Tables index


Gluten-free Products in the UK Retail Environment. Availability, Pricing, Consumer Opinions in a Longitudinal Study

Frank Vriesekoop, Emily Wright, Stephanie Swinyard, Wim de Koning

International Journal of Celiac Disease. 2020, 8(3), 95-103 doi:10.12691/ijcd-8-3-5
  • Table 1. Underpinning reasons for why people purchase GF products, reported as percentage (%) of respondents in each year (2015: n=120, 2019: n=493)
  • Table 2. Frequency of GF products being purchased based on broad product categories in 2016 and 2019 (2015: n=120, 2019: n=493)
  • Table 3. Participant responses to range, quality and cost statements in 2015 and 2019. Participants were asked to score the various statements on a 5-point Likert scale ranging from ‘strongly agree’ to ‘strongly disagree’ with ‘neither agree nor disagree’ as the neutral point. For convenience sake, all positive and all negative responses are reported as ‘agree’ and ‘disagree’ respectively. (2015: n=120, 2019: n=493).
  • Table 4. Number of Gluten Free line items on the supermarket shelfs and the availability of GF items in our GF basket. The number of GF line items were as observed over four consecutive visits in the respective years, and the percentage of available of GF products that we allocated to our GF basket (see Table 5)
  • Table 5. Price ratios and availability of basket items for each regular superstore in 2015 and 2019
  • Table 6. Price ratios and availability of basket items for each budget supermarket in 2015 and 2019
  • Table 7. Price ratios comparison from 2015 to 2019 by supermarket
  • Table 8. Pearson’s correlation coefficients (R) of Price Ratios for common GF produce as derived from the literature