Variable | OR (95% IC) | p-value | OR (95% IC) | p-value |
---|---|---|---|---|
Unadjusted | Adjusted by age | |||
Age | ||||
≤ 25 years old (ref) | ||||
25–29 years old | 0.962 (0.439–2.059) | 0.923 | ||
≥ 30 years old | 0.609 (0.286–1.272) | 0.190 | ||
Residence | ||||
Belas | 1.226 (0.540–2.667) | 0.613 | 1.214 (0.533–2.649) | 0.631 |
Cacuaco | 0.651 (0.034–3.563) | 0.688 | 0.665 (0.035–3.702) | 0.704 |
Viana | 1.242 (0.547–2.704) | 0.590 | 1.279 (0.561–2.796) | 0.543 |
Cazenga | 0.977 (0.218–3.131) | 0.973 | 1.020 (0.227–3.289) | 0.976 |
Luanda (ref) | ||||
Education | ||||
Low (up to elementary school) | 0.619 (0.304–1.196) | 0.167 | 0.615 (0.300–1.197) | 0.166 |
High (high school or higher education) (ref) | ||||
Employment | ||||
Public administration | 1.510 (0.704–3.395) | 0.299 | 1.761 (0.792–4.121) | 0.175 |
Homemakers | 1.033 (0.340–2.863) | 0.951 | 1.102 (0.361–3.079) | 0.856 |
Student | 1.402 (0.516–3.664) | 0.492 | 1.064 (0.368–3.001) | 0.905 |
Street vendor, saleslady and restaurant waitress (ref) | ||||
Marital status | ||||
Single (ref) | ||||
Married | 1.347 (0.696–2.543) | 0.363 | 1.390 (0.715–2.639) | 0.319 |
Gestational age | ||||
1st trimester (ref) | ||||
2nd and 3rd trimester | 1.346 (0.722–2.536) | 0.351 | 1.377 (0.737–2.604) | 0.317 |
Number of births | ||||
0 | 2.478 (1.144–5.374) | 0.0203* | 2.673 (1.026–7.007) | 0.0439* |
1 | 1.692 (0.789–3.627) | 0.1724 | 1.694 (0.748–3.825) | 0.2020 |
2 or 3 (ref) | ||||
Children at home | ||||
0 or 1 | 1.818 (0.969–3.404) | 0.0606 | 1.689 (0.840–3.394) | 0.139 |
2 or more (ref) | ||||
Spontaneous abortion | ||||
Yes | 3.048 (1.135–7.394) | 0.018* | 3.232 (1.192–7.952) | 0.0139* |
No (ref) | ||||
History of miscarriages | ||||
Yes (ref) | ||||
No | 2.062 (1.069–4.194) | 0.0364* | 2.048 (0.957–4.508) | 0.0676 |
Hepatitis B | ||||
Positive | 0.844 (0.413–1.636) | 0.627 | 0.839 (0.410–1.629) | 0.617 |
Negative (ref) | ||||
HIV | ||||
Positive | 4.168 (1.235–26.00) | 0.053 | 4.121 (1.217–25.748) | 0.0553 |
Negative (ref) | ||||
Access to basic sanitation | ||||
Yes (ref) | ||||
No | 0.892 (0.452–1.697) | 0.735 | 0.867 (0.437–1.653) | 0.672 |