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Table 2 Univariable and multivariable analysis of possible demographic and risk factors for toxoplasmosis in Hanoi hospital

From: Sero-epidemiological status and risk factors of toxoplasmosis in pregnant women in Northern Vietnam

Variable IgG seronegative
No. (%) or mean (sd)
IgG seropositive
No. (%) or mean (sd)
Odds Ratio
(95% CI)
P-value
Univariable analysis
Gestational weeks 12 (1) 13 (1) 2.49 (1.20–5.18) 0.015
Government employed     0.130
No 229 (97.0%) 7 (3.0%)  
Yes 154 (93.3%) 11 (6.7%) 2.34 (0.886–6.16)  
Consumption of chicken or duck     0.046a,b
No 28 (87.5%) 4 (12.5%)  
Yes 355 (96.2%) 14 (3.8%) 0.258 (0.083–0.806)  
Consumption of cat meat     0.091
No 324 (96.4%) 12 (3.6%)  
Yes 59 (90.8%) 6 (9.2%) 2.75 (0.992–7.60)  
Household tasks related contact with soil/sand/floor/pavement/ street     0.0733
No 311 (96.6%) 11 (3.4%)  
Yes 72 (91.1%) 7 (8.9%) 2.75 (1.03–7.34)  
Multivariable analysis
 Gestational weeks 12 (1) 13 (1) 2.29 (1.15–4.59) 0.019b
 Government employed 154 (93.3%) 11 (6.7%) 3.11 (1.14–8.49) 0.027b
 Consumption of chicken or duck 355 (96.2%) 14 (3.8%) 0.191 (0.056–0.648) 0.008b
 Household tasks related contact with soil/sand/floor/pavement/ street 72 (91.1%) 7 (8.9%) 2.65 (1.00–7.01) 0.050b
  1. aFisher’s exact test; bObtained using Firth’s bias reduction method [20]
  2. Abbreviations: CI confidence interval, sd standard deviation