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Table 6 Univariable and multivariable logistic regression analysis of the factors associated with at least one viral infection among 499 pregnant women attending ANC’s in Mwanza rural Tanzania

From: Treponema pallidum infection predicts sexually transmitted viral infections (hepatitis B virus, herpes simplex virus-2, and human immunodeficiency virus) among pregnant women from rural areas of Mwanza region, Tanzania

Characteristics Viral infection Univariable
OR (95%CI)
P value Multivariable
OR (95%CI)
P value
Age 27[IQR:22–32] 1.04[1.0–1.08] 0.042 1.00[0.94–1.06] 0.918
Parity 2[IQR: 1–4] 1.15[1.02–1.29] 0.016   
Gestation age 22[IQR:20–30] 0.97[0.94–1.00] 0.085   
Number of sexual partner 2.5[IQR:1–5] 1.03[0.97–1.09] 0.249   
Age at first sex 17[IQR:16–19] 1.01[0.92–1.11] 0.790   
Occupation
 Employed (143) 19(13.29%) ref    
 Peasant (277) 50(18.05%) 1.44[0.81–2.55] 0.213   
 House wife (79) 9(11.90%) 0.84[0.36–1.95] 0.684   
*Education
 Secondary (91 9(9.89%) ref    
 Primary (319) 50(15.7%) 1.69[0.79–3.59] 0.169 1.28[0.57–2.83] 0.539
 Never attended (89) 19(21.3%) 2.470[0.38–18.1.05] 0.038 1.58[0.63–4.00] 0.330
Marital status
 Married (464) 27(20.0%) ref    
 Not married (35) 71(15.30%) 1.38[0.58–3.29] 0.046   
History of genital ulcer
 No (471) 71(15.7%) ref    
 Yes (28) 7(14.9%) 0.93[0.40–2.17] 0.884   
Genital ulcers
 Absent (471) 74(15.7) ref    
 Present (28) 4 (14.3) 0.89 [0.30–2.65] 0.840   
aHistory of STIs
 No (261) 35(13.4) ref    
 Yes (238) 43(18.1) 1.42[0.87–2.31] 0.154 Omitted  
*Syphilis status
 Negative (479) 70(14.6%) ref    
 Positive (20) 8(40.0%) 3.89(1.53–9.87) 0.004 3.25[1.23–8.57] 0.016
  1. aOmitted because of collinearity. Syphilis status, education and history of STIs were subjected on multivariable analysis adjusted by age