Table 2 Crude odds ratios (ORs) with 95% confidence intervals (CI) for various risk factors associated with seropositivity of Toxoplasma gondii antibodies among primary schoolchildren in the Democratic Republic of São Tomé and Príncipe
Variable | Group | ORs (95% CI) | p value |
|---|---|---|---|
Gender | Boys | Referent | |
Girls | 1.1 (0.6–1.7) | 0.9 | |
Age group (yr) | 8 | Referent | |
9 | 0.8 (0.3–2.0) | 0.9 | |
10 | 1.1 (0.5–2.7) | 0.8 | |
≧ 11 | 0.5 (0.2–1.2) | 0.1 | |
Parents jobs | Skilled worker | Referent | - |
Semiskilled worker | 1.2 (0.6–2.7) | 0.6 | |
Non-skilled worker | 2.9 (1.4–5.8) | 0.03 | |
Symptoms | Ocular | ||
No | Referent | - | |
Yes | 1.5 (0.7–3.3) | 0.3 | |
Headache | |||
No | Referent | - | |
Yes | 1.4 (0.8–2.5) | 0.3 | |
Abdominal pain | |||
No | Referent | - | |
Yes | 0.6 (0.3–1.2) | 0.2 | |
Seizure | |||
No | Referent | - | |
Yes | 0.6 (0.1–2.9) | 0.5 | |
Risk factors | Raising dogs | ||
No | Referent | - | |
Yes | 1.3 (0.8–2.3) | 0.3 | |
Raising cats | |||
No | Referent | - | |
Yes | - | < 0.001 | |
Playing in the soil | |||
No | Referent | - | |
Yes | 1.9 (0.3–14.2) | 0.5 | |
Eating raw meat | |||
No | Referent | - | |
Yes | - | 0.8 | |
Eating raw vegetables | |||
No | Referent | - | |
Yes | 0.8 (0.3–1.9) | 0.8 | |
Drink unboiled water | |||
No | Referent | - | |
Yes | 1.3 (0.7–2.4) | 0.4 |