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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

journal contribution
posted on 2023-05-26, 15:31 authored by Venn, AJ, Thomson, RJ, Schmidt, MD, Cleland, VJ, Curry, BA, Gennat, H, Dwyer, T
Objective: To examine overweight and obesity in Australian children followed through to adulthood. Design and participants: A cohort study of 8498 children aged 7‚Äö-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‚Äö-34 years in 2001‚Äö-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‚Äö-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‚Äö-7.2 for boys and RR=9.2; 95% CI, 6.9‚Äö-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.

History

Publication title

Medical Journal of Australia

Volume

186

Article number

9

Number

9

Pagination

458-460

ISSN

0025-729X

Publication status

  • Published

Repository Status

  • Restricted

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