Racial/ethnic differences in weekend delivery after induction of labor

G. H. Falciglia*, W. A. Grobman, K. Murthy

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Objective: To determine whether the frequency induction of labor (IOL) varies by day of the week based on maternal race/ethnicity. Study design: Gravid women in the US from 2007 to 2010 were stratified into <34, 34 to 36, 37 to 38 and ≥39 weeks. Multivariable analyses estimated the association between weekend delivery, race/ethnicity (categorized as non-Hispanic white, Hispanic white, black and 'other') and their interaction with induction. Result: After 34 weeks, induction was less likely on the weekend (P<0.01) and less likely in black, Hispanic or 'other' women relative to non-Hispanic whites (P<0.01). However, there was a significant positive interaction between race/ethnicity and weekend delivery (P<0.001). During the late preterm gestation, weekend IOL was greater in black women (odds ratio, 1.08). Conclusion: The difference in IOL by race/ethnicity increased with gestational age. This difference was least on the weekends.

Original languageEnglish (US)
Pages (from-to)809-812
Number of pages4
JournalJournal of Perinatology
Issue number10
StatePublished - Oct 1 2015

ASJC Scopus subject areas

  • Obstetrics and Gynecology
  • Pediatrics, Perinatology, and Child Health


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