Animal or public exposure by region of occurrence; odds ratios (95% CIs) for association with non-Hodgkin’s lymphoma, Hodgkin’s disease, multiple myeloma, and leukaemia*
| Controls (n = 896480) | Non-Hodgkin’s lymphoma (n = 71600) | Hodgkin’s disease (n = 5366) | Multiple myeloma (n = 35340) | Leukaemia (n = 67570) | |||||
|---|---|---|---|---|---|---|---|---|---|
| % | % | OR (95% CI) | % | OR (95% CI) | % | OR (95% CI) | % | OR (95% CI) | |
| *Odds ratios adjusted for age, sex, race, geographic region of occurrence, and socioeconomic status. | |||||||||
| Exposure to animals | |||||||||
| Northeast | 1.2 | 1.1 | 1.25 (1.03–1.51) | 0.8 | 1.05 (0.49–2.27) | 1.6 | 1.56 (1.22–1.99) | 1.3 | 1.30 (1.07–1.58) |
| North Central | 4.6 | 4.7 | 1.41 (1.31–1.52) | 3.9 | 1.35 (1.04–1.75) | 5.1 | 1.44 (1.31–1.60) | 6.0 | 1.60 (1.49–1.71) |
| South | 5.7 | 4.5 | 1.10 (1.02–1.19) | 3.1 | 0.98 (0.73–1.32) | 5.4 | 1.05 (0.96–1.15) | 5.5 | 1.11 (1.03–1.19) |
| West | 4.4 | 3.8 | 1.23 (1.07–1.40) | 4.0 | 1.78 (1.12–2.83) | 5.0 | 1.52 (1.27–1.82) | 4.5 | 1.40 (1.23–1.60) |
| Exposure to the public | |||||||||
| Northeast | 14.3 | 16.0 | 1.02 (0.97–1.08) | 16.5 | 1.00 (0.83–1.21) | 16.2 | 1.04 (0.96–1.13) | 15.5 | 1.02 (0.96–1.08) |
| North Central | 13.2 | 15.7 | 1.10 (1.06–1.15) | 15.7 | 1.09 (0.95–1.24) | 14.1 | 1.03 (0.97–1.09) | 14.7 | 1.05 (1.00–1.09) |
| South | 12.8 | 15.6 | 1.11 (1.07–1.16) | 15.4 | 1.03 (0.90–1.19) | 15.1 | 1.10 (1.05–1.17) | 14.8 | 1.07 (1.03–1.11) |
| West | 16.2 | 18.4 | 1.05 (0.99–1.11) | 18.7 | 1.10 (0.90–1.35) | 17.6 | 1.04 (0.96–1.13) | 17.6 | 1.01 (0.95–1.08) |