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Table 3 Association between neighborhood socioeconomic status1 and preterm delivery among births in Santiago, Chile, 2004

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

Census District SES Score

Preterm Delivery

Preterm Low Birthweight Delivery

 

Crude

Adjusted1

Crude

Adjusted2

 

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

1st Quartile

REFERENT

REFERENT

REFERENT

REFERENT

2nd Quartile

1.12 (1.00, 1.24)

1.10 (0.98, 1.23)

1.14 (0.99, 1.31)

1.13 (0.98, 1.31)

3rd Quartile

1.12 (1.00, 1.24)

1.09 (0.97, 1.21)

1.19 (1.03, 1.37)

1.16 (1.00, 1.34)

4th Quartile

1.07 (0.96, 1.19)

1.03 (0.92, 1.15)

1.14 (0.99, 1.31)

1.11 (0.95, 1.29)

Continuous Score

1.03 (0.99, 1.07)

1.02 (0.97, 1.06)

1.05 (1.00, 1.11)

1.04 (0.99, 1.10)

  1. 1 based on principal components analysis of 10 census items
  2. 2 adjusted for parity, sex of child, maternal age and maternal education using multi-level logistic regression with random effects for census district intercepts