Articlebronze2018

Relative contributions of recommended food environment policies to improve population nutrition: results from a Delphi study with international food policy experts

Rewena Mahesh · Stefanie Vandevijvere · Clare H. Dominick · Boyd Anthony Swinburn

19 citations0/0 files storedPublic Health Nutrition

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Global Public Health Policies and Epidemiology Consumer Attitudes and Food Labeling Nutrition, Health, and Society Studies

Abstract

OBJECTIVE: To determine weightings for the relative contributions of nineteen widely recommended good practice food environment policies to improve population nutrition, based on evidence of effectiveness and expert ratings, to facilitate benchmarking of the implementation of food environment policies globally. DESIGN: A two-round Delphi study was performed in 2015, whereby international food policy experts (n Round1 27, n Round2 21) compared effectiveness of all possible pairs of policy domains and good practice policies within domains to improve population nutrition according to the Saaty scale (1 to 9). Weightings for each domain and policy were derived from expert ratings based on the Analytic Hierarchy Process method. SETTING: International. SUBJECTS: Food policy experts. RESULTS: Out of the seven policy domains, Food Prices and Food Promotion received the highest weightings for impact on improving population nutrition, while Food Trade received the lowest weighting. Among the nineteen specific policies, taxing unhealthy foods (3·8 (0·7)), healthy food provision in schools (2·8 (0·4)) and minimizing taxes on healthy foods (2·6 (0·4)) were given the highest weightings, while nutrient declarations on packaged foods (1·2 (0·2)) and healthy food policies in private-sector workplaces (1·0 (0·2)) received the lowest weightings (mean (95 % CI)). CONCLUSIONS: Expert-derived weightings on the relative contributions of recommended food environment policies to improve population nutrition will facilitate monitoring and benchmarking the implementation of these policies by governments among countries globally. Additional weightings for contributions of policies to reducing nutrition inequalities and improving consumer and child rights could be developed in the future.

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2008Decision making with the analytic hierarchy process 1996Gazing into the oracle : the Delphi method and its application to social policy and public health 1998Aggregating individual judgments and priorities with the analytic hierarchy process 2015Patchy progress on obesity prevention: emerging examples, entrenched barriers, and new thinking 2016Beverage purchases from stores in Mexico under the excise tax on sugar sweetened beverages: observational study 2016Impact of the Berkeley Excise Tax on Sugar-Sweetened Beverage Consumption 2015Strengthening of accountability systems to create healthy food environments and reduce global obesity 2014A systematic review of the effectiveness of food taxes and subsidies to improve diets: Understanding the recent evidence

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