Table 4.

Multivariate logistic regression with full model for risk factors of T. gondii infection.

Variable	Odds ratio (95% Confidence internal)	P-value
Geographical position (unknown vs. Yangtze River Province)	0.0	0.998
Geographical position (North of the Yangtze River vs. Yangtze River Province)	0.4 (0.2–1.0)	0.050
Geographical position (South of the Yangtze River vs. Yangtze River Province)	1.2 (0.4–3.0)	0.748
Living in rural areas or city	0.8 (0.4–1.6)	0.620
Cat in the household	0.0	0.998
Cat in the neighborhood	0.8 (0.3–2.2)	0.728
Keep a dog	0.4 (0.2–0.9)	0.021
Drinking unboiled water	1.6 (0.9–2.8)	0.084
Undercooked beef meat/lamb consumption	0.9 (0.3–3.2)	0.889
Undercooked pork meat consumption	0.0	0.998
Raw fish consumption	1.1 (0.5–2.6)	0.845
Fresh oyster consumption	2.0 (0.9–4.4)	0.087
Undercooked vegetables consumption	0.7 (0.4–1.2)	0.173
Gardening or agriculture	3.0 (1.5–5.7)	0.001
Blood transfusion	0.0	0.998
Blood group type (Unknown vs. AB)	2.4 (0.3–17.5)	0.403
Blood group type (O vs. AB)	2.8 (0.3–22.9)	0.334
Blood group type (A vs. AB)	4.7 (0.6–37.8)	0.143
Blood group type (B vs. AB)	1.5 (0.2–13.3)	0.740
Gender	0.8 (0.5–1.4)	0.522
Education level	0.6 (0.3–1.0)	0.058