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Impact of Obesity on Health‐related Quality of Life in Schizophrenia and Bipolar Disorder
Author(s) -
Kolotkin Ronette L.,
CoreyLisle Patricia K.,
Crosby Ross D.,
Swanson Jodi M.,
Tuomari Anne V.,
L'Italien Gilbert J.,
Mitchell James E.
Publication year - 2008
Publication title -
obesity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.438
H-Index - 199
eISSN - 1930-739X
pISSN - 1930-7381
DOI - 10.1038/oby.2007.133
Subject(s) - bipolar disorder , medicine , quality of life (healthcare) , schizophrenia (object oriented programming) , psychosocial , overweight , weight loss , obesity , psychiatry , mood , outpatient clinic , weight management , nursing
Objective: Studies have reported that up to 60% of individuals with schizophrenia and 68% of those with bipolar disorder are overweight/obese. This paper explores the health‐related quality of life (HRQOL) of individuals with schizophrenia or bipolar disorder as a function of obesity status. Methods and Procedures: Two hundred and eleven participants were recruited from four psychiatric programs (outpatient, day treatment, case management, and psychosocial rehabilitation). HRQOL was assessed using both a general measure (Medical Outcomes Study Short‐Form‐36 (SF‐36)) and a weight‐related measure (Impact of Weight on Quality of Life‐Lite (IWQOL‐Lite)). To interpret HRQOL scores obtained by the obese group, we compared scores to those obtained by reference groups from the weight‐loss literature. Results: Sixty‐three percent of participants with schizophrenia and 68% of those with bipolar disorder were obese. Obese participants were more likely to be women, on mood stabilizers, taking a greater number of psychiatric medications, and to have poorer weight‐related and general HRQOL. Weight‐related HRQOL in the obese psychiatric sample was more impaired than in outpatient and day treatment samples seeking weight loss but less impaired than in gastric‐bypass patients. Several of the physical domains of general HRQOL were more impaired for the obese psychiatric sample than for the outpatient weight‐loss sample. However, physical functioning was less impaired for the obese psychiatric sample than for gastric‐bypass patients. Discussion: The presence of obesity among individuals with schizophrenia or bipolar disorder is associated with decreased HRQOL. These results have implications for prevention and management of weight gain in individuals with schizophrenia or bipolar disorder.

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