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Quality of Life Predictors and Normative Data

Patrício, B., Jesus, L. M., Cruice, M. & Hall, A. (2014). Quality of Life Predictors and Normative Data. Social Indicators Research, 119(3), pp. 1557-1570. doi: 10.1007/s11205-013-0559-5


Purpose: Identify predictors and normative data for quality of life (QOL) in a sample of Portuguese adults from general population

Methods: A cross-sectional correlational study was undertaken with two hundred and fifty-five (N=255) individuals from Portuguese general population (mean age 43yrs, range 25-84yrs; 148 females, 107 males). Participants completed the European Portuguese version of the World Health Organization Quality of Life short-form instrument (WHOQOL-Bref) and the European Portuguese version of the Center for Epidemiologic Studies Depression Scale (CES-D). Demographic information was also collected.

Results: Portuguese adults reported their QOL as good. The physical, psychological and environmental domains predicted 44% of the variance of QOL. The strongest predictor was the physical domain and the weakest was social relationships. Age, educational level, socioeconomic status and emotional status were significantly correlated with QOL and explained 25% of the variance of QOL. The strongest predictor of QOL was emotional status followed by education and age. QOL was significantly different according to: marital status; living place (mainland or islands); type of cohabitants; occupation; health.

Conclusions: The sample of adults from general Portuguese population reported high levels of QOL. The life domain that better explained QOL was the physical domain. Among other variables, emotional status best predicted QOL. Further variables influenced overall QOL. These findings inform our understanding on adults from Portuguese general population QOL 2 and can be helpful for researchers and practitioners using this assessment tool to compare their results with normative data.

Publication Type: Article
Additional Information: The final publication is available at Springer via
Publisher Keywords: Quality of life, predictors, Portuguese general population, WHOQOL-Bref
Subjects: R Medicine > RA Public aspects of medicine
Departments: School of Health & Psychological Sciences > Language & Communication Science
SWORD Depositor:
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