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Susan Chinn Department of
Public Health Sciences, King's College London, London SE1 3QD
Correspondence to: S
Chinn sue.chinn{at}kcl.ac.uk
Objectives:
To report trends in overweight and
obesity, defined by new internationally agreed cut-off points, in
children in the United Kingdom.
Design:
Three independent cross sectional surveys.
Setting:
Primary schools in England and Scotland.
Participants:
10 414 boys and 9737 girls in England
and 5385 boys and 5219 girls in Scotland aged 4 to 11 years.
Main outcome measures:
Prevalence and change in
prevalence of overweight and obesity, as defined by the international
obesity task force, in 1974, 1984, and 1994, for each sex and country.
Results:
Little change was found in the
prevalence of overweight or obesity from 1974 to 1984. From 1984 to
1994 overweight increased from 5.4% to 9.0% in English boys (increase 3.6%, 95% confidence interval 2.3% to 5.0%) and from 6.4% to
10.0% in Scottish boys (3.6%, 1.9% to 5.4%). Values for girls were
9.3% to 13.5% (4.1%, 2.4% to 5.9%) and 10.4% to 15.8% (5.4%,
3.2% to 7.6%), respectively. The prevalence of obesity increased
correspondingly, reaching 1.7% (English boys), 2.1% (Scottish boys),
2.6% (English girls), and 3.2% (Scottish girls).
Conclusion:
These results form a base from which
trends can be monitored. The rising trends are likely to be reflected in increases in adult obesity and associated morbidity.
© BMJ 2001
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