Impact of calorie labelling in worksite cafeterias: a stepped wedge randomised controlled pilot trial

The International Journal of Behavioral Nutrition and Physical Activity
Milica VasiljevicTheresa M Marteau

Abstract

For working adults, about one-third of energy is consumed in the workplace making this an important context in which to reduce energy intake to tackle obesity. The aims of the current study were first, to identify barriers to the feasibility and acceptability of implementing calorie labelling in preparation for a larger trial, and second, to estimate the potential impact of calorie labelling on energy purchased in worksite cafeterias. Six worksite cafeterias were randomised to the intervention starting at one of six fortnightly periods, using a stepped wedge design. The trial was conducted between August and December 2016, across 17 study weeks. The intervention comprised labelling all cafeteria products for which such information was available with their calorie content (e.g. "250 Calories") displayed in the same font style and size as for price. A post-intervention survey with cafeteria patrons and interviews with managers and caterers were used to assess the feasibility and acceptability of the intervention. Intervention impact was assessed using generalised linear mixed modelling. The primary outcome was the total energy (kcal) purchased from intervention items in each cafeteria each day. Recruitment and retention of worksi...Continue Reading

References

Feb 11, 2015·BMJ : British Medical Journal·K HemmingR J Lilford
Sep 8, 2015·Journal of Clinical Epidemiology·Karla Hemming, Monica Taljaard
Jun 11, 2016·International Journal of Epidemiology·James Lopez BernalAntonio Gasparrini
Nov 20, 2016·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·J AllanM de Bruin
Jul 25, 2017·Personality and Social Psychology Review : an Official Journal of the Society for Personality and Social Psychology, Inc·Wendy Wood
Feb 27, 2018·The Cochrane Database of Systematic Reviews·Rachel A CrockettSusan A Jebb

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Citations

Jun 4, 2019·Health Promotion International·Sarah FitzgeraldFiona Geaney
Aug 18, 2018·The International Journal of Behavioral Nutrition and Physical Activity·Gareth J HollandsTheresa M Marteau
Jan 22, 2021·BMJ : British Medical Journal·Eric RobinsonJean Adams
Feb 27, 2018·The Cochrane Database of Systematic Reviews·Natasha ClarkeGareth J Hollands
Sep 7, 2021·Frontiers in Public Health·Claire KerinsSheena McHugh

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