Animal or public exposure by rurality of residence; 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 | |||||||||
| Urban | 2.1 | 1.8 | 1.21 (1.12–1.31) | 1.5 | 1.23 (0.93–1.64) | 2.2 | 1.25 (1.14–1.38) | 2.3 | 1.29 (1.20–1.38) |
| Suburban | 8.5 | 8.0 | 1.28 (1.19–1.38) | 7.3 | 1.30 (1.00–1.68) | 9.2 | 1.22 (1.11–1.35) | 9.6 | 1.29 (1.20–1.38) |
| Rural | 15.0 | 13.7 | 1.30 (1.09–1.57) | 7.8 | 0.78 (0.40–1.52) | 16.6 | 1.18 (0.95–1.47) | 16.0 | 1.31 (1.11–1.54) |
| Exposure to the public | |||||||||
| Urban | 14.4 | 16.7 | 1.07 (1.04–1.10) | 16.7 | 1.02 (0.93–1.12) | 16.1 | 1.05 (1.01–1.09) | 16.1 | 1.04 (1.01–1.07) |
| Suburban | 12.1 | 14.6 | 1.09 (1.04–1.15) | 14.7 | 1.17 (0.99–1.38) | 13.5 | 1.08 (1.01–1.16) | 13.7 | 1.07 (1.02–1.12) |
| Rural | 10.2 | 13.5 | 1.29 (1.13–1.49) | 14.5 | 1.26 (0.79–1.98) | 10.9 | 1.01 (0.82–1.23) | 11.0 | 0.97 (0.84–1.11) |