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Reliability and validity of a Swedish version of the St George's Respiratory Questionnaire.

Artikel i vetenskaplig tidskrift
Författare Carl-Peter Engström
Lars-Olof Persson
Sven Larsson
Marianne Sullivan
Publicerad i The European respiratory journal : official journal of the European Society for Clinical Respiratory Physiology
Volym 11
Nummer/häfte 1
Sidor 61-6
ISSN 0903-1936
Publiceringsår 1998
Publicerad vid Institutionen för omvårdnad
Institutionen för invärtesmedicin, Avdelningen för lungmedicin och allergologi
Institutionen för invärtesmedicin, Avdelningen för kroppssammansättning och metabolism
Sidor 61-6
Språk en
Länkar www.ncbi.nlm.nih.gov/entrez/query.f...
Ämnesord Aged, Cross-Sectional Studies, Evaluation Studies as Topic, Forced Expiratory Volume, physiology, Humans, Lung Diseases, Obstructive, physiopathology, Middle Aged, Pilot Projects, Quality of Life, Questionnaires, Sickness Impact Profile, Sweden, Translations, Walking, physiology
Ämneskategorier Omvårdnad

Sammanfattning

The St George's Respiratory Questionnaire (SGRQ) was designed to measure quality of life (QoL) in obstructive pulmonary disease. Its reliability, validity and sensitivity have been demonstrated. The aim was to develop a Swedish version of the SGRQ and to confirm its scaling and clinical properties. The SGRQ was adapted for Swedish conditions following a translation-backtranslation procedure. The psychometric and clinical evaluation included 68 patients with chronic obstructive pulmonary disease (COPD). Supplementary QoL, clinical and physiological data were collected. A follow-up study was performed 1 yr later. Correlation analysis used a multitrait-multimethod model. Internal consistency reliability and discriminant validity were documented by performing a multitrait analysis. The results confirmed expected levels of associations. Correlation coefficients between the SGRQ total score and the Sickness Impact Profile Total score (a generic health measure), forced expiratory volume in one second (FEV1) and 6 min walking distance were 0.69, -0.42 and -0.61 respectively. The pattern of correlations in the Swedish data set was very similar to that of the original. The stability of the SGRQ scores was confirmed at follow-up after 1 yr. The reliability was satisfactory, with Cronbach's alpha coefficients >0.80 for the SGRQ and its subdimensions. In conclusion, the Swedish version of the St George's Respiratory Questionnaire is reliable, valid and compares well with the corresponding tests of the original version.

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Utskriftsdatum: 2020-08-14