Overweight and obesity in Australia: The 1999-2000 Australian Diabetes, Obesity and Lifestyle Study (AusDiab)

Cameron, Adrian J., Welborn, Timothy A., Zimmet, Paul Z., Dunstan, David W., Owen, Neville, Salmon, Jo, Dalton, Marita, Jolley, Damien and Shaw, Jonathan E. (2003-05-05) Overweight and obesity in Australia: The 1999-2000 Australian Diabetes, Obesity and Lifestyle Study (AusDiab). Medical Journal of Australia, 178 9: 427-432.


Author(s) Cameron, Adrian J.
Welborn, Timothy A.
Zimmet, Paul Z.
Dunstan, David W.
Owen, Neville
Salmon, Jo
Dalton, Marita
Jolley, Damien
Shaw, Jonathan E.
Title Overweight and obesity in Australia: The 1999-2000 Australian Diabetes, Obesity and Lifestyle Study (AusDiab)
Journal name Medical Journal of Australia
Publication date 2003-05-05
Volume number 178
Issue number 9
ISSN 0025-729X
Start page 427
End page 432
Total pages 6
Editor(s) Martin Van Der Weyden
Place of publication Sydney, Australia
Publisher Australian Med Publ Co Ltd
Collection year 2003
Language eng
Subject C1
321202 Epidemiology
730219 Behaviour and health
Abstract Objective: To measure the prevalence of obesity in Australian adults and to examine the associations of obesity with socioeconomic and lifestyle factors. Design: AusDiab, a cross-sectional study conducted between May 1999 and December 2000, involved participants from 42 randomly selected districts throughout Australia. Participants: Of 20 347 eligible people aged greater than or equal to 25 years who completed a household interview, 11247 attended the physical examination at local survey sites (response rate, 55%). Main outcome measures: Overweight and obesity defined by body mass index (BMI; kg/m(2)) and waist circumference (cm); sociodemographic factors (including smoking, physical activity and television viewing time). Results: The prevalence of overweight and obesity (BMI greater than or equal to 25.0 kg/m(2); waist circumference greater than or equal to 80.0 cm [women] or greater than or equal to 94.0 cm [men]) in both sexes was almost 60%, defined by either BMI or waist circumference. The prevalence of obesity was 2.5 times higher than in 1980. Using waist circumference, the prevalence of obesity was higher in women than men (34.1% v 26.8%; P < 0.01). Lower educational status, higher television viewing time and lower physical activity time were each strongly associated with obesity, with television viewing time showing a stronger relationship than physical activity time. Conclusions: The prevalence of obesity in Australia has more than doubled in the past 20 years. Strong positive associations between obesity and each of television viewing time and lower physical activity time confirm the influence of sedentary lifestyles on obesity, and underline the potential benefits of reducing sedentary behaviour, as well as increasing physical activity, to curb the obesity epidemic.
Keyword(s) Medicine, General & Internal
Time Physical-activity
Prevalence
Adults
Trends
Waist
 
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