3237600 PFAQ Pfeffer Functional Activities Questionnaire 15 3237598 PFAQ Palmore Facts on Aging Quiz 3 3237596 PFAQ participants were classifiedaccording to thePfeffer Functional Activities Questionnaire 1 3237599 PFAQ Perceived Functional Ability Questionnaire 1 3237597 PFAQ perception of functional ability questionnaire 1 3237595 PFAQ Pfeffer Functional Assessment Questionnaire 1