Table 3 The frequencies and the valid percentages of self‐reported exposure to various substances inside the Navy for respondents having served aboard the KNM Kvikk versus all other respondents.
| Greatly or very greatly exposed to or worked with: | Respondents having served aboard the KNM Kvikk | All other respondents | OR | 95% CI | p* | ||
|---|---|---|---|---|---|---|---|
| n | % | n | % | ||||
| Solvents or paints | 6 | 10.0 | 133 | 6.3 | 1.7 | 0.7 to 3.9 | 0.27 |
| Skin contact with oil, gasoline, or diesel | 12 | 20.3 | 289 | 13.6 | 1.6 | 0.8 to 3.1 | 0.14 |
| Vapour from oil, gasoline, or diesel | 20 | 33.3 | 213 | 10.2 | 4.4 | 2.5 to 7.7 | <0.0005 |
| Exhaust gas | 32 | 52.5 | 261 | 12.4 | 7.8 | 4.6 to 13.1 | <0.0005 |
| Lead (bullets or weapon) | 6 | 10.0 | 194 | 9.2 | 1.1 | 0.5 to 2.8 | 0.84 |
| Explosives | 9 | 15.0 | 206 | 9.8 | 1.6 | 0.8 to 3.3 | 0.18 |
| Noise | 43 | 70.5 | 797 | 37.2 | 4.0 | 2.3 to 7.0 | <0.0005 |
| Vibration and shaking | 37 | 61.7 | 486 | 23.1 | 5.4 | 3.2 to 9.1 | <0.0005 |
| Twisted working positions | 14 | 23.7 | 448 | 21.0 | 1.2 | 0.6 to 2.1 | 0.62 |
| Passive smoking | 19 | 32.8 | 390 | 18.3 | 2.2 | 1.2 to 3.8 | 0.005 |
| Asbestos | 4 | 8.7 | 59 | 3.5 | 2.7 | 0.9 to 7.7 | 0.080 |
| Worked closer to a high‐frequency aerial than 10 m | 29 | 46.8 | 445 | 21.8 | 3.2 | 1.9 to 5.2 | <0.0005 |
| Worked closer to communication installations than 3 m | 24 | 40.7 | 319 | 15.8 | 3.7 | 2.2 to 6.2 | <0.0005 |
| Worked closer to radar than 5 m | 27 | 45.0 | 361 | 17.7 | 3.8 | 2.3 to 6.4 | <0.0005 |
*Pearson's χ2 or Fisher's exact test.