Table 6.

Crude and multivariable logistics regression results of risk factors for not reaching the antibody level of 0.5 IU/ml after vaccination against rabies in cats in Finland during 2009–2013

Independent variable	Logistic regression coefficient B	Wald’s P value	Odds ratio (95% CI)
In crude logistic regressions
Vaccine (n = 164)
Wistar-G52 only	Na	1	Na
Pasteur RIV only	−1.578	0.178	0.2 (0.0–2.1)
Flury LEP only	1.138	0.130	3.1 (0.7–13.6)
Other	0.039	0.967	1.0 (0.2–6.7)
Age at vaccination (n = 265)
< 1 year vs ≥ 1 year	1.332	0.002	3.8 (1.6–8.9)
Time btw vaccination and sampling (n = 204) (months)
< 3	Na	1	Na
3–6	2.188	0.042	8.9 (1.1–73.1)
> 6	3.048	0.004	21.1 (2.6–170.9)
In multivariable logistic regression (n = 159)
Vaccine
Wistar-G52 only	Na	1	Na
Pasteur RIV only	−1.090	0.378	0.3 (0.03–3.8)
Flury LEP only	1.475	0.085	4.4 (0.8–23.5)
Other	0.827	0.439	2.3 (0.3–16.6)
Age at vaccination
< 1 year vs ≥ 1 year	2.282	0.006	9.8 (1.9–48.8)
Time btw vaccination and sampling (months)
< 3	Na	1	Na
3–6	1.615	0.19	5.0 (0.5–56.2)
> 6	2.906	0.026	18.3 (1.4–235.3)
Constant	−5.439	0.000	0.004

Na not applicable, CI confidence interval, other cats vaccinated abroad with vaccines not available in Finland or with a combination of different vaccines