Fabienne Dobbels|Corina de Jong|Ellen Drost|Janneke Elberse|Chryssoula Feridou|Laura Jacobs|Roberto Rabinovich|Anja Frei|Milo A. Puhan|Willem I. de Boer|Thys van der Molen|K. Williams|Hillary Pinnock|Thierry Troosters|Niklas Karlsson|Károly Kulich|K. Rüdell
The PROactive innovative conceptual framework on physical activity
KU Leuven|University Medical Center Groningen|University of Groningen|Centre for Inflammation Research|University of Edinburgh|Lung Foundation Netherlands|Thorax Foundation|KU Leuven|Centre for Inflammation Research|University of Edinburgh|Institute of Social and Preventive Medicine|University of Zurich|Institute of Social and Preventive Medicine|University of Zurich|Lung Foundation Netherlands|University Medical Center Groningen|University of Groningen|Glasgow Centre for Population Health|University of Edinburgh|KU Leuven|AstraZeneca (Brazil)|Patient-Centered Outcomes Research Institute
although physical activity considered important therapeutic target chronic obstructive pulmonary disease copd physical activity means copd patients perspective best measured poorly understood designed conceptual framework guiding development content validation two patient reported outcome pro instruments physical activity proactive pro instruments 116 patients four european countries diverse demographics copd phenotypes participated three consecutive qualitative studies 63 male age meansd 669 years 35 global initiative chronic obstructive lung disease stage iiiiv 23 interviews eight focus groups n 54 identified main themes candidate items framework 39 cognitive debriefings allowed clarity items instructions optimised three themes emerged ie impact copd amount physical activity symptoms experienced physical activity adaptations made facilitate physical activity themes similar irrespective country demographic disease characteristics iterative rounds appraisal refinement candidate items resulted 30 items daily recall period 34 items 7day recall period first time approach provides comprehensive insight physical activity copd patients perspective proactive pro instruments content validity represents pivotal basis empirically based item reduction validation