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Control of Eating Behavior Using a Novel Feedback System
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Is dieting behaviour decreasing in young adolescents?

Claire R Whittle1, John W G Yarnell, Mike Stevenson

  • 1Nutrition and Metabolism Group, Centre for Public Health, Queen's University Belfast, Institute of Clinical Science, Grosvenor Road, Belfast BT12 6BJ, UK. c.whittle@qub.ac.uk

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|November 26, 2011
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Adolescent obesity is rising in Northern Ireland, with fewer teens dieting despite weight gain. This trend is particularly concerning for girls from manual socio-economic backgrounds.

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Area of Science:

  • Public Health
  • Pediatric Endocrinology
  • Behavioral Science

Background:

  • Childhood obesity is a significant public health concern globally.
  • Adolescent weight trends and associated behaviors require ongoing monitoring.
  • Dieting behaviors in adolescents are less understood than weight status.

Purpose of the Study:

  • To analyze trends in underweight, overweight, and obesity among 12-15-year-old adolescents.
  • To examine changes in dieting behaviors in this age group over time.
  • To investigate potential socio-economic disparities in these trends.

Main Methods:

  • Comparative analysis of two cross-sectional surveys conducted in Northern Ireland.
  • Objective measurements of weight and height in a large cohort of adolescent boys and girls.
  • Self-reported data on adherence to weight-reduction diets.

Main Results:

  • Overweight and obesity prevalence increased significantly in both boys and girls between 1996 and 2007.
  • Underweight proportions decreased in both genders.
  • A notable increase in overweight/obesity was observed in girls from manual socio-economic backgrounds.
  • Fewer adolescents, especially girls, reported dieting, with a sharp decline in dieting among overweight/obese girls from manual backgrounds.

Conclusions:

  • Adolescent overweight and obesity continue to rise in Northern Ireland despite awareness campaigns.
  • Dieting behaviors have decreased among adolescents, particularly girls, even as body weight increases.
  • Socio-economic disparities in weight status and dieting behaviors are evident, requiring targeted interventions.