Skip to main content

Table 3 Coefficients of the final logisitic regression model and risk factors associated to Toxoplasma gondii serological and tissue prevalence in foxes (Vulpes spp.) in Canada

From: Are foxes (Vulpes spp.) good sentinel species for Toxoplasma gondii in northern Canada?

Variables β (SE) p value df OR (CI95%)
Variables for seroprevalence     
 Species, red fox 0.42 (0.50) 0.404 1 1.52 (0.59–4.28)
 Sex, male 0.97 (0.46) 0.036* 1 2.65 (1.11–6.92)
 Age, mature 0.69 (0.21) 0.001* 2 1.99 (1.31–3.02)
 Age, old 1.93 (0.32)  < 0.001* 2 6.86 (3.74–12.96)
 Latitude − 0.07 (0.02)  < 0.001* 1 0.93 (0.88–0.98)
 BCI, low − 0.60 (0.30) 0.042* 2 0.55 (0.31–0.98)
 BCI, medium − 0.66 (0.29) 0.024* 2 0.52 (0.29–0.92)
 Species^sex, male red fox − 0.73 (0.51) 0.156 1 0.48 (0.17–1.29)
Variables for tissue prevalence     
 Species, red fox 0.14 (0.59) 0.807 1 1.15 (0.39–4.02)
 Sex, male 1.48 (0.53) 0.005* 1 4.39 (1.66–13.88)
 Age, mature 0.36 (0.24) 0.137 2 1.43 (0.89–2.29)
 Age, old 1.13 (0.33)  < 0.001* 2 3.10 (1.62–5.86)
 Latitude − 0.08 (0.03) 0.003* 1 0.92 (0.87–0.97)
 BCI, low − 0.48 (0.32) 0.139 2 0.62 (0.33–1.18)
 BCI, medium − 0.66 (0.33) 0.044* 2 0.52 (0.28–0.99)
 Species^sex, male red fox − 1.19 (0.59) 0.042* 1 0.30 (0.09–0.91)
  1. BCI body condition index, Species^Sex interaction term, β estimate coefficient, SE standard error, df degree of freedom, OR odds ratio, CI95% 95% confidence interval
  2. *Statistically significant at p < 0.05