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The affordability of a healthy and sustainable diet: an Australian case study

Goulding, Tara, Lindberg, Rebecca and Russell, Georgie 2020, The affordability of a healthy and sustainable diet: an Australian case study, Nutrition journal, vol. 19, pp. 1-12, doi: 10.1186/s12937-020-00606-z.

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Title The affordability of a healthy and sustainable diet: an Australian case study
Author(s) Goulding, Tara
Lindberg, Rebecca
Russell, GeorgieORCID iD for Russell, Georgie orcid.org/0000-0002-0848-2724
Journal name Nutrition journal
Volume number 19
Article ID 109
Start page 1
End page 12
Total pages 12
Publisher BioMed Central
Place of publication London, Eng.
Publication date 2020
ISSN 1475-2891
1475-2891
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Nutrition & Dietetics
Summary Abstract Background/Aims EAT–Lancet Commission’s Planetary Health Diet proposed a diet that integrates nutrition and sustainability considerations, however its affordability is unknown in many country-specific contexts, including Australia. The aim of this study is to develop a healthy and sustainable food basket modelled on the Planetary Health Diet to determine the affordability of the Planetary Health Diet basket across various socio-economic groups, and compare this affordability with a food basket modelled on the typical current diet, in an Australian setting. Methods An Australian-specific Planetary Health Diet basket was developed for a reference household (2 adults and 2 children) modelled on the Planetary Health Diet reference diet, and compared to a previously-developed Typical Australian Diet basket. The cost of each food basket was determined by online supermarket shopping surveys in low, medium and high socio-economic areas in each Australian state. Basket affordability was determined for the reference household by comparing the basket cost to disposable income in each socio-economic group in each state. Mann-Whitney U tests then determined if there were significant differences between the median costs and the median affordability of both baskets. Results The Planetary Health Diet basket was shown to be less expensive and more affordable than the Typical Australian Diet basket nationally, in all metropolitan areas, in all socio-economic groups across Australia (median cost: Planetary Health Diet = AUD$188.21, Typical Australian Diet = AUD$224.36; median affordability: Planetary Health Diet = 13%, Typical Australian Diet = 16%; p = < 0.05). Conclusions This study showed the Planetary Health Diet to be more affordable than the Typical Australian Diet for metropolitan-dwelling Australians. Implications These results can help to inform public health and food policy aimed at achieving a healthy and sustainable future for all Australians, including reductions in overweight/obesity rates and increased food security.
Language eng
DOI 10.1186/s12937-020-00606-z
Indigenous content off
Field of Research 1111 Nutrition and Dietetics
HERDC Research category C1 Refereed article in a scholarly journal
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30143504

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.