McRackan TR, et al. - Researchers performed this multicenter cross-sectional study using the 81-item Cochlear Implant Quality of Life (CIQOL) item bank, to examine how demographic, hearing-related, and cochlear implant–related factors are associated with a cochlear implant–related quality of life. Findings revealed better CIQOL scores in 1 or more domains in correlation to bilateral vs unilateral cochlear implantation, higher household income, being employed, and longer duration of hearing loss prior to implantation. However, only a small percentage of the variance in CIQOL domain scores was considered in traditional factors included in the multivariable linear regression models. This suggests that patient or other characteristics accounting for much of the variance within the 6 domains of the CIQOL item bank remain largely unknown.