Table 2.
Domain (no.) | Criteria | Recommendation | Compliance n (%) or Mean ± SD |
---|---|---|---|
Total (16) | 11.77 ± 1.22 | ||
Sequence of shifts (9) | 5.79 ± 1.15 | ||
Consecutive shifts | 1. Maximum of 3N in succession | 182 (100.0) | |
2. No permanent night work | 182 (100.0) | ||
3. Maximum of 3D in succession | 63 (34.6) | ||
4. Maximum of 3E in succession | 62 (34.1) | ||
Direction of rotation | 5. Forward rotation (i.e., D–E, D–N, D–N, D–E–N) | 175 (96.2) | |
Particular sequence | 6. At least 1 d (24 h) off after last night shift | 145 (79.7) | |
of shifts | 7. At least 2 d off after last night shift | 38 (20.9) | |
8. No shift work such as “N-off-N” | 140 (76.9) | ||
9. No single working day between days off (i.e., off-D–off) | 67 (36.8) | ||
Duration & distribution of working time (3) | 2.96 ± 0.19 | ||
Working days | 10. Maximum of 5–7 working days in succession | 182 (100.0) | |
Duration of shift | 11. Extended shifts (>8 h) under limited situations | 182 (100.0) | |
Time off | 12. Minimum 11 h of resting time between two shifts | 175 (96.2) | |
Position of working time (5) | 3.02 ± 0.15 | ||
Start of D shift | 13. Not too early | 182 (100.0) | |
End of E shift | 14. Not too late | 182 (100.0) | |
End of N shift | 15. As early as possible | 182 (100.0) | |
Work on weekends | 16. No work on weekendsa | 0 (0.0) | |
17. Free weekends with at least 2 consecutive days offb | 4 (2.2) |
D, day shift; E, evening shift; N, night shift; SD, standard deviation.
Weekend total 13 times during the study period. Weekend off is defined as not working on Saturday and Sunday. A night shift starting on Friday is considered as working on Saturday, a night shift starting on Sunday is considered as working on Monday.
If recommendation No. 15 cannot be fulfilled.