Table 4 Univariable and multivariable logistic regression analysis of the factors associated with specific HBsAg positivity among 499 pregnant women attending ANC’s in Mwanza-rural Tanzania
Characteristics | HBsAg IgG Seropositivity (%) | Univariable | P – value | Multivariable | P – value |
|---|---|---|---|---|---|
*Age | 21 [IQR 21–33] | 1.06[1.00–1.12] | 0.034 |  |  |
Parity | 3 [IQR 1–5] | 1.2 [1.08–1.51] | 0.003 | 1.23[1.04–1.46] | 0.015 |
Gestational age | 22 [IQR 20–32] | 0.99 [0.94–1.03] | 0.679 |  |  |
Number sexual of partners | 3 [IQR 1–5] | 1.04 [0.96–1.12] | 0.304 |  |  |
Age at first sex | 17[IQR:15–20] | 1.02[0.97–1.06] | 0.319 |  |  |
Occupation | |||||
 Employed (143) | 7(4.90) | ref |  |  |  |
 Peasant (277) | 21(7.58) | 1.59[0.66–3.84] | 0.299 | 1.4[0.57–3.42] | 0.460 |
 House wife (79) | 1(1.27) | 0.24[0.03–2.06] | 0.197 | 0.30[0.03–2.52] | 0.269 |
Education | |||||
 Secondary (91) | 4 (4.40) | ref |  |  |  |
 Primary (319) | 19(5.96) | 1.37[0.46–4.15] | 0.570 |  |  |
 Never attended (89) | 6(6.74) | 1.57[0.42–5.77] | 0.495 |  |  |
Marital status | |||||
 Married (464) | 28(6.03) | ref |  |  |  |
 Not married (35) | 1(2.86) | 2.18[0.29–16.54] | 0.450 |  |  |
History of genital ulcer | |||||
 No (452) | 27(5.97) | ref |  |  |  |
 Yes (47) | 2(4.26) | 0.70[0.16–3.03] | 0.634 |  |  |
Genital ulcers | |||||
 Absent (471) | 28(5.94) | ref |  |  |  |
 Present (28) | 1 (3.57) | 0.58 [0.08–4.47] | 0.606 |  |  |
History of STIs | |||||
 No (261) | 13(4.98) | ref |  |  |  |
 Yes (238) | 16 (6.72) | 1.37 [0.65–2.92] | 0.408 |  |  |
HIV status | |||||
 Negative (474) | 29(6.12) | ref |  |  |  |
 Positive (25) | 0 (0.00) | Omitted |  |  |  |
Syphilis status | |||||
 Negative (479) | 28(5.85) | ref |  |  |  |
 Positive (20) | 1(5) | 0.85[0.11–6.56) | 0.874 |  |  |