This measure has been designed as a supplement to the WHOQOL-BREF.
For the ID subsample, minor semantic changes were made to the WHOQOL-Bref items so as to facilitate comprehension.
Therefore, before applying the Rasch models to the WHOQOL-BREF, a parallel analysis (PA) [ 21, 22] was used to test the unidimensionality of each domain.
Both answers to questions of the WHOQOL-BREF and overall results did not have normal distribution, which was confirmed by the Shapiro Wilk normality test.
In addition, the study of Fontanive et al. [ 44],in which adults and elderly persons answered the WHOQOL-Bref questionnaire, one of the most important generic quality of life questionnaires used by researchers, reported the association of caries and the need for prostheses with quality of life.
In addition, our objective was not to validate the WHOQOL-Bref as an instrument of measurement.
For any new centre not previously involved in either the development or field-testing of the WHOQOL-100, the procedure recommended to field test the WHOQOL-BREF should be identical to that used to initially field test the WHOQOL-100.
Based on these reality needs and to fill the gap in the literature, we use the WHOQOL-BREF scale to perform an analysis and modeling.
We found the WHOQOL-BREF to be a valid and relevant instrument for assessing QOL among detainees.
To assess the effect of inability to read on a five-point Likert scale, using the WHOQOL-BREF response scale.
