| PSQI item |
Global score Mean (SD) |
Shift work | *P-value | |
|---|---|---|---|---|
| Fixed | Rotating | |||
| Item 1: Subjective sleep quality | 1.30 (0.63) | 0.99(0.53) | 1.43 (0.62) | 0.001 |
| Item 2: Sleep latency | 1.29 (0.68) | 1.10 (0.59) | 1.37 (0.71) | 0.06 |
| Item 3: Sleep duration | 0.86(0.80) | 0.65 (0.23) | 0.94 (0.86) | 0.19 |
| Item 4: Habitual sleep efficiency | 0.80 (0.57) | 0.65 (0.23) | 0.86(0.66) | 0.08 |
| Item 5: Sleep disturbances | 1.17(0.48) | 0.94 (0.44) | 1.28 (0.47) | 0.001 |
| Item 6: Use of sleeping medication | 0.46 (0.31) | 0.45 (0.23) | 0.47 (0.34) | 0.91 |
| Item 7: Daytime dysfunction | 0.98(0.71) | 0.77(0.57) | 1.07 (0.74) | 0.04 |
| Global score (sum of items) | 6.88(2.18) | 5.62 (1.56) | 7.44 (2.18) | 0.001 |