Table 1. Answer options, percentages for answers given and coding as protest response for reasons for WTP questions.

Answer option for WTP	Answer	Mean Percentage (all answers)	Mean Percentage (protest bids, definition 1)	Mean Percentage (protest bids, definition 2)	Protest Yes / No
1	I already pay enough for food.	1.09	1.17	3.69	No
2	It is unfair to ask me to pay.	0.22	0.54	1.33	Yes
3	Animal welfare is a moral question and cannot be regulated with money.	8.05	20.80	15.48	Yes
4	The question is too difficult / too complicated / I need more information for a decision.	3.87	10.07	14.65	Yes
5	Animal welfare is no goal for me.	1.73	0.33	0	No
6	Number just invented / guessed / no special reason.	3.83	4.12	2.62	No
7	Animal welfare problems cannot be solved by individuals. Therefore the government should deal with it (e.g. via taxes or fees), not me.	5.20	13.45	14.26	Yes
8	I can expect animal welfare and should not pay for it.	1.04	2.73	6.10	Yes
9	I already spend much for animal welfare initiatives.	0.27	0	0	No
10	Animal welfare is really important. I want to express this with my willingness to pay. I want to contribute in a fair manner compared to others.	57.30	25.64	9.91	No
11	Other: free text entry	17.40	21.15	31.98	Depending on entry (if like 2, 3, 4, 7, 8 then Yes, otherwise No)