Table 1.

Comparison of seropositivity rate to T. gondii according to sex and age between cases and controls

Characteristic	Cases			Controls			P value
	No. tested	Seroprevalence of T. gondii infection		No. tested	Seroprevalence of T. gondii infection
		No.	%		No.	%
Sex
Male	45	2	4.4	45	2	4.4	1.0
Female	346	23	6.6	346	19	5.5	0.52
Age (years old)
30 or less	132	11	8.3	132	6	4.5	0.21
31–50	203	11	5.4	203	12	5.9	0.83
>50	56	3	5.4	56	3	5.4	1.0