We carried out a CBA of hearing aids (HAs) in which we estimated the direct utility benefits, and included the indirect utility benefits working through a reduction in dementia symptoms. The benefits methodology involved using QALYs as the outcome measure and then applying the price of a QALY to convert the outcome measure into monetary terms. The price of a QALY was derived from an age specific VSL estimate. The effects of HAs on utility were estimated from a fixed effects regression on a large national panel data set provided by NACC where we used a negative proxy for the QoL. We also used a fixed effects regression for the estimate of the indirect benefits involving HAs reducing dementia symptoms. We found that the total benefits, mainly coming from the direct benefits, were extremely large relative to the costs, with benefit-cost ratios over 30.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6800143 | PMC |
| http://dx.doi.org/10.1080/00036846.2018.1564123 | DOI Listing |
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