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Obes Rev. 2017 Feb;18(2):227-246. doi: 10.1111/obr.12479. Epub 2016 Nov 29.

The impact of interventions to promote healthier ready-to-eat meals (to eat in, to take away or to be delivered) sold by specific food outlets open to the general public: a systematic review.

Author information

1
Obesity Related Behaviours Research Group, School of Medicine, Pharmacy and Health, Durham University, Stockton-on-Tees, UK.
2
Fuse - UKCRC Centre for Translational Research in Public Health, Newcastle Upon Tyne, UK.
3
School of Sport Exercise and Health Sciences, Loughborough University, Loughborough, UK.
4
Centre for Public Policy & Health, School of Medicine, Pharmacy & Health, Durham University, Stockton-on-Tees, UK.
5
UKCRC Centre for Diet and Activity Research (CEDAR), MRC Epidemiology Unit, University of Cambridge, Cambridge, UK.
6
Institute of Health & Society, Newcastle University, Newcastle Upon Tyne, UK.
7
Psychology Applied to Heath, University of Exeter Medical School, University of Exeter, Exeter, UK.
8
Human Nutrition Research Centre, Newcastle University, Newcastle Upon Tyne, UK.

Abstract

INTRODUCTION:

Ready-to-eat meals sold by food outlets that are accessible to the general public are an important target for public health intervention. We conducted a systematic review to assess the impact of such interventions.

METHODS:

Studies of any design and duration that included any consumer-level or food-outlet-level before-and-after data were included.

RESULTS:

Thirty studies describing 34 interventions were categorized by type and coded against the Nuffield intervention ladder: restrict choice = trans fat law (n = 1), changing pre-packed children's meal content (n = 1) and food outlet award schemes (n = 2); guide choice = price increases for unhealthier choices (n = 1), incentive (contingent reward) (n = 1) and price decreases for healthier choices (n = 2); enable choice = signposting (highlighting healthier/unhealthier options) (n = 10) and telemarketing (offering support for the provision of healthier options to businesses via telephone) (n = 2); and provide information = calorie labelling law (n = 12), voluntary nutrient labelling (n = 1) and personalized receipts (n = 1). Most interventions were aimed at adults in US fast food chains and assessed customer-level outcomes. More 'intrusive' interventions that restricted or guided choice generally showed a positive impact on food-outlet-level and customer-level outcomes. However, interventions that simply provided information or enabled choice had a negligible impact.

CONCLUSION:

Interventions to promote healthier ready-to-eat meals sold by food outlets should restrict choice or guide choice through incentives/disincentives. Public health policies and practice that simply involve providing information are unlikely to be effective.

KEYWORDS:

Diet; food environments; ready-to-eat meals; restaurants; systematic review; takeaways

PMID:
27899007
PMCID:
PMC5244662
DOI:
10.1111/obr.12479
[Indexed for MEDLINE]
Free PMC Article

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