Measuring what matters to older persons for active living: part II cross-sectional validity evidence for OPAL measure across four countries.
Nancy E MayoMohammad AuaisRuth BarclayJoan BraninHelen DawesIda J KorfageKim SawchukEran TalCarole L WhiteZain AyoubiEzinne EkediegwuKedar MateLyne NadeauSebastian Rodriguez DuqueAyse KuspinarPublished in: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2024)
The results of this study provide evidence that the 17-item OPAL measure is fit for the purpose of estimating the extent to which older persons are living actively at one point in time.