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  • Title: Eating behavior in morbidly obese patients undergoing gastric surgery: differences between obese people with and without psychiatric disorders.
    Author: Guisado JA, Vaz FJ, López-Ibor JJ, Rubio MA.
    Journal: Obes Surg; 2001 Oct; 11(5):576-80. PubMed ID: 11594098.
    Abstract:
    BACKGROUND: This study analyzes eating behavior in a group of morbidly obese patients who have undergone gastric reduction surgery for weight loss, and evaluates whether the existence of psychiatric comorbidity marks significant differences in their eating behavior. METHODS: The study group was composed of 100 morbidly obese patients (85 females, 15 males) who had received surgical treatment for weight reduction (vertical banded gastroplasty). 40 of these patients (40%) met ICD-10 criteria for the diagnosis of psychiatric disorders and were included in the "Psychiatric Obese group" (PO). The other 60 patients (60%) did not show ICD-10 diagnostic criteria and were included in the "Non-Psychiatric Obese group" (NO). Each patients completed the Binge Eating Scale (BES), the Three Factor Eating Questionnaire, the Bulimia Investigatory Test-Edinburgh (BITE), and the Eating Disorder Inventory (EDI). RESULTS: Significant differences were found between the two groups (PO and NO) in the Binge Eating Scale (p < 0.001), Three Factor Eating Questionnaire subscale Disinhibition (p < 0.001), BITE (p < 0.001), Eating Disorder Inventory subscale Perfectionism (p < 0.002), and Global EDI (p < 0.001). Logistic regression analysis showed correlation between PO group and Global EDI (Odds Ratio OR = 1.43) and BITE (OR = 1.16). No significant gender differences were found for eating behavior, clinical diagnosis, age, percentage of weight loss, time after operation, and BMI before surgery. CONCLUSION: Surgically treated morbidly obese patients with a psychiatric disorder (PO) have a more destructured eating pattern (with a predominance of binge eating and disinhibition) than NO.
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