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Impact of warning labels on sugar-sweetened beverages on parental selection: An online experimental study.

ABSTRACT: Sugar-sweetened beverages (SSBs) are one of the largest added sugar sources to diets in the UK and USA, particularly among young people. Warning labels, including calorie information labels, could reduce SSB consumption but uncertainty surrounds the labels that are most effective. This study assessed the impact of labels containing (a) each of two image-based warnings and (b) calorie information, singly and together, on SSB selection by parents of 11-16-year-olds living in the UK. Using a 3 (disease image, sugar content image, no image)?×?2 (calorie information, no calorie information) between-subjects experimental design, 2002 participants were randomised to see beverages with one of six labels and selected one for their child to consume. The primary outcome was the proportion of participants selecting an SSB. Data were collected in December 2017. Logistic regressions showed SSB selection was lower when labels contained an image-based warning (35%), compared to not having any label (49%) or just calorie information (43.5%). The disease image lowered selection more than the sugar image (32% vs 40.5%). Providing calorie information with the disease image had no additional impact on selection (33%) but enhanced the impact of the sugar image (36%). Image-based warning labels discourage SSB selection by parents for their children. Images depicting health consequences of excess sugar consumption have larger effects than those depicting sugar content. Calorie information does not add to the effect of the former but does to that of the latter. Field studies are needed to assess the impact of SSB warning labels in real-life settings.

SUBMITTER: Mantzari E

PROVIDER: S-EPMC6215029 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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Impact of warning labels on sugar-sweetened beverages on parental selection: An online experimental study.

Mantzari Eleni E Vasiljevic Milica M Turney Isabelle I Pilling Mark M Marteau Theresa T

Preventive medicine reports 20181023

Sugar-sweetened beverages (SSBs) are one of the largest added sugar sources to diets in the UK and USA, particularly among young people. Warning labels, including calorie information labels, could reduce SSB consumption but uncertainty surrounds the labels that are most effective. This study assessed the impact of labels containing (a) each of two image-based warnings and (b) calorie information, singly and together, on SSB selection by parents of 11-16-year-olds living in the UK. Using a 3 (dis ...[more]

PMID: 30406003

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Project description:OBJECTIVE:To assess public support for 10 potential policy initiatives to reduce sugar-sweetened beverage (SSB) consumption. DESIGN:A 2014 historical data set, which employed a face-to-face survey in one Australian state (study 1), provided the basis for comparison with our 2017 nationally representative, cross-sectional, computer-assisted telephone interviewing population survey (study 2). PARTICIPANTS:Study 1: South Australians, 15+ years (n=2732); study 2: Australians, 18+ years (n=3430). PRIMARY OUTCOME MEASURES:levels of support for SSB-specific policy initiatives. For the 2017 national study (study 2), demographic characteristics, body mass index, knowledge of potential harms caused by consuming SSBs and SSB consumption were included in multivariable regression analyses. RESULTS:In 2017, all 10 potential policy initiatives received majority support (60%-88% either 'somewhat' or 'strongly' in favour). Initiatives with educative elements or focused on children received high support (>70%), with highest support observed for text warning labels on drink containers (88%) and government campaigns warning of adverse health effects (87%). Higher support was observed for SSB tax paired with using funds for obesity prevention (77%) than a stand-alone tax (60%). Support for policy initiatives was generally greater among those who believed SSB daily consumption could cause health problems in adults (4%-18% absolute difference) and/or in children (8%-26% absolute difference) and lower among SSB high consumers (7+ drinks per week; 9%-29% absolute difference). State-specific data comparison indicated increased support from 2014 to 2017 for taxation (42%vs55%; χ2=15.7, p<0.001) and graphic health warnings (52%vs68%; χ2=23.4. p<0.001). CONCLUSIONS:There is strong public support for government action, particularly regulatory and educational interventions, to reduce SSB consumption, which appears to have increased since 2014. The findings suggest that framing policies as protecting children, presenting taxation of SSBs in conjunction with other obesity prevention initiatives and education focused on the harms associated with SSB consumption will increase support.

Dataset Information

Impact of warning labels on sugar-sweetened beverages on parental selection: An online experimental study.

Publications

Impact of warning labels on sugar-sweetened beverages on parental selection: An online experimental study.

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