Table 3. Frequencies of Reasons for Zero WTP.

Scenario	N Zero WTP	It would not be so bad/ I could live with it	Effects of treatment are too small	I want my family to have the money	I would get better without treatment	I value the treatment but cannot afford it	Other reasons
Patient sample
A	0	0	0	0	0	0	0
B	1	0	1 (6.3)	0	0	0	0
C	2	0	0	0	0	0	2 (11.8)
D	8	0	2 (11.8)	0	0	0	6 (35.4)
Non-patient sample
A	6	1 (5.6)	0	1 (5.6)	1 (5.6)	1 (5.6)	2 (11.2)
B	7	4 (22.2)	0	1 (5.6)	0	1 (5.6)	1 (5.6)
C	6	1 (5.6)	0	0	2 (11.2)	2 (11.2)	1 (5.6)
D	8	2 (11.2)	0	0	2 (11.2)	2 (11.2)	2 (11.2)

Note. Percentages are in parentheses. N = sample size; WTP = willingness to pay.