Table 4 Overview of univariable mixed logistic regression (P < 0.25) and final mixed logistic regression using data on squirrels (n = 175) from the Netherlands to identify predictors for Toxoplasma gondii-positive findings by quantitative real-time polymerase chain reaction (qPCR)

Predictor variables^a

P-value

OR (95% CI)

P-value

OR (95% CI)

Human population density

0.153

1.28 (0.91–1.79)

–

–

Nearest distance to urban areas

0.055

0.58 (0.34–1.01)

0.098

0.60 (0.33–1.10)

Land use-% Urban

0.151

1.29 (0.91–1.81)

–

–

Land use-% Deciduous forest

0.101

0.72 (0.49–1.07)

0.020

0.60 (0.39–0.92)

Land use-% Infrastructure^b

0.193

1.26 (0.89–1.77)

–

–

Distance to nearest water body

0.031*

0.60 (0.38–0.96)

–

–

Maximum length of dry spell–2 weeks^c

0.170

1.27 (0.90–1.78)

0.113

1.36 (0.93–2.00)

R25mm–12 months

0.031*

1.48 (1.04–2.11)

0.037

1.58 (1.03–2.43)

SU25–2 weeks

0.007*

0.31 (0.13–0.72)

0.008

0.27 (0.10–0.71)

SU25–1 month^b

0.020*

0.51 (0.29–0.90)

–

–

FD6–6 months

0.047*

0.56 (0.32–0.99)

0.144

0.62 (0.33–1.17)

FD6–12 months^b

0.236

0.74 (0.45–1.22)

–

–

Mast year–Oak

0.073

0.65 (0.41–1.04)

0.302

0.75 (0.44–1.29)