Prospective cohort studies |
Tüchsen et al35 | 67% | Danish carers of the older population: social, nursing home, home care and healthcare assistants/helpers | Female | N=5627: 1231 evening; 405 night; 748 shifts 3243 days
| 78.7% | Fixed evening, fixed night, rotating shifts | Register: 52 weeks | Incidence of sick leave spells of ≥2 weeks Incidence of sick leave spells of ≥8 weeks
|
Tüchsen et al36 | 67% | Danish working population, random sample | Shift workers: 49% male Day workers: 52% male
| N=5017: 1008 shift workers; 4009 days
| 75% | Irregular working hours | Register: 78 weeks | Proportion of sick leave spells lasting ≥2 weeks Proportion of sick leave spells lasting ≥8 weeks
|
Case-control studies |
Kleiven et al38 | 76% | Norwegian chemical plant workers | Cases: 91.8% male Referents: 91.5% male | Cases/references: N=3580/7582 | NA: Data retrieved from registers | 3-Shift system | Register: 10 years | Sick spells >3 days |
Bourbonnais et al39 | 59% | Canadian nurses with sick leave diagnosed ‘most likely to be related to work load’ | Female | Cases/references: N=184/1165 Schedules: 42/240 evening; 32/154 night; 46/268 shifts, 24/162 unknown; 40/341 days
| NA: Data retrieved from registers | Fixed evening, fixed night and rotating shifts | Register: 3 years 5 months
| Sick spells ≥6 days for full-time workers, ≥8 days for part-time workers |
Cross-sectional studies |
Higashi et al40 | 67% | Japanese chemical fibre and textile workers in production, maintenance and service departments | Male | N=26 324: 13 472 3-shifts; 12 852 days
| NA: Data retrieved from registers | 3-Shift system | Register: 1 year | % Spells/man/year % Number of lost work days/total normal potential work days
|
Niedhammer et al41 | 62% | French workers, random sample from voluntarily participating occupational physicians | 58.2% male | | 96.5% | Shift work without nights, fixed night, shift work including nights | Recall: 12 months | Proportion of workers who had at least 1 sick leave spell of >8 days |
Böckerman and Laukkanen42 | 54% | Finnish workers from all sectors of the economy: mostly blue-collar workers | 58% male | | 69% | Shift and period work as one group | Recall: 12 months | Proportion of workers with ≥2 sick leave days |
Ohayon et al43 | 54% | French psychiatric hospital staff: medical, maintenance, social services and administrative staff | | N=817: 323 2-shift; 52 fixed/rotating night; 442 day
| 40.7% | 2-Shift system, fixed/rotating nights | Recall: 12 months | Proportion of workers who had at least 1 sick day |
Eyal et al44 | 54% | Israeli shift workers in a company: industry unknown | Male | | NA: Data retrieved from registers | Shift work | Register: 12 months | ≥20 accumulated days of registered absence |