Figure 4. Variation in price ratios of gluten-free foods compared to gluten containing foods (bread, sweet biscuits, pasta and breakfast cereals). Data shown are a cumulation of data from various publications and this work. Data sets presented are from: 2019-UK = this work; 2018-UK = [2], 2016-USA = [29]; 2016-UK = [13]; 2015-UK = this work; 2015-Greece = [26]; 2015-Austria = [30]; 2015-Chile = [11]; 2014-UK1 = [31]; 2014-UK2 = [10]; 2013-Chile = [32]; 2012-AU = [12]; 2011-BR = [9]; 2009-UK = [8]; 2006-CAN = [27]; 2006-USA = [7]. The dates given in the data labels on the graph are the reported years in which the data was collected, which might not be the same as the year of publication : Gluten-free Products in the UK Retail Environment. Availability, Pricing, Consumer Opinions in a Longitudinal Study : Science and Education Publishing

Figure 4. Variation in price ratios of gluten-free foods compared to gluten containing foods (bread, sweet biscuits, pasta and breakfast cereals). Data shown are a cumulation of data from various publications and this work. Data sets presented are from: 2019-UK = this work; 2018-UK = [2], 2016-USA = [29]; 2016-UK = [13]; 2015-UK = this work; 2015-Greece = [26]; 2015-Austria = [30]; 2015-Chile = [11]; 2014-UK1 = [31]; 2014-UK2 = [10]; 2013-Chile = [32]; 2012-AU = [12]; 2011-BR = [9]; 2009-UK = [8]; 2006-CAN = [27]; 2006-USA = [7]. The dates given in the data labels on the graph are the reported years in which the data was collected, which might not be the same as the year of publication

International Journal of Celiac Disease. 2020, 8(3), 95-103 doi:10.12691/ijcd-8-3-5