all causes0·20 (0·17 to 0·24)0·26 (0·21 to 0·31)28·93 (22·38 to 34·98)*–0·80 (−4·98 to 2·96)5·76 (4·76 to 6·81)7·22 (5·89 to 8·59)25·48 (18·89 to 31·61)*–2·63 (−6·90 to 1·11)··Tracheal, bronchus, and lung cancer0·20 (0·17 to 0·24)0·26 (0·21 to 0·31)28·93 (22·38 to 34·98)*–0·80 (−4·98 to 2·96)5·76 (4·76 to 6·81)7·22 (5·89 to 8·59)25·48 (18·89 to 31·61)*–2·63 (−6·90 to 1·11)4Occupational exposure to cadmium: all causes0·46 (0·39 to 0·53)0·61 (0·50 to 0·71)31·38 (24·62 to 37·82)*1·00 (−3·45 to 5·10)13·15 (11·14 to 15·16)16·83 (14·14 to 19·64)28·00 (21·21 to 34·47)*–0·75 (−5·34 to 3·51)··Tracheal, bronchus, and lung cancer0·46 (0·39 to 0·53)0·61 (0·50 to 0·71)31·38 (24·62 to 37·82)*1·00 (−3·45 to 5·10)13·15 (11·14 to 15·16)16·83 (14·14 to 19·64)28·00 (21·21 to 34·47)*–0·75 (−5·34 to 3·51)4Occupational exposure to chromium: all causes0·96 (0·86 to 1·07)1·28 (1·13 to 1·44)33·02 (27·40 to 38·50)*2·28 (−1·68 to 6·05)27·33 (24·34 to 30·24)35·45 (31·40 to 40·17)29·71 (24·03 to 35·28)*0·57 (−3·49 to 4·55)··Tracheal, bronchus, and lung cancer0·96 (0·86 to 1·07)1·28 (1·13 to 1·44)33·02 (27·40 to 38·50)*2·28 (−1·68 to 6·05)27·33 (24·34 to 30·24)35·45 (31·40 to 40·17)29·71 (24·03 to 35·28)*0·57 (−3·49 to 4·55)4Occupational exposure to diesel engine exhaust: all causes13·41 (11·85 to 15·17)17·50 (15·20 to 20·06)30·45 (24·63 to 35·78)*0·26 (−3·89 to 3·78)381·69 (337·43 to 428·72)485·69 (426·18 to 553·93)27·25 (21·26 to 32·75)*–1·40 (−5·65 to 2·19)··Tracheal, bronchus,
