Prevalence of underweight, wasting and stunting among young children with a significant cognitive delay in 47 low-income and middle-income countries

E. Emerson, A. Savage, G. Llewellyn

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Background: Undernutrition in early childhood is associated with a range of negative outcomes across the lifespan. Little is known about the prevalence of exposure to undernutrition among young children with significant cognitive delay. Method: Secondary analysis of data collected on 161 188 three- and four-year-old children in 47 low-income and middle-income countries in Rounds 4–6 of UNICEF's Multiple Indicator Cluster Surveys. Of these, 12.3% (95% confidence interval 11.8–12.8%) showed evidence of significant cognitive delay. Results: In both middle-income and low-income countries, significant cognitive delay was associated with an increased prevalence of exposure to three indicators of undernutrition (underweight, wasting and stunting). Overall, children with significant cognitive delay were more than twice as likely than their peers to be exposed to severe underweight, severe wasting and severe stunting. Among children with significant cognitive delay (and after controlling for country economic classification group), relative household wealth was the strongest and most consistent predictor of exposure to undernutrition. Conclusions: Given that undernutrition in early childhood is associated with a range of negative outcomes in later life, it is possible that undernutrition in early childhood may play an important role in accounting for health inequalities and inequities experienced by people with significant cognitive delay in low-income and middle-income countries.

Original languageEnglish
Pages (from-to)93-102
Number of pages10
JournalJournal of Intellectual Disability Research
Volume64
Issue number2
DOIs
Publication statusPublished - Feb 2020
Externally publishedYes

Keywords

  • children
  • developmental delay
  • low-income countries
  • stunting
  • underweight
  • wasting

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