Claire E Pulker, Frith Klug, Georgina S A Trapp, Ainslie Sartori, Michelle McIntosh, Alexia Bivoltsis, Catrina McStay, Clare Whitton
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引用次数: 0
Abstract
Objective: Exposure to food advertising is associated with consumption. Globally, most outdoor food advertisements feature unhealthy foods or beverages. As Australian local government areas (LGAs) begin developing restriction policies, the feasibility of applying nutrient-based nutrition classification systems to outdoor advertising requires evaluation.
Design: Observational study on (1) types of food business advertisements outdoors and (2) availability of quantitative nutrition and/or ingredient information for featured products. 178 outdoor advertisements were analysed, from a 500m audit around schools in sixteen stratified LGAs (2019), along with bus shelter audits in four LGAs (2022). Advertisements were categorised as featuring 'branded packaged products', 'food service product - chain', 'food service product - independent', 'branding only' or 'incidental food/beverage'. For packaged or food service advertisements, online searches were conducted to identify product-specific nutrition information.
Setting: Metropolitan Perth, Australia.
Results: Advertisements featured packaged products (34 % of advertisements), food service products - chain (21 %), independent (16 %), incidental food/beverage (18 %) and branding only (11 %). Nutrition information was located for 70 % of packaged products and 68 % of chain food service advertisements. Independent food service outlets provided no nutrition data and rarely depicted identifiable products. Overall, nutrition information was available for 45 % of advertisements and ingredient information for 35 %.
Conclusions: The limited availability of quantitative data constrains the application of nutrient-based nutrition classification systems. A system based primarily on food categories, with nutrient limits for some categories and a robust approach to brand advertising, likely offers a practical and impactful approach for LGAs seeking to restrict unhealthy outdoor food advertising.
期刊介绍：
Public Health Nutrition provides an international peer-reviewed forum for the publication and dissemination of research and scholarship aimed at understanding the causes of, and approaches and solutions to nutrition-related public health achievements, situations and problems around the world. The journal publishes original and commissioned articles, commentaries and discussion papers for debate. The journal is of interest to epidemiologists and health promotion specialists interested in the role of nutrition in disease prevention; academics and those involved in fieldwork and the application of research to identify practical solutions to important public health problems.
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