Table 3.
Stratified/subgroup of cancer type by industry category.
| Cancer Site/Type | n | Refinery OR 95% CI |
n | Petroleum OR 95% CI |
n | Petrochemical OR 95% CI |
n | Refinery and Petrochemical OR 95% CI |
n | Offshore OR 95% CI |
|---|---|---|---|---|---|---|---|---|---|---|
| Respiratory system | ||||||||||
| Lung | 8 | 0.83, 0.76–0.91 | 7 | 0.73, 0.63–0.85 | 2 | 0.57, 0.32–1.02 | 7 | 0.80, 0.67–0.96 | 3 | 1.20, 1.03–1.39 |
| Mesothelioma | 4 | 1.94, 1.00–3.76 | 5 | 1.58, 1.30–1.93 | x | 2 | 2.86, 2.16–3.77 | 2 | 2.47, 1.66–3.67 | |
| Skin | ||||||||||
| Skin melanoma | 7 | 1.15, 0.88–1.50 | 6 | 1.28, 1.10–1.50 | 2 | 0.85, 0.24–3.06 | 7 | 0.84, 0.55–1.27 | 2 | 1.44, 0.68–3.02 |
| Skin cancer (Non-specific) | 2 | 1.18, 0.71–1.95 | 5 | 0.89, 0.75–1.06 | x | 2 | 1.12, 0.72–1.74 | x | ||
| Urinary tract | ||||||||||
| Urinary bladder | 3 | 1.00, 0.88–1.14 | 7 | 0.93, 0.69–1.25 | x | 4 | 1.08, 0.78–1.49 | x | ||
| Kidney | 8 | 1.10, 0.98–1.24 | 7 | 0.91, 0.77–1.06 | x | 6 | 1.00, 0.79–1.25 | x | ||
| Reproductive system | ||||||||||
| Prostate | 4 | 1.01, 0.89–1.15 | 8 | 0.97, 0.83–1.146 | x | 7 | 1.01, 0.93–1.11 | x | ||
| Testis | 2 | 0.63, 0.28–1.42 | 4 | 1.00, 0.68–1.48 | x | x | - | |||
| Breast | 5 | 1.00, 0.78–1.27 | x | x | x | - | ||||
| Digestive and accessory digestive organ | ||||||||||
| Esophagus | 5 | 0.91, 0.81–1.03 | 3 | 0.67, 0.56–0.80 | x | 2 | 0.88, 0.59–1.30 | - | ||
| Stomach | 5 | 0.96, 0.83–1.10 | 4 | 0.79, 0.68–0.92 | x | 4 | 0.76, 0.60–0.95 | - | ||
| Colo-rectal | 12 | 0.87, 0.80–0.94 | 7 | 0.81, 0.74–0.88 | x | 6 | 0.87, 0.76–0.98 | - | ||
| Liver | 4 | 0.63, 0.36–1.08 | 4 | 0.73, 0.62–0.86 | - | 3 | 0.76, 0.56–1.02 | - | ||
| Gall bladder | 2 | 1.08, 0.45–2.56 | 3 | 1.83, 0.69–4.82 | - | - | - | |||
| Pancreas | 5 | 0.88, 0.72–1.07 | 4 | 0.84, 0.75–0.95 | - | 0.94, 0.78–1.13 | - | |||
| Central Nervous System | ||||||||||
| Brain | 7 | 1.00, 0.88–1.13 | 7 | 1.02, 0.89–1.16 | x | 6 | 1.05, 0.78–1.42 | - | ||
| Hematological | ||||||||||
| Hodgkin’s lymphoma | 8 | 1.07, 0.85–1.34 | 2 | 1.11, 0.75–1.63 | x | 3 | 0.86, 0.43–1.71 | - | ||
| Non-Hodgkin’s lymphoma | 2 | 0.96, 0.74–1.23 | 8 | 0.97, 0.87–1.09 | 2 | 1.09, 0.35–3.32 | 5 | 1.04, 0.63–1.72 | - | |
| Multiple Myeloma | 5 | 1.03, 0.82–1.30 | 7 | 1.26, 0.94–1.68 | x | x | x | |||
| Leukaemia | 16 | 1.07, 0.98–1.17 | 1.07, 0.91–1.26 | x | 8 | 1.02, 0.80–1.29 | 6 | 1.47, 1.12–1.92 |
- = No study, x = Only one study.