Validity of instruments to measure physical activity may be questionable due to a lack of conceptual frameworks: A systematic review

Elena Gimeno-Santos, Anja Frei, Fabienne Dobbels, Katja Rüdell, Milo A. Puhan, Judith Garcia-Aymerich

Producció científica: Article en revista indexadaArticle de revisió (sistemàtica)Avaluat per experts

48 Cites (Scopus)

Resum

Background: Guidance documents for the development and validation of patient-reported outcomes (PROs) advise the use of conceptual frameworks, which outline the structure of the concept that a PRO aims to measure. It is unknown whether currently available PROs are based on conceptual frameworks. This study, which was limited to a specific case, had the following aims: (i) to identify conceptual frameworks of physical activity in chronic respiratory patients or similar populations (chronic heart disease patients or the elderly) and (ii) to assess whether the development and validation of PROs to measure physical activity in these populations were based on a conceptual framework of physical activity.Methods: Two systematic reviews were conducted through searches of the Medline, Embase, PsycINFO, and Cinahl databases prior to January 2010.Results: In the first review, only 2 out of 581 references pertaining to physical activity in the defined populations provided a conceptual framework of physical activity in COPD patients. In the second review, out of 103 studies developing PROs to measure physical activity or related constructs, none were based on a conceptual framework of physical activity.Conclusions: These findings raise concerns about how the large body of evidence from studies that use physical activity PRO instruments should be evaluated by health care providers, guideline developers, and regulatory agencies.

Idioma originalAnglès
Número d’article86
RevistaHealth and Quality of Life Outcomes
Volum9
DOIs
Estat de la publicacióPublicada - 3 d’oct. 2011
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