Prevalence of class-I, class-II and class-III obesity in Australian adults between 1995 and 2011-12

Keating, Catherine, Backholer, Kathryn, Gearon, Emma, Stevenson, Christopher, Swinburn, Boyd, Moodie, Marj, Carter, Rob and Peeters, Anna 2015, Prevalence of class-I, class-II and class-III obesity in Australian adults between 1995 and 2011-12, Obesity research & clinical practice, vol. 9, no. 6, pp. 553-562, doi: 10.1016/j.orcp.2015.02.004.

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Title Prevalence of class-I, class-II and class-III obesity in Australian adults between 1995 and 2011-12
Author(s) Keating, Catherine
Backholer, KathrynORCID iD for Backholer, Kathryn
Gearon, Emma
Stevenson, ChristopherORCID iD for Stevenson, Christopher
Swinburn, Boyd
Moodie, MarjORCID iD for Moodie, Marj
Carter, RobORCID iD for Carter, Rob
Peeters, AnnaORCID iD for Peeters, Anna
Journal name Obesity research & clinical practice
Volume number 9
Issue number 6
Start page 553
End page 562
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-11
ISSN 1871-403X
Keyword(s) Australia
Summary OBJECTIVE: To compare the prevalence of class-I, II and III obesity in Australian adults between 1995, 2007-08 and 2011-12. METHODS: Prevalence data for adults (aged 18+ years) were sourced from customised data from the nationally representative National Nutrition Survey (1995), the National Health Survey (2007-08), and the Australian Health Survey (2011-12) conducted by the Australian Bureau of Statistics. Obesity classifications were based on measured height and weight (class-I body mass index: 30.0-34.9kg/m(2), class-II: 35.0-39.9kg/m(2) and class-III: ≥40.0kg/m(2)). Severe obesity was defined as class-II or class-III obesity. RESULTS: Between 1995 and 2011-12, the prevalence of obesity (all classes combined) increased from 19.1% to 27.2%. During this 17 year period, relative increases in class I, II and III obesity were 1.3, 1.7 and 2.2-fold respectively. In 2011-12, the prevalence of class I, II and III obesity was 19.4, 5.9 and 2.0 per cent respectively in men, and 16.1, 6.9 and 4.2 per cent respectively in women. One in every ten people was severely obese, increasing from one in twenty in 1995, and women were disproportionally represented in this population. Obesity prevalence increased with increasing levels of area-level socioeconomic disadvantage, particularly for the more severely obese classes. Severe obesity affected 6.2% and 13.4% in the least and most disadvantaged quintiles respectively. CONCLUSION: Over the last two decades, there have been substantial increases in the prevalence of obesity, particularly the more severe levels of obesity. This study highlights high risk groups who warrant targeted weight gain prevention interventions.
Language eng
DOI 10.1016/j.orcp.2015.02.004
Field of Research 111711 Health Information Systems (incl Surveillance)
Socio Economic Objective 920499 Public Health (excl. Specific Population Health) not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
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Document type: Journal Article
Collections: Faculty of Health
Population Health
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