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Table 4 Regression analysis on the association of maternal nationality with preterm birth and low birth weight at term

From: Association of maternal nationality with preterm birth and low birth weight rates: analysis of nationwide data in Japan from 2016 to 2020

 

Preterm birth

Low birth weight at term

Maternal nationality

RR (95% CI)*

p-value

RR (95% CI)*

p-value

Japan

Reference

 

Reference

 

Korea

0.870 (0.788, 0.960)

0.006

0.664 (0.594, 0.742)

< 0.001

China

0.899 (0.841, 0.960)

0.002

0.447 (0.410, 0.488)

< 0.001

Philippines

1.520 (1.413, 1.637)

< 0.001

0.867 (0.788, 0.956)

0.004

Brazil

1.329 (1.170, 1.511)

< 0.001

0.692 (0.580, 0.826)

< 0.001

Other countries

1.222 (1.159, 1.287)

< 0.001

0.887 (0.833, 0.945)

< 0.001

  1. RR Relative risk, CI Confidence interval
  2. *Maternal age, sex, parity, household occupation, and paternal nationality were adjusted
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Maternal Health, Neonatology and Perinatology

ISSN: 2054-958X

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