Cross-validation of item selection and scoring for the SF-12 Health Survey in nine countries : Results from the iqola project.
Data from general population surveys (n=1483 to 9151) in nine European countries (Denmark, France, Germany, Italy, the Netherlands, Norway, Spain, Sweden, and the United Kingdom) were analyzed to cross-validate the selection of questionnaire items for the SF-12 Health Survey and scoring algorithms for 12-item physical and mental component summary measures.
In each country, multiple regression methods were used to select 12 SF-36 items that best reproduced the physical and mental health summary scores for the SF-36 Health Survey.
Summary scores then were estimated with 12 items in three ways :
using standard (U.S. - derived) SF-12 items and scoring algorithms ;
standard items and country-specific scoring ;
and country-specific sets of 12 items and scoring.
Replication of the 36-item summary measures by the 12-item summary measures was then evaluated through comparison of mean scores and the strength of product-moment correlations.
Product-moment correlations between SF-36 summary measures and SF-12 summary measures (standard and country-specific) were very high, ranging from 0.94-0.96 and 0.94-0.97 for the physical and mental summary measures, respectively.
Mean 36-item summary measures and comparable 12-item summary measures were within 0.0 to 1.5 points (median=0.5 points) in each country and were comparable across age groups. (...)
Mots-clés Pascal : Qualité vie, Santé, Questionnaire, Echelle évaluation, Indicateur, Validité construct, Traduction, Langue étrangère, Evaluation, Validité, Homme, Etude comparative, Aspect culturel, Europe, Santé physique
Mots-clés Pascal anglais : Quality of life, Health, Questionnaire, Evaluation scale, Indicator, Construct validity, Translating, Foreign language, Evaluation, Validity, Human, Comparative study, Cultural aspect, Europe
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 99-0057241
Code Inist : 002B30A01A1. Création : 31/05/1999.