Summarizing health-related quality of life (HRQOL): development and testing of a one-factor model.
Shaoman YinRashid NjaiLawrence BarkerPaul Z SiegelYoulian LiaoPublished in: Population health metrics (2016)
Instead of using four individual items to measure HRQOL, it is feasible to study overall HRQOL via factor analysis with one underlying construct. The resulting summary score of HRQOL may be used for health evaluation, subgroup comparison, trend monitoring, and risk factor identification.