Girija E. Brilliant|Lawrence B. Brilliant
Using social epidemiology to understand who stays blind and who gets operated for cataract in a rural setting
University of Michigan–Ann Arbor|Seva Foundation|University of Michigan–Ann Arbor
study willingness pay cataract surgery associations southern chinacrosssectional willingnesstopay interview incorporating elements openended bidding formatsthreehundred thirtynine persons presenting cataract screening yangjiang china presenting visual acuity va 660 either eye due cataractsubjects underwent measurement va willingnesstopay interview age gender literacy education annual income also recordedmaximum amount subjects would willing pay cataract surgeryamong 325 959 subjects completing interview 169 520 70 years older 213 655 women 217 668 annual income 5000 renminbi 5000 us 625 eighty percent n 257 participants willing pay something surgery mean 442444 renminbi us 5555 regression models older subjects willing pay less 8 renminbi us 1 per year age p 001 blind subjects significantly likely odds ratio 57 95 confidence interval 17193 pay anything surgery would pay average 255 renminbi us 32 less p 0004 persons highest annual income level 10 000 renminbi us 1250 would pay 50 surgery lowest level 5000 renminbi p 00003 current cost surgery program 500 renminbi us 63sustainable programs need attract younger welltodo persons better vision still providing access neediest patients