Table 3.

Full Poisson (MNi) or negative binomial (NBUDs) GLM results evaluating effects of covariates on MNi and NBUDs frequencies in pure and mixed breed dogs

	Estimate	SE	z value	Pr( >|z|)	Exp(B)	Wald CI 95%
MNi: MNi ~ breed + weight + age + sex + age * sex
Intercept	−0.570	0.276	−2.063	0.039	0.566	0.324–0.958
Breed [purebred]	1.131	0.199	5.695	0.000	3.100	2.132–4.657
Weight	0.003	0.006	0.451	0.652	1.003	0.991–1.014
Age	0.036	0.033	1.115	0.265	1.037	0.972–1.104
Sex [males]	0.018	0.327	0.055	0.956	1.018	0.533–1.923
Age:sex [males]	−0.021	0.048	−0.437	0.662	0.979	0.891–1.077
NBUDs: NBUDs ~ breed + weight + age + sex + age * sex
Intercept	−0.218	0.256	−0.851	0.395	0.804	0.483–1.314
Breed [purebred]	0.818	0.164	5.002	0.000	2.266	1.652–3.139
Weight	0.005	0.006	0.737	0.461	1.005	0.992–1.017
Age	0.027	0.032	0.845	0.398	1.028	0.964–1.094
Sex [males]	−0.304	0.353	−0.862	0.388	0.738	0.366–1.460
Age:sex [males]	−0.027	0.052	−0.512	0.609	0.974	0.879–1.079