Number of working years

Years

<10 (n = 97)

10 - 19 (n = 88)

20 - 29 (n = 212)

30 - 39 (n = 142)

≥40 (n = 97)

P value

Dietary intakes

Eating breakfast (day shift)

Yes

76 (78.4)

74 (84.1)

168 (79.2)

110 (77.5)

80(82.5)

0.867

No

20 (20.6)

14 (15.9)

38 (17.9)

27 (19.0)

15 (15.5)

Missing

1 (1.0)

0 (0)

6 (2.8)

5 (3.5)

2 (2.1)

Number of balanced meals on day shift

0 - 2

76 (78.4)

53 (60.2)

156 (73.6)

101 (71.1)

53 (54.6)

<0.001

≥3

19 (19.6)

35 (39.8)

49 (23.1)

36 (23.1)

41 (42.3)

Missing

2 (2.1)

0

7 (3.3)

5 (3.3)

3 (3.1)

Intake of balanced meals on night shift

Yes

32 (33.0)

27 (30.7)

55 (25.9)

40 (28.2)

35 (36.1)

0.450

No

62 (63.9)

59 (67.0)

151 (71.2)

96 (67.6)

60 (61.9)

Missing

3 (3.1)

2 (2.3)

6 (2.8)

6 (4.2)

2 (2.1)

Current smoking

Yes

38 (39.2)

34 (38.6)

88 (41.5)

61 (43.0)

49 (50.5)

0.370

No

59 (60.8)

54 (61.4)

120 (56.6)

76 (53.5)

46 (47.4)

missing

0

0

4 (1.9)

5 (3.5)

2 (2.1)

Daily sleeping hours on day shift (hours/day)

<5 h

12 (12.4)

8 (9.1)

23 (10.8)

9 (6.3)

7 (7.2)

0.276

5 - 6 h

30 (30.9)

37 (42.0)

84 (39.6)

57 (40.1)

44 (45.4)

6 - 7 h

40 (41.2)

27 (30.7)

78 (36.8)

59 (41.5)

33 (34.0)

≥7 h

15(15.5)

15 (17.0)

19 (9.0)

12 (8.5)

11 (11.3)

Missing

0

1 (1.1)

8 (3.8)

5 (3.5)

2 (2.1)

Alcohol drinking

daily

60 (61.9)

44 (50.0)

135 (64.6)

64 (45.1)

39 (40.2)

<0.001

1 - 4 days/week

18 (18.6)

18 (20.4)

38 (18.0)

33 (23.2)

19 (19.8)

1 - 2 days/month

13 (13.4)

8 (9.1)

13 (6.1)

3 (2.1)

7 (7.2)

None

6 (6.2)

15 (17.0)

18 (8.5)

37 (26.1)

29 (29.9)

Missing

0

3 (3.4)

8 (3.8)

5 (3.5)

3 (3.1)

Exercise (≥30 mins and ≥twice/week)

Yes

24 (24.7)

26 (29.5)

50 (23.6)

27 (19.0)

29 (29.9)

0.246

No

73 (75.3)

58 (65.9)

153 (72.2)

110 (77.5)

64 (66.0)

Missing

0

4 (4.5)

9 (4.2)

5 (3.5)

4 (4.1)