Sociodemographic characteristics of pregnant women and seroprevalence of Toxoplasma gondii (T. gondii) infection
| Characteristic | Subjects tested No. | Prevalence of T. gondii infection | P value | |
| No. | % | |||
| Age groups (years) | ||||
| 18–30 | 231 | 8 | 3.9 | 0.74 |
| 31–44 | 80 | 4 | 5.0 | |
| Birthplace | ||||
| Mexico | 309 | 12 | 3.9 | 0.08 |
| Abroad | 2 | 1 | 50.0 | |
| Residence area | ||||
| Urban | 227 | 9 | 4.0 | 0.38 |
| Suburban | 23 | 0 | 0.0 | |
| Rural | 61 | 4 | 6.6 | |
| Educational level | ||||
| No education | 8 | 1 | 12.5 | 0.28 |
| 1 to 6 years | 253 | 12 | 4.7 | |
| 7–12 years | 49 | 0 | 0.0 | |
| >12 years | 1 | 0 | 0.0 | |
| Occupation | ||||
| Housewife | 190 | 11 | 5.8 | 0.75 |
| Business | 2 | 0 | 0.0 | |
| Employee | 89 | 2 | 2.2 | |
| Student | 15 | 0 | 0.0 | |
| Professional in biomedical area | 4 | 0 | 0.0 | |
| Professional in non-biomedical area | 5 | 0 | 0.0 | |
| None | 6 | 0 | 0.0 | |
| Socioeconomic level | ||||
| Low | 181 | 9 | 5.0 | 0.41 |
| Medium | 130 | 4 | 3.1 | |