Cause specific mortality by interval since hire, men only, Richmond and El Segundo refineries, 1950–95
| Richmond refinery interval since hire (y) | El Segundo refinery interval since hire (y) | Combined cohorts interval since hire (y) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cause of death (ICDA-8) | <10 | 10–19 | 20–29 | ≥30 | <10 | 10–19 | 20–29 | ≥30 | <10 | 10–19 | 20–29 | ≥30 |
| *p<0.05; **p<0.01; –, no observed deaths. | ||||||||||||
| At risk (n) | 9499 | 8824 | 7029 | 5285 | 6005 | 5088 | 3990 | 2765 | 15321 | 13791 | 10943 | 8007 |
| Person-years | 72137.4 | 76463.1 | 57632.4 | 72217.3 | 44724.9 | 43591.1 | 30934.8 | 38024.2 | 115528.9 | 119109.6 | 87980.7 | 109796.8 |
| All causes of death (001 to 999) | 54.4** | 68.7** | 75.8** | 92.2** | 56.5** | 82.6** | 72.0** | 87.7** | 55.4** | 74.1** | 75.0** | 90.8** |
| All malignant neoplasms (140 to 209) | 70.3 | 75.5* | 80.7* | 94.7 | 27.8** | 87.2 | 78.8 | 87.3* | 53.1** | 79.7* | 80.7** | 92.1* |
| Cancer of buccal cavity and pharynx (140 to 149) | – | – | 59.7 | 77.1 | – | – | – | 101.4 | – | –* | 37.9 | 86.1 |
| Cancer of digestive organs and peritoneum (150 to 159) | 31.5 | 46.5* | 83.2 | 94.0 | 24.9 | 53.4 | 76.0 | 77.0* | 29.8* | 46.7** | 81.7 | 87.8 |
| Cancer of oesophagus (150) | – | 54.9 | 111.0 | 117.9 | 284.5 | 93.9 | 187.1 | 112.5 | 113.2 | 70.9 | 141.5 | 116.6 |
| Cancer of stomach (151) | – | 50.4 | 165.0 | 94.5 | – | – | 79.0 | 51.1 | – | 32.8 | 135.2 | 79.2 |
| Cancer of large intestine (153) | 113.5 | 18.9 | 46.5 | 99.7 | – | 63.3 | 63.4 | 79.8 | 71.1 | 24.2* | 53.6 | 91.7 |
| Cancer of rectum (154) | – | 99.2 | 111.2 | 117.9 | – | 262.3 | – | 65.0 | – | 160.8 | 70.9 | 99.1 |
| Cancer of biliary passages and liver (155 to 156) | – | – | – | 46.1 | – | – | – | 68.1 | – | – | –* | 54.3* |
| Cancer of pancreas (157) | – | 73.1 | 75.9 | 72.0 | – | – | 107.4 | 58.1 | – | 46.9 | 88.8 | 67.3* |
| Cancer of respiratory system (160 to 163) | 118.7 | 102.0 | 86.0 | 82.2* | 41.2 | 114.8 | 78.4 | 89.2 | 91.4 | 106.7 | 84.4 | 84.8** |
| Cancer of larynx (161) | – | 105.1 | 52.6 | 138.2 | – | 179.3 | – | 164.9 | – | 135.2 | 33.2 | 148.4 |
| Cancer of bronchus, trachea, lung (162) | 126.6 | 103.7 | 88.4 | 78.0** | 43.9 | 107.1 | 79.0 | 84.7 | 97.5 | 104.7 | 86.2 | 80.4** |
| Cancer of prostate (men only) (185) | – | – | 73.9 | 103.3 | – | – | 102.1 | 76.9 | – | –* | 86.3 | 93.0 |
| Cancer of kidney (189) | 148.5 | 150.9 | –* | 128.0 | – | 165.9 | – | 107.6 | – | 159.8 | –** | 121.3 |
| Cancer of bladder and other urinary organs (188, 189.9) | – | – | 58.2 | 97.4 | – | – | – | 69.8 | – | – | 37.2 | 87.6 |
| Malignant melanoma of skin (172 except scrotum) | 81.9 | 88.1 | 70.5 | 159.9 | – | 214.3 | 122.7 | 72.5 | 50.7 | 138.2 | 90.6 | 129.6 |
| Cancer of nervous system (191 to 192) | 108.1 | 134.8 | 157.8 | 108.7 | – | 179.4 | 134.9 | 122.7 | 67.6 | 153.8 | 138.4 | 114.2 |
| Cancer of bone (170) | – | – | – | – | – | – | – | – | – | – | – | – |
| Cancer of all lymphatic, haematopoietic tissue (200 to 209) | 19.6 | 83.7 | 94.2 | 133.7* | – | 71.5 | 62.5 | 100.7 | 12.3** | 80.5 | 83.7 | 122.4 |
| Lymphosarcoma and reticulosarcoma (200) | – | 195.9 | 70.1 | 185.6 | – | 174.9 | – | 90.4 | – | 190.4 | 45.0 | 151.8 |
| Hodgkin's disease (201) | – | 73.8 | 256.8 | 54.7 | – | – | 310.2 | 99.6 | – | 48.0 | 277.4 | 70.8 |
| Leukaemia and aleukaemia (204 to 207) | – | 27.2 | 78.3 | 127.4 | – | 93.6 | 68.2 | 90.3 | – | 52.4 | 75.6 | 114.4 |
| Cancer of all other lymphopoietic tissue (202, 203, 208, and 209) | 104.2 | 80.0 | 85.3 | 132.4 | – | – | 35.7 | 112.8 | 63.8 | 50.3 | 68.0 | 126.1 |
| Benign neoplasms (210 to 239) | 154.8 | – | 60.3 | 124.7 | – | – | 105.2 | 215.8 | 98.2 | – | 77.5 | 158.8 |
| Diabetes mellitus (250) | – | –* | 67.8 | 78.6 | – | – | 119.2 | 55.3 | – | –** | 87.6 | 70.5* |
| Cerebrovascular disease (430 to 438) | 74.8 | 56.5 | 56.2* | 85.7 | – | 46.1 | 80.3 | 91.7 | 47.5 | 49.5** | 65.4* | 87.5* |
| All heart disease (390 to 398, 400.1, 400.9, 402, 404, 410 to 414, 420 to 429) | 50.2** | 81.6* | 78.1** | 91.4** | 69.2 | 103.5 | 77.6** | 92.4 | 57.6** | 90.1 | 78.8** | 92.1** |
| Ischaemic heart disease (410 to 414) | 54.4** | 84.2 | 82.0** | 90.7** | 69.6 | 105.1 | 72.9** | 93.5 | 60.1** | 92.2 | 79.5** | 92.1** |
| Hypertension with heart disease (400.1, 400.9, 402, 404) | – | – | 21.6 | 79.2 | – | 111.1 | 74.9 | 51.3 | – | 41.2 | 41.8 | 69.4 |
| Hypertension without heart disease (400, 400.2, 400.3, 401, 403) | – | 236.8 | 83.5 | 42.5 | – | 222.2 | – | 24.0 | – | 234.4 | 54.5 | 35.8* |
| Non-malignant respiratory disease (460 to 519) | 15.5* | 65.4 | 79.4 | 86.1* | 25.3 | 57.0 | 55.1* | 75.0** | 19.6** | 63.5 | 71.6* | 82.1** |
| Influenza and pneumonia (470 to 474 and 480 to 486) | 32.5 | 25.6* | 91.2 | 87.1 | 53.1 | 45.2 | 87.1 | 81.3 | 41.1 | 33.1* | 91.0 | 84.6 |
| Emphysema (492) | – | 107.8 | 29.4* | 48.7** | – | 118.5 | 50.6 | 48.0** | – | 113.4 | 37.5** | 48.6** |
| Cirrhosis (571) | 30.4* | 32.5** | 62.6* | 93.8 | 31.2 | 40.2* | 40.1** | 93.9 | 31.5** | 35.9** | 54.9** | 94.2 |
| All external causes of death (e800 to e999) | 58.5** | 68.1** | 79.1 | 89.8 | 68.8* | 89.0 | 66.6* | 86.2 | 62.3** | 76.2** | 75.2* | 88.8 |
| Motor vehicle accidents (e810 to e823) | 84.3 | 51.9* | 76.6 | 100.4 | 67.6 | 101.7 | 55.4 | 50.8 | 78.8 | 70.0 | 69.6 | 83.3 |
| Suicides (e950 to e959) | 48.7* | 96.1 | 107.2 | 95.0 | 77.7 | 90.9 | 111.0 | 132.1 | 57.3* | 95.0 | 109.3 | 108.6 |