2 ± 2.8

73.4 ± 11.6

 

35-44

1,139

28.9

40.5

19.9

10.7

  

49.1 ± 12.8

36.7 ± 7.1

47.1 ± 2.7

57.0 ± 2.8

74.9 ± 11.7

 

45-54

897

29.9

37.1

20.8

12.2

  

49.0 ± 12.7

36.3 ± 6.9

47.0 ± 2.8

57.1 ± 2.8

72.4 ± 10.3

 

55-64

415

30.4

38.8

19.5

11.3

  

48.4 ± 12.6

36.0 ± 7.2

46.4 ± 2.7

57.3 ± 2.8

72.9 ± 8.3

Occupation

Non-manual

1,802

31.8

43.2

16.1

8.9

 

47.8 ± 11.7

37.2 ± 6.6

46.7 ± 2.8

57.1 ± 2.8

73.6 ± 10.4

 

Manual

1,897

27.6

36.5

23.0

12.9

 

49.9 ± 13.1

36.3 ± 7.0

47.3 ± 2.7

57.2 ± 2.8

73.5 ± 11.4

Employment type

Regular worker

2,767

28.4

40.9

19.6

11.1

 

49.1 ± 12.4

37.2 ± 6.6

46.9 ± 2.8

57.0 ± 2.8

73.9 ± 11.2

 

Irregular worker

932

33.4

36.2

19.9

10.5

 

48.0 ± 12.8

35.9 ± 7.3

47.0 ± 2.7

57.4 ± 2.8

72.5 ± 10.1

Shift work

No

3,330

30.3

40.0

19.3

10.4

  

48.5 ± 12.4

36.7 ± 6.9

46.9 ± 2.8

57.1 ± 2.8

73.3 ± 11.0

Yes

369

24.1

37.4

22.8

15.7

 

51.6 ± 13.1

38.0 ± 5.1

47.2 ± 2.8

57.1 ± 2.7

74.8 ± 10.6

Tenure

≤1

988

28.9

41.0

18.8

11.3

(years)

 

49.0 ± 12.7

36.6 ± 6.7

47.1 ± 2.8

57.4 ± 2.8

74.0 ± 10.7

 

1 < × ≤ 10

2,013

29.6

38.3

20.4

11.7

  

49.1 ± 12.8

36.8 ± 7.1

47.0 ± 2.7

57.1 ± 2.7

73.5 ± 11.6

 

>10

698

30.8

42.2

18.8

8.2

  

47.8 ± 11.1

37.1 ± 6.2

46.8 ± 3.0

56.8 ± 2.8

72.6 ± 8.6

  1. *: row percentage, †SD: standard deviation.