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Validity and Reliability of Finnish Version of WHOQOL-Bref on Adult Population in Finland
Marja Vaarama
Minna-Liisa Luoma
Eero Siljander
Satu Meriläinen-Porras
出版
SSRN
, 2014
URL
http://books.google.com.hk/books?id=3CbgzwEACAAJ&hl=&source=gbs_api
註釋
Purpose: The aim of this paper is to determine the WHOQOL-Bref population norms and describe the psychometric properties of the Finnish WHOQOL-Bref in relation to construct validity, discriminatory power, and internal consistency in the general population. Method: Data from the Finnish HYPA survey, which combines telephone and personal visits interviews. Telephone interviews and posted questionnaires and register based data were used for 18-79 year olds and face to face interviews with register data at age group over 79 years old, were analyzed and used. Results: The Cronbach alpha, confirmatory factor and regression analysis show the internal consistency and validity of the instrument to be sufficient for research and QoL measurement purposes, the same applies to its domains and general QoL. The internal consistency of the domains in the sample for the physical, psychological, social relationships, and environmental domains were 0,83; 0,78; 0,69; 0,67 respectively measured by Cronbach's alpha. The internal consistency for physical and psychological demonstrated good values and social and environment domain acceptable internal consistency values. The internal consistency for the total scale was 0,89 which was near excellent. In addition discriminatory tests and confirmatory factor analysis provided evidence of the construct validity of the scale. Conclusions: We find and conclude the two general items and the physical and psychological domains to be psychometrically and in addition statistical significant measures of QoL, construct valid indicators of quality of life (QoL). These dimensions also produce valid socio-economic discriminatory results for QoL. There however exist construct validity reservations with respect to the social and the environment domains in the Finnish data.
