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Table 3 Binomial logistic regression models for the final analysis of risk factors associate for seropositivity of IgG anti-rubella antibodies in 396 pregnant woman in Luanda province, Angola

From: Seroepidemiology study of Cytomegalovirus and Rubella in pregnant women in Luanda, Angola: geospatial distribution and its association with socio-demographic and clinical-obstetric determinants

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

  1. OR Odds ratio, CI confidence interval
  2. *Statistically significant (p < 0.05)