Skip to main content

Table 3 Factors associated with major birth defects: unadjusted and adjusted odds ratio

From: Major birth defects in the Brazilian side of the triple border: a population-based cross-sectional study

  With major birth defect Without major birth defect Unadjusted Adjusteda
Variável N = 140 (%) N = 30,589 (%) OR CI 95% p value OR CI 95% p value
Maternal education
 Up to 7 years of study 41 (30) 6.739 (22) 1.46b 1.01–2.10 0.0414 1.58b 1.07–2.33 0.0213
 More than 7 years of study 99 (70) 23.792 (78) 1.00
Maternal race
 White 92 (65.7) 19.118 (62.9) 1.00
 Other 48 (34.3) 11.297 (37.1) 0.88 0.62–1.25 0.4854 0.82 0.57–1.19 0.3078
Country of residence
 Brazil 129 (92.1) 28.894 (94.5) 1.00
 Others 11 (7.9) 1.695 (5.5) 1.45 0.78–2.69 0.2392 1.11 0.54–2.29 0.7611
Maternal parity
 Primiparous 59 (42) 11.862 (39) 1.00
 Multiparous 81 (58) 18.596 (61) 0.87 0.62–1.22 0.4392 0.82 0.58–1.18 0.2981
Onset of prenatal care
 First trimester 104 (80) 24.974 (84) 1.00
 After the first trimester 27 (20) 4.782 (16) 1.35 0.88–2.07 0.1590 1.29 0.83–1.99 0.2450
  1. aEstimates adjusted for all variables in the table
  2. bStatistically significant association