Table 11.
X2 test for association contributions for mean age (y) of death and stated cause (Expected value in brackets).
| Factor | Group | Cancer | Cardiac | Gastric | Old age | Other | Comparison |
|---|---|---|---|---|---|---|---|
| Location | Europe | 146 (147) | 29 (24) | 31 (22) | 557 (52) | 52 (71) | X2 27.08, P <0.01 |
| North America | 286 (274) | 39 (44) | 34 (42) | 89 (96) | 141 (133) | ||
| Other | 15 (26) | 4 (4) | 3 (4) | 11 (9) | 23 (13) | ||
| Owner experience | Breeder | 78 (95) | 16 (15) | 16 (15) | 46 (34) | 49 (46) | X2 16.37, P <0.05 |
| Experienced | 311 (302) | 49 (49) | 47 (46) | 102 (106) | 140 (146) | ||
| First time owner | 58 (49) | 7 (8) | 5 (8) | 9 (17) | 27 (240 |
Note: Breed type X2 tests are for 8 df.