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Table 2 Association between years of maternal education and preterm delivery among mothers 18 years of age and older, Santiago, Chile, 2004

From: Multi-level modeling of social factors and preterm delivery in Santiago de Chile

Maternal Education (years)

Preterm Delivery

Preterm Low Birthweight Delivery

 

Crude

Adjusted3

Crude

Adjusted3

 

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

< 12 yrs

1.12 (1.03, 1.23)

1.17 (1.06, 1.29)

1.14 (1.01, 1.29)

1.27 (1.11, 1.45)

= 12 yrs

1.05 (0.97, 1.14)

1.10 (1.01, 1.20)

1.12 (1.00, 1.26)

1.20 (1.06, 1.35)

> 12 yrs

REFERENT

REFERENT

REFERENT

REFERENT

homogenetity1

p = 0.04

p < 0.01

p = 0.06

p < 0.01

trend2

p = 0.01

p < 0.01

p = 0.03

p < 0.01

  1. 1 test of homogeneity (equal odds)
  2. 2 test for trend of odds
  3. 3 adjusted for parity, sex of child and maternal age using logistic regression