Stunting at 5 years among SGA newborns

Chuanbo Xie, Leonard H. Epstein, Rina D. Eiden, Edmond D. Shenassa, Xiuhong Li, Yan Liao, Xiaozhong Wen

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

OBJECTIVE: To compare risk of stunting at 5 years across etiological subgroups of small for gestational age (SGA) newborns. METHODS: We analyzed data of a subsample (N = 1100) of the Early Childhood Longitudinal Study-Birth Cohort. We defined SGA as birth weight <10th percentile, then classified subjects into etiological subgroups by each of 8 risk factors (ie, maternal prepregnancy underweight, short stature, smoking during pregnancy, alcohol use during pregnancy, inadequate gestational weight gain [GWG], hypertension, genital herpes infection, and multiple births) or by cooccurrence of 2 often intertwined risk factors (smoking and inadequate GWG). We defined stunting as 5 years height-for-age z score below -2. We fitted logistic regression models to test whether the risk of stunting differed across SGA subgroups, adjusting for confounders. RESULTS: SGA subgroup with maternal short stature (odds ratio [OR] = 3.88; 95% confidence interval [CI] = 2.16-6.96) or inadequate GWG (OR = 2.18; 95% CI = 1.23-3.84) had higher risk of stunting at 5 years, compared with the SGA subgroup without the corresponding risk factor. SGA newborns with both maternal smoking and inadequate GWG during pregnancy had much higher risk of stunting at 5 years (OR = 3.10; 95% CI = 1.21-7.91), compared with SGA newborns without any of these 2 SGA risk factors. CONCLUSIONS: Etiological subgroups of SGA differed in risk of stunting at 5 years. SGA newborns of inadequate GWG mothers who smoke and SGA newborns of short mothers were at particularly high risk of stunting.

Original languageEnglish (US)
Article numbere20152636
JournalPediatrics
Volume137
Issue number2
DOIs
StatePublished - Feb 2016

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health

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