Changing patterns of under- and over-nutrition in South African children-future risks of non-communicable diseases

Champaklal C Jinabhai1, Myra Taylor, Keith R Sullivan

  • 1Department of Community Health, Nelson R. Mandela School of Medicine, University of Natal, Durban, South Africa.

Insights

South African children show concerning rates of both undernutrition (stunting, wasting) and overnutrition (overweight, obesity). This dual burden indicates a changing nutritional landscape requiring urgent intervention to prevent future non-communicable diseases.

Area of Science:

  • Pediatric Nutrition
  • Public Health
  • Nutritional Epidemiology

Background:

  • Childhood malnutrition in KwaZulu-Natal, South Africa, presents a complex challenge.
  • Previous studies have documented varying degrees of under- and over-nutrition in different child populations.

Purpose of the Study:

  • To investigate the prevalence of under- and over-nutrition in children in KwaZulu-Natal.
  • To compare nutritional status across different datasets and age groups.
  • To identify trends and potential shifts in nutritional patterns.

Main Methods:

  • Retrospective analysis of secondary data from four studies: National Schools Study, Vitamin A Consultative Group Study, Income Dynamics Study, and a primary dataset from a rural district.
  • Assessment of stunting and wasting using WHO/NCHS guidelines.
  • Evaluation of overweight and obesity using International Obesity Task Force guidelines.
  • Comparison of nutritional indicators in children aged 4-5 and 8-11 years.

Main Results:

  • Moderate stunting (10-25%), wasting (1-6%), overweight (5-24%), and obesity (1-10%) were observed.
  • Girls exhibited a higher prevalence of overweight and obesity compared to boys.
  • Boys showed a significantly higher prevalence of stunting and wasting.
  • An increasing trend in overweight and obesity was noted across both age groups.

Conclusions:

  • Co-existing stunting and overweight/obesity suggest a nutritional transition in South African children.
  • Urgent public health action is needed to address this dual burden of malnutrition.
  • Interventions should focus on preventing future non-communicable diseases associated with changing nutritional patterns.

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