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  • Title: WHOQOL-BREF psychometric properties in a sample of smokers.
    Author: Castro Mda G, Oliveira Mda S, Miguel AC, Araujo RB.
    Journal: Braz J Psychiatry; 2007 Sep; 29(3):254-7. PubMed ID: 17713694.
    Abstract:
    OBJECTIVE: To study the World Health Organization Quality of Life Instrument Bref psychometric properties in a sample of smokers. It is a self-administered instrument to evaluate quality of life. It contains 26 questions allocated to 4 domains: Social, Psychological, Physical and Environmental, there are 2 questions related to the Global domain. METHOD: The sample was formed by 276 tobacco users selected at random. The instruments applied were: World Health Organization Quality of Life Instrument Bref, Fagerström Test for Nicotine Dependence, and Medical Outcomes Study Short-Form 36-item. The statistical analysis was accomplished up by ANOVA, Cronbach's alpha, Pearson's Coefficient and Multiple Regression. RESULTS: The World Health Organization Quality of Life Instrument Bref presented good reliability (Cronbach's alpha 0.9207), converging validation (0.382<r<0.753; p<0.001), discriminant validation and criterion validation (0.554<r<0.778; p<0.001). CONCLUSION: The World Health Organization Quality of Life Instrument Bref proved to be an adequate instrument, with a good level of reliability, being easily and quickly administered.
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