Australian Institute of Health and Welfare (2021) Heart, stroke and vascular disease—Australian facts, AIHW, Australian Government, accessed 08 December 2022.
Australian Institute of Health and Welfare. (2021). Heart, stroke and vascular disease—Australian facts. Retrieved from https://www.aihw.gov.au/reports/heart-stroke-vascular-diseases/hsvd-facts
Heart, stroke and vascular disease—Australian facts. Australian Institute of Health and Welfare, 29 September 2021, https://www.aihw.gov.au/reports/heart-stroke-vascular-diseases/hsvd-facts
Australian Institute of Health and Welfare. Heart, stroke and vascular disease—Australian facts [Internet]. Canberra: Australian Institute of Health and Welfare, 2021 [cited 2022 Dec. 8]. Available from: https://www.aihw.gov.au/reports/heart-stroke-vascular-diseases/hsvd-facts
Australian Institute of Health and Welfare (AIHW) 2021, Heart, stroke and vascular disease—Australian facts, viewed 8 December 2022, https://www.aihw.gov.au/reports/heart-stroke-vascular-diseases/hsvd-facts
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Overweight and obesity increase the risk of chronic diseases including heart attack and stroke, and are associated with increased morbidity and mortality. Excess body fat can contribute to the development of biomedical risk factors, raising levels of blood pressure and abnormal blood lipids, and increasing the risk of type 2 diabetes.
Overweight and obesity usually occur because of an imbalance between energy intake from the diet and energy expenditure through physical activities and bodily functions. This energy imbalance is influenced by a complex interplay of individual, environmental and societal determinants (AIHW 2017).
Adults with a body mass index (BMI) (kg/m2) of 25–29 are considered to be overweight but not obese, while a BMI of 30 or over is classified as obese. A separate classification of overweight and obesity based on age and sex is used for children and adolescents.
In 2017–18, based on measured data from the 2017–18 National Health Survey:
After adjusting for different population age structures over time, the prevalence of overweight and obesity among Australians aged 18 and over increased from 57% in 1995 to 67% in 2017–18. This was largely due to an increase in obesity rates, from 19% in 1995 to 31% in 2017–18 (Figure 1).
The line chart compares the distribution of body mass index in 1995 and 2017–18, and shows that a greater proportion were overweight or obese in 2017–18.
After adjusting for different population age structures:
AIHW 2017. A picture of overweight and obesity in Australia. Cat. no. PHE 216. Canberra: AIHW.
AIHW 2020. Overweight and obesity: an interactive insight. Cat. no. PHE 251. Canberra: AIHW.
AIHW & NIAA (National Indigenous Australians Agency) 2020. Aboriginal and Torres Strait Islander Health Performance Framework 2020 web report. Measure 2.22 Overweight and obesity. Canberra: AIHW.
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