Supplementary analysis: occupational contact (OC) categories and leukaemia and non-Hodgkin's lymphoma risk
| OC category | Cases | Controls | OR (CI) | OR adjusted for social class (CI) |
|---|---|---|---|---|
| Low/medium* | 1 | 84 | 1.00 (reference) | 1.00 (reference) |
| High | 2 | 42 | 5.25 (0.43 to 63.93) | 2.96 (0.24 to 37.22) |
| Very high | 10 | 57 | 21.24 (2.45 to 183.82) | 29.68 (2.12 to 415.79) |
| Total | 13 | 183 | p value for trend=0.002 | p value for trend=0.011 |
*Including 13 controls with uncertain or unknown occupations.
Numbers, OR and 95% CIs.