SYNOPSISThirty-two patients who complained of episodes of ravenous overeating which they felt unable to control (bulimia) were asked to describe their behaviour and symptoms. There was considerable variation both between and within individuals, but a number of factors were defined which appeared to be common to all with the complaint. It is difficult to set up strict criteria for the recognition of bulimia, and those that have recently been proposed are criticized in the light of our present findings.
Objective: To examine quality of life among subgroups of eating disorder patients. Method: Self-report questionnaires which included two quality of life measures were completed by 87 individuals referred for treatment to the Australian Capital Territory Eating Disorders Day Program. Health-related quality of life, as measured by the Medical Outcomes Study 12-item Short Form Mental Component Summary scale, and subjective quality of life, as measured by subscales of the World Health Organization Brief Quality of Life Assessment Scale (WHOQOL-BREF), were compared among individuals who received the diagnosis of anorexia nervosa purging subtype (n ¼ 15), anorexia nervosa restricting subtype (n ¼ 19), bulimia nervosa (n ¼ 40) and binge eating disorder (n ¼ 10), and among a general population sample of young adult women employed as a control group (n ¼ 495). Results: Eating disorder patients, when considered together, showed marked impairment in both health-related and subjective quality of life relative to normal control subjects. However, in both domains, restricting anorexia nervosa patients reported significantly better quality of life than other patient groups, after controlling for levels of general psychological distress. Scores on the Social Relationships subscale of the WHOQOL-BREF among individuals in this subgroup were similar to those of normal control subjects. Conclusions: Reliance on any one instrument is likely to be misleading in assessing the quality of life of eating disorder patients. Careful consideration needs to be given to the assessment of restricting anorexia nervosa patients in particular.
Items of the EDE-Q assessing attitudinal features of eating disorder psychopathology demonstrate a high degree of temporal stability, whereas the stability of items addressing eating disorder behaviors is much lower. In the case of compensatory eating disorder behaviors, low stability is likely to reflect actual trait variation, whereas the low stability of binge eating behaviors, in particular subjective bulimic episodes, is likely to reflect both trait variation and measurement error. The high internal consistency of EDE-Q items supports its use as a screening instrument in two-phase epidemiologic studies.
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