The impact of voluntary front-of-pack nutrition labelling on packaged food reformulation: A difference-in-differences analysis of the Australasian Health Star Rating scheme
Laxman Bablani, Cliona Ni Mhurchu, Bruce Neal, Christopher L Skeels, Kevin E Staub, Tony Blakely
PLoS Medicine | Public Library of Science (PLoS) | Published : 2020
Background Front-of-pack nutrition labelling (FoPL) of packaged foods can promote healthier diets. Australia and New Zealand (NZ) adopted the voluntary Health Star Rating (HSR) scheme in 2014. We studied the impact of voluntary adoption of HSR on food reformulation relative to unlabelled foods and examined differential impacts for more-versus-less healthy foods. Methods and findings Annual nutrition information panel data were collected for nonseasonal packaged foods sold in major supermarkets in Auckland from 2013 to 2019 and in Sydney from 2014 to 2018. The analysis sample covered 58,905 unique products over 14 major food groups. We used a difference-in-differences design to estimate refo..View full abstract
Awarded by Health Research Council of New Zealand
T.B. and C.NM received funding for this study. This was an investigator-initiated study funded by a Health Research Council of New Zealand (http://www.hrc.govt.nz/) programme grant (18/672). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.