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Overweight and obesity from childhood to adulthood: a follow-up of participants in the 1985 Australian Schools Health and Fitness Survey

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Venn, AJ and Thomson, RJ and Schmidt, MD and Cleland, VJ and Curry, BA and Gennat, H and Dwyer, T (2007) Overweight and obesity from childhood to adulthood: a follow-up of participants in the 1985 Australian Schools Health and Fitness Survey. Medical Journal of Australia, 186 (9). pp. 458-460. ISSN 0025-729X

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Abstract

Objective: To examine overweight and obesity in Australian children followed through to adulthood.
Design and participants: A cohort study of 8498 children aged 7–15 years who participated in the 1985 Australian Schools Health and Fitness Survey; of these,2208 men and 2363 women completed a follow-up questionnaire at age 24–34 years in 2001–2005.
Main outcome measures: Height and weight were measured in 1985, and self-reported at follow-up. The accuracy of self-reported data was checked in 1185 participants. Overweight and obesity in childhood were defined according to international standard definitions for body mass index (BMI), and, in adulthood, as a BMI of 25–29.9 and >=30kg/m2, respectively, after correcting for self-report error.
Results: In those with baseline and follow-up data, the prevalence of overweight and obesity in childhood was 8.3% and 1.5% in boys and 9.7% and 1.4% in girls, respectively.
At follow-up, the prevalence was 40.1% and 13.0% in men and 19.7% and 11.7% in women. The relative risk (RR) of becoming an obese adult was significantly greater for those
who had been obese as children compared with those who had been a healthy weight (RR=4.7; 95% CI, 3.0–7.2 for boys and RR=9.2; 95% CI, 6.9–12.3 for girls). The proportion
of adult obesity attributable to childhood obesity was 6.4% in males and 12.6% in females.
Conclusion: Obesity in childhood was strongly predictive of obesity in early adulthood but most obese young adults were a healthy weight as children.

Item Type: Article
Keywords: CDAH, Menzies Research Institute
Journal or Publication Title: Medical Journal of Australia
Page Range: pp. 458-460
ISSN: 0025-729X
Date Deposited: 03 Mar 2008 01:14
Last Modified: 18 Nov 2014 03:30
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