Seroprevalence and Associated Risk Factors for Toxoplasma gondii Infection in Healthy Blood Donors: A Cross-Sectional Study in Sonora, Mexico

Table 2

Bivariate analysis of obstetric data and infection with T. gondii in female blood donors.

Characteristic	Subjects tested	⁢Prevalence of T. gondii infection		value
	Number	Number	%
Pregnancies
None	21	1	4.8	0.01
One	6	0	0
Two	17	1	5.9
Three	13	1	7.7
Four	7	2	28.6
Five	1	1	100
Deliveries
None	36	4	11.1	0.03
One	8	1	12.5
Two	13	0	0
Three	6	0	0
Four	1	0	0
Five	1	1	100
Cesarean sections
None	43	2	4.7	0.01
One	10	0	0
Two	4	1	25
Three	8	3	37.5
Stillbirths
None	64	6	9.4	1.00
One	1	0	0
Miscarriages
None	59	6	10.2	1.00
One	6	0	0