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Assessment of psychological predictors of weight loss:How and what for?

World Journal of Psychiatry 2015年第1期5卷 56-67页

作者： Lisa Lazzeretti Francesco Rotella laura pala Carlo Maria Rotella Psychiatric Unit Careggi University Hospital Psychiatric Unit and Diabetes Agency Careggi University Hospital Endocrinology Unit Careggi University Hospital Department of Biomedical Experimental and Clinical Sciences Obesity AgencyCareggi University Hospital

Obesity is a multifactorial disease and the prominent factors playing a role in its pathogenesis are biological, environmental and psychological. There is a growing interest in understanding psychological functioning of obese subjects and the influence of psychological factors on treatment outcome. The aim of the present narrative review is to critically analyze the current literature, in order to point out the most common psychological constructs studied in obesity and to give an overview of the main existing tools investigating psychological features which have been considered significant for the prediction of success in weight loss and maintenance programs in obese patients. In this framework, the most common psychological constructs studied are: self-motivation, self-efficacy, locus of control, health related quality of life, self-esteem, self-control, concerns about body image, outcome expectations, and personality traits. These features have been explored through a wide variety of psychometric instruments. However, as an overall, studies evaluating the association between psychological features and treatment outcome failed to give consistent results. A possible explanation may consist on the fact that many tools widely used to explore psychological features were not specifically designed for obese patients and none of them was comprehensive of all possible psychological features involved. The identification of well-defined subgroups of patients and the validation of more reliable and comprehensive tools, specifically designed for obese subjects, should be forecasted in order to reach a better knowledge of psychological functioning of obese individuals and to improve the outcome of weight loss programs.

关键词： Obesity Eating behaviors Psychometrics Psychological assessment Psychological predictors

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