... otherconfounders, in older people living in the community and not selected on the basis of specific chronic conditions.Aim of this study was to evaluate the ability of the overall QOL and of ... predis-posing conditions and thus have a confounding effect on the relationship investigated (please see the Discus-sion section) . In order to justify the entry of the vari-ables in the multivariate ... IADL index, which considersmore complex skills like using the telephone, shopping,preparing meals, housekeeping, doing laundry, takingmedications, managing transportation and handlingmoney...