Validity and reliability of the St George's Respiratory Questionnaire after adaptation to a different language and culture: the Spanish example.

Abstract

We describe the adaptation into Spanish of the St George's Respiratory Questionnaire (SGRQ), a self-administered questionnaire developed by Jones et al. (1991) covering three domains of health in airways disease patients: symptoms, activity and impacts. For the adaptation, the forward and back-translation method by bilinguals was used, together with… (More)

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