Table 4.
Observed number of mesotheliomas of the peritoneum among men and women in Sweden and SIRs for three time periods; 1961-1974, 1975-1989, and 1990-2009
| NYK | Occupational title | 1961-1974 |
1975-1989 |
1990-2009 |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Obs | SIR | 95% CI | Obs | SIR | 95% CI | Obs | SIR | 95% CI | ||
| Exposed to chemical agents, men | ||||||||||
| 754 | Plumbers and pipe fitters | 0 | 0.00 | 0.00, 30.60 | 2 | 3.11 | 0.38, 11.3 | 4 | 4.34 | 1.18, 11.10 |
| 761 | Electrical fitters and wiremen | 0 | 0.00 | 0.00, 19.70 | 1 | 0.93 | 0.02, 5.18 | 6 | 3.14 | 1.15, 6.85 |
| 791 | Bricklayers | 1 | 7.89 | 0.20, 43.90 | 3 | 5.85 | 1.21, 17.10 | 2 | 4.28 | 0.52, 15.50 |
| 794 | Insulators | 3 | 346.21 | 71.40, 1,012.00 | 3 | 65.27 | 13.50, 191.00 | 2 | 29.01 | 3.51, 105.00 |
| Unexposed to chemical agents, women | ||||||||||
| 661 | Sorting clerks and postal workers | 0 | 0.00 | 0.00, 454.00 | 0 | 0.00 | 0.00, 85.20 | 2 | 12.16 | 1.47, 43.90 |
SIR, standardized incidence ratio; NYK, Nordic Occupational Classification; Obs, observed; CI, confidence interval; n.e.c., not elsewhere classified.