Canadian normative data for the Medical Outcomes Study 36-item short form (SF-36) have recently been published. However, there is evidence from other countries to suggest that regional variation in health-related quality of life (HRQOL) may exist. We therefore examined the SF-36 data from nine Canadian centres for evidence of systematic differences.
Methods
Bayesian hierarchical modelling was used to compare the differences in the eight SF-36 domains and the two summary component scores within each of the age and gender strata across the nine sites.
Results
Five domains and the two summary component scores showed little clinically important variation. Other than a small number of exceptions, there was little overall evidence of HRQOL differences across most domains and across most sites.
Interpretation: Our finding of only a few small differences suggests that there is no need to develop region-specific Canadian normative data for the SF-36 health survey. Contexte: Les données normatives canadiennes s’appliquant à la version abrégée du questionnaire sur l’évolution médicale comportant 36 questions (SF-36) ont été publiées récemment. Toutefois, les données recueillies dans d’autres pays suggèrent qu’il peut exister des variations régionales au niveau de la qualité de vie reliée à l’état de santé (HRQOL). Nous avons donc étudié les données du SF-36 provenant de neuf centres canadiens pour démontrer les différences systématiques. Méthodes: Un modèle hiérarchique bayésien a été utilisé pour comparer les différences entre les résultats des huit domaines du SF-36 et des deux composantes sommaires pour chaque strate d’âge et de sexe, et ce, pour les neuf centres. Résultats: Les résultats de cinq domaines et des deux composantes sommaires démontraient des différences peu significatives cliniquement. Outre de rares exceptions, il y avait peu d’évidence de variations du HRQOL entre la plupart des domaines et des centres. Interprétation: Les résultats obtenus, ne démontrant que de légères différences, suggèrent qu’il n’est pas nécessaire d’établir des données normatives spécifiques aux régions du Canada pour le questionnaire de santé SF-36.
sf-36 regional variation canada, health related quality of life canadian, population health survey regional differences, medical outcomes study short form, quality of life normative data, canadian health survey regional analysis, bayesian hierarchical modeling health data, hrqol regional differences
Cite this article
WM Hopman, T Towheed, T Anastassiades, A Tenenhouse, S Poliquin, C Berger, L Joseph, J Brown, T Murray, JD Adachi, D Hanley, & EA Papadimitropoulos and the CaMos Research Group. (1900). Is there regional variation in the SF-36 scores of Canadian adults?. *Canadian journal of public health = Revue canadienne de sante publique*, *93*(3), 233-237.
WM Hopman, T Towheed, T Anastassiades, A Tenenhouse, S Poliquin, C Berger, et al. Is there regional variation in the SF-36 scores of Canadian adults?. Can J Public Health. 1900;93(3):233-237.
WM Hopman, et al. "Is there regional variation in the SF-36 scores of Canadian adults?." *Canadian journal of public health = Revue canadienne de sante publique*, vol. 93, no. 3, 1900, pp. 233-237.
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