How to construct a frailty index from an existing dataset in 10 steps.
Olga TheouClove HavivaLindsay WallaceSamuel D SearleKenneth RockwoodPublished in: Age and ageing (2023)
This 10-step procedure can be used as a template to create one continuous health variable. The resulting high-information variable is suitable for use as an exposure, predictor or control variable, or an outcome measure of overall health and ageing.