title: A Comparison of the Sodium Content of Supermarket Private-Label and Branded Foods in Australia.
abstract: Supermarket private-label products are perceived to be lower quality than their branded counterparts. Excess dietary sodium in foods contributes to high blood pressure and cardiovascular disease. Sodium concentrations in products are an important indicator of quality. We compared the sodium content of 15,680 supermarket private-label and branded products, available in four Australian supermarkets between 2011-2013, overall and for 15 food categories. Mean sodium values were compared for: (1) all products in 2013; (2) products in both 2011 and 2013; and (3) products only in 2013. Comparisons were made using paired and unpaired t tests. In each year the proportion of supermarket private-label products was 31%-32%, with overall mean sodium content 17% (12%-23%) lower than branded products in 2013 (p ≤ 0.001). For products available in both 2011 and 2013 there was a ≤2% (1%-3%) mean sodium reduction overall with no difference in reformulation between supermarket private-label and branded products (p = 0.73). New supermarket private-label products in 2013 were 11% lower in sodium than their branded counterparts (p = 0.02). Supermarket private-label products performed generally better than branded in terms of their sodium content. Lower sodium intake translates into lower blood pressure; some supermarket private-label products may be a good option for Australians needing to limit their sodium intake.
authors: The George Institute for Global Health, The School of Public Health, University of Sydney, P.O. Box M201 Missenden Road, Camperdown, Sydney, NSW 2050, Australia. htrevena@georgeinstitute.org.au.
authors: Helen
authors: H
authors: Trevena
authors: The George Institute for Global Health, The School of Public Health, University of Sydney, P.O. Box M201 Missenden Road, Camperdown, Sydney, NSW 2050, Australia. bneal@georgeinstitute.org.au.|The School of Public Health, Faculty of Medicine, Epidemiology and Biostatistics, Imperial College of Science, Technology and Medicine, Praed Street, Norfolk Place, London W2 1PG, UK. bneal@georgeinstitute.org.au.|Royal Prince Alfred Hospital, Missenden Road, Camperdown, Sydney, NSW 2050, Australia. bneal@georgeinstitute.org.au.
authors: Bruce
authors: B
authors: Neal
authors: The George Institute for Global Health, The School of Public Health, University of Sydney, P.O. Box M201 Missenden Road, Camperdown, Sydney, NSW 2050, Australia. edunford@georgeinstitute.org.au.
authors: Elizabeth
authors: E
authors: Dunford
authors: The George Institute for Global Health, The School of Public Health, University of Sydney, P.O. Box M201 Missenden Road, Camperdown, Sydney, NSW 2050, Australia. hhaskelberg@georgeinstitute.org.au.
authors: Hila
authors: H
authors: Haskelberg
authors: The George Institute for Global Health, The School of Public Health, University of Sydney, P.O. Box M201 Missenden Road, Camperdown, Sydney, NSW 2050, Australia. jwu1@georgeinstitute.org.au.
authors: Jason H Y
authors: JH
authors: Wu
mesh_terms: D001315:Australia; D005504:Food Analysis; D005511:Food Handling / Q000379:methods*; D005515:Food Labeling; D012982:Sodium, Dietary / Q000032:analysis*
chemical_list: D012982:Sodium, Dietary
keywords: branded; pre-packaged food; private-label; sodium reduction