Average work days lost, injury rates and RRs of injury by socioeconomic status category, stratified by number of work days lost (0 vs ⩾1)
| Occupational class (number of injuries) | Average yearly work days lost per 100 FTEs | Yearly injury rates per 100 FTEs | RR of injury by SES | RR for injuries with no lost work days | RR for injuries with ⩾1 lost work days |
|---|---|---|---|---|---|
| n | Rate (95% CI) | RR (95% CI) | RR (95% CI) | RR (95% CI) | |
| FTE, full-time employee; SES, socioeconomic status. | |||||
| Administrators (7) | 0.7 | 2.5 (1.0 to 5.1) | 1.00 | 1.00 | 1.00 |
| Professionals (32) | 43.1 | 2.3 (1.6 to 3.2) | 0.93 (0.41 to 2.11) | 0.71 (0.29 to 1.77) | 2.24 (0.29 to 17.4) |
| Nurses (107) | 59.6 | 9.2 (8.2 to 10.3) | 3.73 (1.76 to 7.90) | 3.29 (1.46 to 7.40) | 6.40 (0.89 to 46.1) |
| Semiprofessionals (156) | 69.8 | 7.1 (6.0 to 8.3) | 2.87 (1.34 to 6.11) | 2.19 (0.96 to 4.98) | 7.15 (0.99 to 51.6) |
| Skilled workers (218) | 28.6 | 6.4 (5.6 to 7.3) | 2.61 (1.23 to 5.53) | 1.88 (0.83 to 4.25) | 7.19 (1.00 to 51.6) |
| Semiskilled workers (290) | 148.4 | 13.0 (10.6 to 15.7) | 5.26 (2.45 to 11.3) | 2.64 (1.13 to 6.18) | 21.2 (2.91 to 151.5) |