Causes of death | Distribution and miscellaneous workers | Cumulative exposure to MMA (Darwen cast sheet production workers) (ppm-y) | p Value for trend3-150 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
0–32 (mean=9.0) | ⩾33 (mean=192.2) | ||||||||||
Obs | RR | Obs | RR | 95% CI | Obs | RR | 95% CI | ||||
All deaths | 71 | 1.0 | 196 | 1.05 | 0.81 to 1.35 | 150 | 1.10 | 0.84 to 1.43 | 0.58 | ||
All malignant neoplasms | 22 | 1.0 | 47 | 0.84 | 0.52 to 1.37 | 53 | 1.28 | 0.80 to 2.04 | 0.05 | ||
Stomach cancer | 1 | 1.0 | 6 | 3.10 | 0.37 to 26.0 | 4 | 2.78 | 0.31 to 24.9 | 0.16 | ||
Colorectal cancer | 3 | 1.0 | 5 | 0.78 | 0.19 to 3.30 | 3 | 0.59 | 0.12 to 2.96 | 0.48 | ||
Cancer of the bronchus, trachea, and lung | 5 | 1.0 | 19 | 1.27 | 0.52 to 3.08 | 20 | 1.81 | 0.76 to 4.30 | 0.11 | ||
Non-malignant respiratory disease | 8 | 1.0 | 17 | 0.73 | 0.32 to 1.63 | 18 | 1.09 | 0.50 to 2.38 | 0.37 |