Table 1.

Seroprevalence of Toxoplasma gondii among pregnant women, stratified by age group, in Fortaleza, Brazil

Age group, years	No. of IgG-positive women/total	Seroprevalence, % (95% confidence interval)
12–15	11/12	91.7 (61.5–99.8)
16–18	38/104	63.5 (53.4–72.7)
19–25	158/438	63.9 (59.2–68.4)
26–30	57/132	69.8 (62.8–76.3)
31–44	44/147	77.0 (70.3–82.7)
Total	661/963	68.6 (65.6–71.6)