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 |