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    A randomized trial assessing the effects of health claims on choice of foods in the presence of front-of-pack labels

    274221.pdf (1.543Mb)
    Access Status
    Open access
    Authors
    Talati, Zenobia
    Norman, Richard
    Kelly, B.
    Dixon, H.
    Neal, B.
    Miller, C.
    Pettigrew, Simone
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Talati, Z. and Norman, R. and Kelly, B. and Dixon, H. and Neal, B. and Miller, C. and Pettigrew, S. 2018. A randomized trial assessing the effects of health claims on choice of foods in the presence of front-of-pack labels. American Journal of Clinical Nutrition. 108 (6): pp. 1275-1282.
    Source Title
    American Journal of Clinical Nutrition
    DOI
    10.1093/ajcn/nqy248
    ISSN
    1938-3207
    School
    School of Psychology
    URI
    http://hdl.handle.net/20.500.11937/74914
    Collection
    • Curtin Research Publications
    Abstract

    Background: As a public health intervention, front-of-pack labels (FoPLs) have the potential to reach large numbers of consumers and promote healthier food choices. Of the different FoPLs, those that summarize a product's overall nutritional profile tend to be most effective in guiding healthier choices. However, information is lacking as to whether FoPLs are as effective when nutrient or health claims also appear on-pack. Objective: The aim of this study was to examine how the choice of foods of varying levels of healthfulness (less healthy, moderately healthy, and healthier) is affected by the appearance of various FoPLs (Daily Intake Guide, Multiple Traffic Lights, Health Star Rating) when shown in combination with different claim conditions (no claim, nutrient claim, general-level health claim, and higher-level health claim). Design: Adults and children (n = 2069) completed a discrete-choice experiment online. Respondents were shown 8 choice sets, each containing 4 alternatives of the same food type (cookies, cornflakes, pizza, or yogurt) of varying levels of healthfulness and were asked which product they would likely purchase (or they could select none). Respondents were randomly assigned to view 1 of the 3 FoPLs across all choice sets. Claim type and healthfulness varied within choice sets in accordance with a D-efficient design. Results: The probability of choosing a healthy product and avoiding an unhealthy product was greatest when only an FoPL (especially the Health Star Rating) appeared on-pack. The addition of a nutrient or health claim did not affect the likelihood of picking healthier products but did increase the likelihood of selecting less healthy foods across all FoPL conditions. Conclusions: FoPLs are most effective in helping consumers make better food choices when nutrient and health claims are not present. Policies are required to control how nutrient and health claims are applied to less healthy foods. This trial was registered as ACTRN12617000015347 (www.anzctr.org.au/Trial/Resgistration/TrialReview.aspx?id=372055&isReview=true).

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    • Consumers’ responses to front-of-pack labels that vary by interpretive content
      Talati, Zenobia; Pettigrew, Simone; Kelly, B.; Ball, K.; Dixon, H.; Shilton, T. (2016)
      Previous research has shown that front-of-pack labels (FoPLs) can assist people to make healthier food choices if they are easy to understand and people are motivated to use them. There is some evidence that FoPLs providing ...
    • The combined effect of front-of-pack nutrition labels and health claims on consumers’ evaluation of food products
      Talati, Zenobia; Pettigrew, Simone; Hughes, C.; Dixon, H.; Kelly, B.; Ball, K.; Miller, C. (2016)
      The majority of studies examining the effect of nutrition information on food packets (such as the nutrition information panel (NIP), front-of-pack labels (FoPLs) and health claims) have examined each in isolation, even ...
    • The impact of interpretive and reductive front-of-pack labels on food choice and willingness to pay
      Talati, Zenobia; Norman, Richard; Pettigrew, Simone; Neal, B.; Kelly, B.; Dixon, H.; Ball, K.; Miller, C.; Shilton, Trevor (2017)
      © 2017 The Author(s). Background: This study examined how front-of-pack labels and product healthfulness affect choice and willingness to pay across a range of foods. It was hypothesized that: (i) product choice and (ii) ...
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