Application of the Portuguese version of the abbreviated instrument of quality life WHOQOL-bref

Introduction The need of short instruments to evaluate Quality of life determines World Health Organization Quality of Life Group, (WHOQOL Group) to develop an abbreviated version of the WHOQOL-100, the WHOQOL-bref: The objective is to present the Brazilian field trial of the WHOQOL-bref Methods WHOQOL-bref is composed by 26 questions divided in four domains: physical, psychological, social relationships and environment. The evaluation instrument, BDI (beck depression inventory) and BHS (Deck hopelessness scale) were used in a 300 subjects sample in Porto Alegre, South Brazil. Results/Conclusions The instrument showed a good performance concerning internal consistency, discriminant validity, criterion validity: concurrent validity and test-retest reliability. The instrument allies good psychometric performance and practicity for use which puts it as an interesting option to evaluate quality of life in Brazil.