Mortality from lung cancer3-151 among male chrome platers by employment3-152 and by duration of employment exposed to chrome, 1972–97
| Duration of employment exposed to chrome | Employment3-152 | Total (n=920) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current chrome platers (n=255) | Former chrome platers (n=665) | ||||||||||
| Obs | Exp | SMR (95%CI) | Obs | Exp | SMR (95% CI) | Obs | Exp | SMR (95% CI) | |||
| 3–11 (m) | 0 | 0.44 | 0 — | 113-150 | 4.87 | 226 (113 to 404) | 113-150 | 5.31 | 207 (103 to 371) | ||
| 1–4 (y) | 5 | 1.88 | 265 (86 to 619) | 143-150 | 7.02 | 199 (109 to 335) | 193-160 | 8.90 | 213 (129 to 333) | ||
| ⩾5 (y) | 12 | 7.53 | 159 (82 to 279) | 7 | 5.96 | 117 (47 to 242) | 19 | 13.49 | 141 (85 to 220) | ||
| Unknown | 1 | 0.13 | 755 — | 103-150 | 4.62 | 216 (104 to 398) | 113-150 | 4.75 | 232 (116 to 414) | ||
| Total | 183-150 | 9.98 | 180 (107 to 285) | 423-165 | 22.47 | 187 (135 to 253) | 60 | 32.463-165 | 185 (141 to 238) | ||