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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