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Research Article

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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