Table 1:
Demographic data for two canine case-control populations analyzed by county of residence for exposure to airborne and drinking water pollutants. UCC – urothelial carcinoma
| Dog with UCC | Unaffected UCC controls | Boxers with lymphoma | Unaffected boxer controls | |
|---|---|---|---|---|
| Original recruited population (n) | 69 | 72 | 63 | 89 |
| Dogs with full addresses for current study (n) | 66 | 70 | 56 | 84 |
| Commonly represented breeds (n ≥ 3) | Mixed 20 Beagle 6 Shetl sheepdog 6 Westie 6 Dachshund 6 Scottish terr 5 Border collie 3 Min Schnauz 3 |
Mixed 22 Beagle 7 Shetl sheepdog 4 Westie 6 Dachshund 6 Scottish terr 6 Border collie 3 Min Schnauz 3 |
Boxers 56 | Boxers 84 |
| Sex and neuter status | FS 42 FI 2 MN 20 MI 2 |
FS 46 FI 1 MN 21 MI 2 |
FS 26 FI 0 MN 27 MI 3 |
FS 46 FI 0 MN 35 MI 3 |
| Median age (range) | 11 years (4–16) | 12 years (8–16) | 8 years (3.5–15) | 10.5 years (10–15) |
| Number of states represented | 19 | 18 | 17 | 27 |
| Number of counties represented | 42 | 41 | 41 | 78 |
| Predominant neighborhood type | Suburban (62.1%) | Suburban (58.6%) | Suburban (66.1%) | Suburban (53.6%) |
| Predominant drinking water source | Municipal (90.9%) Well (6.1%) Other* (3.0%) |
Municipal (92.9%) Well (5.7%) Other (1.4%) |
Municipal (78.6%) Well (10.7%) Other (10.7%) |
Municipal (70.2%) Well (22.6%) Other (7.2%) |
*
Bottled, filtered, or pond water as reported by the dogs’ owners.