Table 2.
Analysis of sociodemographic characteristics of pregnant women attending public health care facilities in Paraná, Brazil, 2007–2010, according to seropositivity for anti-Toxoplasma gondii IgG antibodies.
| Sociodemographic characteristics | Positive anti-T. gondii IgG antibodies/total (%) | Odds ratio [95% CI] | p-valuea |
|---|---|---|---|
| Residence | |||
| Urban area | 1046/2060 (50.8) | 1.74 [1.22, 2.49] | 0.001 |
| Rural area | 99/154 (64.3) | ||
| Age group (years) | |||
| <20 | 287/611 (47.0) | 1.0 reference | 0.001 |
| 21–30 | 600/1164 (51.5) | 1.20 [0.98, 1.47] | |
| > 31 | 260/445 (58.4) | 1.59 [1.23, 2.05] | |
| Per capita incomeb | |||
| <U$ 77.00 | 288/452 (63.7) | 1.0 reference | <0.001 |
| U$ 78.00–179.00 | 491/956 (51.3) | 0.60 [0.47, 0.76] | |
| >U$ 180.00 | 338/747 (45.2) | 0.47 [0.37, 0.60] | |
| Education level (years in school) | |||
| ≤8 | 526/898 (58.5) | 1.60 [1.34, 1.90] | <0.001 |
| >8 | 620/1321 (47.0) | ||
| Parity | |||
| Primipara | 445/979 (45.5) | 0.64 [0.54, 0.76] | <0.001 |
| Multipara | 698/1232 (56.6) | ||
| Gestational age at prenatal initiation | |||
| 1st quarter | 697/1361 (51.2) | 1.0 reference | 0.585 |
| 2nd quarter | 290/550 (52.7) | 1.06 [0.87, 1.30] | |
| 3rd quarter | 93/169 (55.0) | 1.17 [0.84, 1.63] | |
CI, confidence interval.
a
Chi Square test for trend.
b
R$ Brazilian currency (R$ 1.00 = U$ 1.95, approximately).