Table 5
Odds ratio for small bowel adenocarcinoma according to selected occupational exposures related to welding and pesticide use
| Exposure | Cases n | Controls n | Crude OR | Adjusted OR | 95% CI |
| Welding (12 cases, 384 controls): | |||||
| Welding in mild steel | 9 | 243 | 1.7 | 1.6 | 0.3 to 7.3 |
| Welding in stainless steel | 5 | 172 | 0.9 | 0.9 | 0.3 to 3.0 |
| Clean up the metal with trichloroethylene5-150 | 3 | 92 | 1.1 | 0.6 | 0.2 to 2.6 |
| Gas welding with oxyacetylene torch5-150 | 7 | 222 | 1 | 1.5 | 0.4 to 5.5 |
| Flame cutting5-150 | 7 | 212 | 1.1 | 1.0 | 0.3 to 3.6 |
| Electric resistance welding5-150 | 4 | 135 | 0.9 | 1.0 | 0.3 to 3.5 |
| Manual metal arc welding (MMA)5-150 | 8 | 226 | 1.4 | 1.9 | 0.4 to 8.3 |
| Arc welding with tungsten electrode (TIG)5-150 | 4 | 50 | 3.3 | 2.7 | 0.6 to 11.7 |
| Semi-automatic arc welding (MIG/MAG)5-150 | 6 | 94 | 3.1 | 5.0 | 1.3 to 19.6 |
| Plasma arc welding5-150 | 2 | 25 | 3.1 | 3.0 | 0.5 to 17.9 |
| Type of electrode in arc welding: | — | — | — | — | — |
| Rutile | 3 | 63 | 1.7 | 2.6 | 0.6 to 11.6 |
| Basic | 2 | 85 | 0.7 | 0.7 | 0.1 to 3.3 |
| Cellulosic | 2 | 21 | 3.5 | 22.65-151 | 2.4 to 213 |
| Place where the welding was performed: | — | — | — | — | — |
| In close probing quarters | 2 | 168 | 0.3 | 0.3 | 0.1 to 1.7 |
| In open air (outdoors) | 5 | 139 | 1.3 | 1.2 | 0.4 to 4.3 |
| In small room (workshop) | 4 | 184 | 0.5 | 0.5 | 0.1 to 1.8 |
| In factory hall | 9 | 182 | 3.3 | 3.7 | 0.9 to 15.3 |
| Use of asbestos made protective equipment | 5 | 109 | 1.8 | 2.3 | 0.6 to 8.5 |
| Performance ofx ray tests | 1 | 9 | 3.8 | 4.0 | 0.4 to 42.6 |
| Use of pesticides (79 cases, 2649 controls): | |||||
| Pesticides, all kinds of5-150 | 8 | 240 | 1.1 | 1.0 | 0.5 to 2.2 |
| Herbicides5-150 | 6 | 141 | 1.2 | 0.9 | 0.1 to 6.3 |
