Research Article
Seroprevalence and Associated Risk Factors for Toxoplasma gondii Infection in Healthy Blood Donors: A Cross-Sectional Study in Sonora, Mexico
Table 1
Sociodemographic characteristics of blood donors and prevalence of T. gondii infection.
| Characteristic | Number | Prevalence of T. gondii infection | value | Number | % |
| Age groups (years) | | | | | 30 or less | 206 | 15 | 7.3 | 0.001 | 31–50 | 186 | 38 | 20.4 | >50 | 16 | 2 | 12.5 |
| Gender | | | | | Male | 334 | 47 | 14.1 | 0.45 | Female | 74 | 8 | 10.8 |
| Birth place | | | | | Sonora state | 366 | 49 | 13.4 | 0.59 | Other Mexican states | 39 | 5 | 12.8 | Abroad | 3 | 1 | 33.3 |
| Residence area | | | | | Urban | 373 | 45 | 12.1 | 0.008 | Suburban | 27 | 9 | 33.3 | Rural | 8 | 1 | 12.5 |
| Educational level | | | | | No education | 10 | 4 | 40.0 | 0.004 | 1 to 6 years | 48 | 6 | 12.5 | 7–12 years | 216 | 36 | 16.7 | >12 years | 134 | 9 | 6.7 |
| Occupation | | | | | Laborer | 328 | 51 | 15.5 | 0.01 | Nonlaborer | 80 | 4 | 5.0 |
| Socioeconomic level | | | | | Low | 195 | 32 | 16.4 | 0.24 | Medium | 212 | 23 | 10.8 | High | 1 | 0 | 0.0 |
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Laborer: construction, professional, business, agriculture, factory worker, and others. Nonlaborer: housewife, student, or no occupation.
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