Effect of the INSIGHT Firstborn Parenting Intervention on Secondborn Sleep

BACKGROUND AND OBJECTIVES: The Intervention Nurses Start Infants Growing on Healthy Trajectories (INSIGHT) responsive parenting (RP) intervention for first-time mothers improved firstborn infant sleep compared with controls. The goals of this analysis were to test intervention spillover effects on secondborn siblings and examine birth order differences in infant sleep.METHODS: Secondborns (n = 117) of INSIGHT mothers were enrolled in an observational cohort, SIBSIGHT. The Brief Infant Sleep Questionnaire was collected at 3, 16, and 52 weeks. Generalized linear mixed models assessed differences among secondborns by firstborn randomization, as well as birth order differences at 16 and 52 weeks.RESULTS: The RP group secondborns slept 42 minutes longer at night (95% confidence interval [95% CI]: 19-64) and 53 minutes longer total (95% CI: 17-90) than control secondborns. RP secondborns were more likely to self-soothe to sleep (odds ratio [OR] = 2.0, 95% CI: 1.1-3.7) and less likely to be fed back to sleep after waking (OR = 0.5, 95% CI: 0.3-0.9) than secondborns of control mothers. RP secondborns were more likely to have a bedtime ≤8 pm at 3 (OR = 2.9, 95% CI: 1.1-7.7) and 16 weeks (OR = 4.7, 95% CI: 2.0-11.0). Few differences in sleep parenting practices were observed when comparing siblings within families. Secondborns slept 37 minutes longer than firstborns at 16 weeks (CI: 7-67, P = .03).CONCLUSIONS: The INSIGHT RP intervention for first-time mothers had a spillover effect to secondborns, positively impacting sleep duration and behaviors. Intervening with first-time mothers benefits both firstborns and subsequent children.

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Work Title Effect of the INSIGHT Firstborn Parenting Intervention on Secondborn Sleep
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Open Access
Creators
  1. Emily E. Hohman
  2. Jennifer S Williams
  3. J S Savage
  4. M E Marini
  5. S Anzman-Frasca
  6. Orfeu M Buxton
  7. E Loken
  8. Ian Paul
License In Copyright (Rights Reserved)
Work Type Article
Publisher
  1. Pediatrics
Publication Date June 1, 2022
Publisher Identifier (DOI)
  1. https://doi.org/10.1542/peds.2021-055244
Deposited January 30, 2023

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Version 1
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  • Created
  • Added 2022_SIBSIGHT_Sleep_Pediatrics.pdf
  • Added Creator Emily E. Hohman
  • Added Creator Jennifer S Williams
  • Added Creator J S Savage
  • Added Creator M E Marini
  • Added Creator S Anzman-Frasca
  • Added Creator Orfeu M Buxton
  • Added Creator E Loken
  • Added Creator Ian Paul
  • Published