PSYCHOMETRIC QUALITIES OF THE RAND 36-ITEM HEALTH SURVEY-1.0 - A MULTIDIMENSIONAL MEASURE OF GENERAL HEALTH-STATUS

The reliability and validity of the RAND 36-Item Health Survey 1.0 wer e investigated in a population sample of 1,063 inhabitants of a Dutch township, all age 17 or older. Confirmatory factor analysis only partl y supported the internal structure of the RAND 36-Item Health Survey 1 .0. The internal consistency of the instrument was high. Pointing to h igh convergent validity, a multitrait-multimethod matrix revealed that the RAND-36 scales showed higher correlations with corresponding scal es from other instruments than with noncorresponding scales. However, indicating low discriminant validity, some of these correlations did n ot exceed the intercorrelations among the RAND-36 scales. Multivariate analysis of variance (MANOVA) showed significant effects of age for p hysical functioning, role limitations (physical problem), general heal th perception and pain, and significant effects of education on physic al functioning and general health perception. Significant sex differen ces were found for mental health only. The results of this study on th e psychometric properties of the RAND 36-Item Health Survey 1.0 seem p romising. There is a need for further studies investigating its factor structure and cross-cultural equivalence.