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Table 5 Fatigue, Dips, Need for Recovery and Chronotype

From: Work, eat and sleep: towards a healthy ageing at work program offshore

 

Total

<45 yrs

45–54 yrs

≥55 yrs

Difference p-values

CIS-8*, mean (sd)

36.36 (4.24)

35.95 (4.07)

36.36 (4.41)

37.58 (4.28)

.085

Dip days (Yes) (N, %)

96 (41)

53 (55)

25 (26)

16 (17)

.358

Dip experience (N, %)

    

.685

 Mentally

41 (39)

24 (41)

10 (33)

7 (44)

 Physically

19 (18)

11 (19)

5 (17)

1 (6)

 Both

46 (43)

23 (40)

15 (50)

8 (50)

NFR°, (scale 0–100)

     

Median IQR

20 (9.09–36.36)

18.18

27.27

18.18

Mean (sd)

26.42 (18.28)

26.57 (18.75)

26.41 (18.25)

24.37 (16.73)

.772

Midsleep duration, mean (sd)

    

 Offshore

2.72 (2.14)

2.93 (2.38)

2.55 (1.86)

2.24 (0.53)

.156

 Free Days

3.75 (0.96)

3.97 (1.04)

3.53 (0.93)

3.63 (0.78)

.348

Sleep duration, mean (sd)

    

 Offshore

7.18 (0.99)

7.21 (1.06)

7.15 (0.94)

7.03 (0.78)

.605

 Free Days

7.82 (1.01)

7.88 (1.06)

7.78 (1.02)

7.74 (0.88)

.235

  1. Due to missing values the sum scores are not equal to the total; *CIS = checklist individual strength; °NFR = need for recovery scores