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Relationship between dietary patterns and stunting in preschool children: a cohort analysis from Kwale, Kenya

J Tanaka1, K Yoshizawa2, K Hirayama3

  • 1Nagasaki University Graduate School of Biomedical Sciences, Japan; Department of Ecoepidemiology, Institute of Tropical Medicine, Nagasaki University, Japan.

Public Health
|June 30, 2019
PubMed

Insights

A traditional diet increases stunting risk in children aged 12-35 months. Protein-rich diets are protective, suggesting targeted nutritional interventions are crucial for preventing childhood stunting.

Area of Science:

  • Pediatric Nutrition
  • Public Health
  • Child Development

Background:

  • Childhood stunting is a major cause of cognitive impairment and reduced academic success.
  • Stunting affects preschool children in Africa, with variations observed even within the same communities.
  • Identifying protective nutritional factors is essential for local interventions.

Purpose of the Study:

  • To identify nutritional and other community-level factors that prevent stunting in preschool children.
  • To analyze the association between dietary patterns and stunting risk.
  • To determine the most vulnerable age groups for stunting.

Main Methods:

  • Prospective cohort study in Kwale County, Kenya.
  • Dietary patterns (DP) assessed using semi-quantitative food frequency questionnaires.
  • Cluster analysis identified three DPs: protein-rich, traditional, and traditional with breastfeeding; logistic regression analyzed stunting risk.

Main Results:

  • A traditional DP was associated with a higher risk of stunting (aOR=2.78) compared to a protein-rich DP.
  • Children aged 12-35 months were most vulnerable to stunting.
  • The effect of DPs on stunting risk was modified by age, with the highest risk observed in this younger age group.

Conclusions:

  • Traditional dietary patterns pose a greater risk for stunting than protein-rich diets.
  • The critical window for stunting prevention is between 12 and 35 months of age.
  • Interventions should prioritize protein-rich food access for children in this age range.
Abstract

Keywords:
AfricaCohort studyDietary diversityDietary patternPreschool childrenStunting

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