Table 4.

Questions to evaluate participants’ food labels interpretation.

Question	Type of response	PRE response Quantity (%) or Mean ± SD	POST response Quantity (%) or Mean ± SD	p
Do you know what to look for on a label to find out if a food contains gluten or not?	Scale 0 (I do not know) −4 (I know it very well)	3.04 ± 1.02	3.56 ± 0.54	<0.001
Do all gluten-free foods have to be labelled “gluten-free”?	No	16	15	<0.01
	Yes	70	81
	I do not know	14	2
	No response	0	2
Does this food contain gluten? (popcorn, with marked traces)	No	28	35	NS
	Yes	63	59
	I do not know	8	3
	No response	1	3
Does this food contain gluten? (conventional biscuits)	No	3	1	NS
	Yes	89	96
	I do not know	6	0
	No response	2	3
Does this food contain gluten? (chicken breast)	No	73	83	NS (0.095)
	Yes	10	9
	I do not know	15	6
	No response	2	2
Does this food contain gluten? (specific gluten-free bread)	No	63	69	NS
	Yes	30	28
	I do not know	6	1
	No response	1	2

∗As n = 100, the number of responses and the percentage are equal, so only the percentages are described. NS: non significant.