Projected socioeconomic disparities in the prevalence of obesity among Australian adults

Backholer, Kathryn, Mannan, Haider R., Magliano, Dianna J., Walls, Helen L., Stevenson, Chris, Beauchamp, Alison, Shaw, Jonathan E. and Peeters, Anna 2012, Projected socioeconomic disparities in the prevalence of obesity among Australian adults, Australian and New Zealand journal of public health, vol. 36, no. 6, pp. 557-563, doi: 10.1111/j.1753-6405.2012.00885.x.

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Title Projected socioeconomic disparities in the prevalence of obesity among Australian adults
Author(s) Backholer, Kathryn
Mannan, Haider R.
Magliano, Dianna J.
Walls, Helen L.
Stevenson, ChrisORCID iD for Stevenson, Chris
Beauchamp, AlisonORCID iD for Beauchamp, Alison
Shaw, Jonathan E.
Peeters, Anna
Journal name Australian and New Zealand journal of public health
Volume number 36
Issue number 6
Start page 557
End page 563
Total pages 7
Publisher Wiley - Blackwell Publishing Asia
Place of publication Richmond, Vic.
Publication date 2012-12
ISSN 1326-0200
Keyword(s) obesity
socio-economic status
Summary Objective: To project prevalence of normal weight, overweight and obesity by educational attainment, assuming a continuation of the observed individual weight change in the 5-year follow-up of the national population survey, the Australian Diabetes, Obesity and Lifestyle study (AusDiab; 2000–2005).

Methods: Age-specific transition probabilities between BMI categories, estimated using logistic regression, were entered into education-level-specific, incidence-based, multi-state life tables. Assuming a continuation of the weight change observed in AusDiab, these life tables estimate the prevalence of normal weight, overweight and obesity for Australian adults with low (secondary), medium (diploma) and high (degree) levels of education between 2005 and 2025.

Results: The prevalence of obesity among individuals with secondary level educational attainment is estimated to increase from 23% in 2000 to 44% in 2025. Among individuals with a degree qualification or higher, it will increase from 14% to 30%. If all current educational inequalities in weight change could be eliminated, the projected difference in the prevalence of obesity by 2025 between the highest and lowest educated categories would only be reduced by half (to a 6 percentage point difference from 14 percentage points).

Conclusion: We predict that almost half of Australian adults with low educational status will be obese by 2025. Current trends in obesity have the potential to drive an increase in the absolute difference in obesity prevalence between educational categories in future years.

Implications: Unless obesity prevention and management strategies focus specifically on narrowing social inequalities in obesity, inequalities in health are likely to widen.
Language eng
DOI 10.1111/j.1753-6405.2012.00885.x
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2012, Wiley-Blackwell Publishing Asia
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Document type: Journal Article
Collections: Faculty of Health
Population Health
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