Table 2 Univariate and multivariate regression analysis of factors associated with IgG seropositivity
Characteristics | IgG seropositivity (N, %) | Univariate | Multivariate | ||
|---|---|---|---|---|---|
OR(95% CI) | P value | OR(95% CI) | P value | ||
Age(years)a | 21IQR(19–26) | 1.000(0.956–1.046) | 0.984 | ||
Gestation age | |||||
First trimester (116) | 66(56.9) | ||||
Second trimester(109) | 66(60.5) | 1.1(0.68–1.97) | 0.578 | 1.27(0.73–2.2) | 0.391 |
Third trimester(33) | 10(30.3) | 0.32(0.14–0.75) | 0.009 | 0.38(0.16–0.92) | 0.033 |
Number in household | 4IQR(2–5) | 1.12(0.98–1.281) | 0.094 | 1.08(0.94–1.25) | 0.130 |
Location | |||||
Urban (168) | 88 (52.38) | 1 | |||
Rural (90) | 54 (60.0) | 1.36(0.81–2.29) | 0.242 | ||
Education | |||||
High (50) | 24 (48) | 1 | |||
Low (208) | 118 (56.7) | 1.42(0.76–2.64) | 0.266 | ||
Occupation | |||||
Employed (183) | 102 (55.7) | 1 | |||
No employment (75) | 40 (53.3) | 0.91(0.53–1.56) | 0.724 | ||
HIV status | |||||
Negative (95) | 49 (51.6) | 1 | |||
Positive (8) | 6 (75.0) | 2.82(0.54–14.67) | 0.219 | ||
Unknown (155) | 87 (56.1) | 1.20(0.72–2.00) | 0.483 | ||
History of premature baby | |||||
No (246) | 133 (54.1) | 1 | |||
Yes (12) | 9 (75.0) | 2.54(0.67–9.64) | 0.168 | 0.66(0.08–5.15) | 0.697 |
History of miscarriage | |||||
No (226) | 124 (54.9) | 1 | |||
Yes (32) | 18 (56.3) | 1.06(0.51–2.22) | 0.883 | ||
History of baby with malformation | |||||
No (252) | 138 (54.8) | 1 | |||
Yes (6) | 4 (66.7) | 1.65(0.30–9.18) | 0.566 | ||
History of baby with low birth weight | |||||
No (234) | 121 (51.7) | 1 | |||
Yes (24) | 21 (87.5) | 6.54(1.90–22.51) | 0.003 | 10(1.82–58.05) | 0.010 |