Percentage distribution of gender and fraction of full position and mean and SD for age according to work schedule in a sample of 1462 nurses, as well as number of shifts with less than 11 h in between in two- and three-shift rotational workers
| Permanent day | Two-shift rotation | Permanent night | Three-shift rotation | |||||
|---|---|---|---|---|---|---|---|---|
| % | (n) | % | (n) | % | (n) | % | (n) | |
| Gender | ||||||||
| Male | 9.8 | (16) | 7.7 | (31) | 14.8 | (18) | 8.3 | (63) |
| Female | 90.2 | (148) | 92.3 | (374) | 85.2 | (104) | 91.7 | (695) |
| Fraction of full position* | ||||||||
| 50%–75% | 9.6 | (16) | 24.4 | (99) | 68.5 | (85) | 26.2 | (199) |
| 76%–90% | 14.5 | (24) | 15.8 | (64) | 16.1 | (20) | 15.3 | (116) |
| >90% | 75.9 | (126) | 59.9 | (243) | 15.3 | (19) | 58.6 | (445) |
| Mean | (SD) | Mean | (SD) | Mean | (SD) | Mean | (SD) | |
| Age* | 36.8 | (8.3) | 35.0 | (9.5) | 34.0 | (7.4) | 33.4 | (7.6) |
| Shift >11 h between | 50.5 | (38.3) | 48.4 | (34.6) | ||||
*p<0.0005.