Volume 16, Number 10—October 2010
Dispatch
Toxoplasma gondii Oocyst–specific Antibodies and Source of Infection
Claudia A. Muñoz-Zanzi
, Paulina Fry, Blaz Lesina, and Dolores Hill
, Paulina Fry, Blaz Lesina, and Dolores Hill
Table
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.
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