From: Willingness to pay for health care services in common cold, retinal detachment, and myocardiac infarction: an internet survey in Japan
Annual Income
Common Cold
Retinal Detachment
Myocardiac Infarction
Low income group (n = 92)
30.0
1,929
7,728
Medium income group (n = 371)
29.7
2,205
8,725
High income group (n = 266)
29.8
2,399
9,440
p-value
0.910
0.044
0.049