Patient-reported physical activity questionnaires: a systematic review of content and format
Williams, Kate × Frei, Anja Vetsch, Anders Dobbels, Fabienne Puhan, Milo A Rüdell, Katja #
Health and Quality of Life Outcomes vol:10 issue:28 pages:1-18
Many patients with chronic illness are limited in their physical activities. This systematic review evaluates the content and format of patient-reported outcome (PRO) questionnaires that measure physical activity in elderly and chronically ill populations.