Open Access
Table 2
Best-fitting model multivariate of risk factors for Toxoplasma gondii seropositivity.
| Risk factors | OR (95% CI) | p-value |
|---|---|---|
| Region | ||
| Gafsa | ||
| Monastir | 2.72 (1.49–4.94) | 0.0011 |
| Age (years) | ||
| 18–25 | ||
| 26–35 | 4.98 (1.50–16.58) | 0.0089 |
| 36–45 | 0.44 (0.15–1.30) | 0.1363 |
| >45 | 0.71 (0.21–2.43) | 0.5861 |
| Residence area | ||
| Rural | ||
| Urban | 0.30 (0.13–0.71) | 0.0064 |
| Hand washing before eating | ||
| No | ||
| Yes | 0.52 (0.37–0.74) | 0.0003 |
| Age (years)*Region | ||
| 18–25*Gafsa | ||
| 18–25*Monastir | ||
| 26–35*Gafsa | ||
| 26–35*Monastir | 0.26 (0.11–0.57) | 0.0009 |
| 36–45*Gafsa | ||
| 36–45*Monastir | 1.14 (0.47–2.80) | 0.7714 |
| >45*Gafsa | ||
| >45*Monastir | 0.99 (0.33–2.97) | 0.9797 |
| Age (years)*Residence area | ||
| 18–25*Rural | ||
| 18–25*Urban | ||
| 26–35*Rural | ||
| 26–35*Urban | 1.17 (0.32–4.22) | 0.8107 |
| 36–45*Rural | ||
| 36–45*Urban | 2.90 (0.87–9.66) | 0.0832 |
| >45*Rural | ||
| >45*Urban | 5.31 (1.33–21.27) | 0.0184 |
OR, odds ratio; CI, confidence interval.
*: interaction between significant variables.
Hosmer–Lemeshow χ 2 = 1.50, p = 0.959, receiver-operating characteristic curve (ROC) = 0.69.
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