Table 2.

Univariate analysis of the variables associated with T. gondii seroprevalence in participants tested by MAT.

Variable	Blood donor No.	Seropositivity (%)	Odds ratio (95% Confidence internal)	P-value
Geographical location
Unknown	24	0	0.000	0.998
North of the Yangtze River	3,045	1.44	0.4 (0.2–0.9)	0.026∗
South of the Yangtze River	303	4.62	1.3 (0.5–3.3)	0.562
Yangtze River Province	197	3.55	1
Living in rural areas or city
City	2,183	1.33	0.5 (0.3–0.8)	0.009∗
Rural areas	1,386	2.59	1
Cat in the household
Yes	299	1.67	0.000	0.998
No	3,270	1.83	1
Cat in the neighborhood
Yes	37	0	0.9 (0.4–2.3)	0.841
No	3,532	1.84	1
Keep a dog
Yes	773	1.16	0.6 (0.3–1.2)	0.127
No	2,796	2.01	1
Drink unboiled water
Yes	1,340	2.46	1.7 (1.1–2.8)	0.028∗
No	2,229	1.43	1
Undercooked beef meat/lamb consumption
Yes	240	1.25	0.7 (0.2–2.1)	0.496
No	3,329	1.86	1
Undercooked pork meat consumption
Yes	46	0	0.000	0.998
No	3,523	1.85	1
Raw fish consumption
Yes	585	1.71	0.926 (0.5–1.8)	0.825
No	2,984	1.84	1
Fresh oyster consumption
Yes	544	2.21	1.3 (0.7–2.4)	0.467
No	3,025	1.75	1
Undercooked vegetables consumption
Yes	2,198	1.55	0.7 (0.4–1.1)	0.123
No	1,371	2.26	1
Gardening or agriculture
Yes	644	4.04	3.1 (1.9–5.2)	0.000∗
No	2,925	1.33	1
Blood transfusion
Yes	41	0	0.000	0.998
No	3,528	1.85	1
Blood group type
Unknown	2,275	1.84	2.9 (0.4–21.2)	0.295
O	437	1.83	2.9 (0.4–23.1)	0.322
A	304	3.29	5.2 (0.7–41.3)	0.116
B	398	1.01	1.6 (0.2–14.1)	0.690
AB	155	0.64	1
Gender
Male	1,360	1.91	1.1 (0.7–1.8)	0.751
Female	2,209	1.31	1
Education level
Undergraduate	2,756	1.63	0.7 (0.4–1.1)	0.124
Postgraduate students	813	2.46	1

^∗Statistically significant.