Abstract

The objective of this study was to determine the reliability and the factorial structure of the Chilean version scale of quality of life WHOQOL-BREF (World Health Organization). A non-probabilistic sample of 1205 adults (M-age = 18.6, SD = 1.8; 57.8% female) was surveyed during 2018. Using a polychoric correlation matrix, we tested and compared several models with a confirmatory factor analysis. Total scores were compared by sex and socioeconomic status, confirming the hypothesis about the construct validity. A bifactorial model, compared with a correlated factor model and a second-order model, showed better fit indexes (chi(2)[222] = 961.694, p.001, CFI =.966, TLI =.958, RMSEA =.053 [.049-.056]). The internal reliability was excellent (omega = .94). The Chilean version of the WHOQOL-BREF is psychometrically sound, allowing to measure this construct reliably and validly in Chilean young adults.