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Volume 16, Number 10—October 2010

Toxoplasma gondii Oocyst–specific Antibodies and Source of Infection

Claudia A. Muñoz-ZanziComments to Author , Paulina Fry, Blaz Lesina, and Dolores Hill
Author affiliations: Author affiliations: University of Minnesota, Minneapolis, Minnesota, USA (C. Muñoz-Zanzi); Universidad Austral de Chile, Valdivia, Chile (C. Muñoz-Zanzi, P. Fry, B. Lesina); United States Department of Agriculture, Beltsville, Maryland, USA (D. Hill)

Main Article


Demographics of low-income pregnant women evaluated for exposure to Toxoplasma gondii, Valdivia Province, Chile*

Variable Seronegative Seropositive Total Odds ratio (p value)†
Urban residence‡ 289/300 (96.3) 184/189 (97.4) 473/489 (96.7) – (0.538)
Very low socioeconomic status§ 261/300 (87.0) 167/191 (87.4) 428/491 (87.2) – (0.888)
College/technical education¶ 41/300 (13.7) 16/191 (8.4) 57/491 (11.6) 0.58 (0.077)
Age, y, median#
25 (18.0–39.0)
27 (18.0–41.0)
25 (18.0–40.2)
1.46** (0.011)
Total, no. (%) 301 (60.9) 193 (39.1) 494

*Values are no./no. tested (%) except as indicated.
†Odds ratio and corresponding p value from univariate logistic regression analysis.
‡Reference is rural residence.
§Household income <$3,500/y; reference is low socioeconomic status, household income >$3,500/y to <$5,000/y.
¶Reference is no college or technical education.
#Median, 2.5th, and 97.5th percentiles (in parenthesis) are reported for age as a continuous variable.
**Odds ratio for a 28-year-old woman compared with an 18-year-old woman as an example.

Main Article

Page created: September 07, 2011
Page updated: September 07, 2011
Page reviewed: September 07, 2011
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