Objective. To study health-related quality of life (HRQoL) in obese presurgery patients with binge eating disorder (BED) and with subdiagnostic binge eating disorder (SBED) compared to patients without eating disorders or SBED. Method. Participants were patients referred to St. Olavs University Hospital, Norway, for bariatric surgery. Eating Disorders in Obesity (EDO) questionnaire was used to diagnose BED and SBED. Short-Form Health Survey (SF-12) assessed health-related quality of life. Questionnaires were returned by 160 of 209 patients. The present study sample consisted of 143 patients (103 women and 40 men) as 17 patients did not complete the SF-12. Results. Patients with BED and patients with SBED both had significantly lower mental HRQoL, but not physical HRQoL, compared to patients without eating disorders. Discussion. The findings indicate that obese presurgery patients with BED, and also SBED, may have special treatment needs in regard to their mental health. 1. Introduction The prevalence of obesity (defined with a BMI of ≥30) is increasing worldwide and is regarded as one of the biggest challenges for public health [1, 2]. Of the obese individuals who seek weight loss treatment, 16% to 30% report that they have an eating disorder [3], with the highest prevalence in patients seeking surgery treatment [3, 4]. Both obesity and eating disorders impair physical function and decrease subjective well-being [5, 6]. Based on this, obese individuals with a comorbid eating disorder may experience an extra burden. It is therefore of interest to study whether health-related quality of life (HRQoL) is different in obese presurgery patients with and without binge eating disorder (BED) or subdiagnostic binge eating disorders (SBEDs). 1.1. HRQoL in Obesity and Eating Disorders Impaired quality of life is often the reason obese individuals seek treatment [7]. The concept “HRQoL” is related to how the individual experiences his or her own health status [7, 8]. HRQoL is reported to be lower in obese individuals who seek treatment compared to the normal population [9] and obese individuals who do not seek treatment [10–12]. It may be a continuum, with lower HRQoL in the most demanding treatment as patients who seek surgery treatment report the lowest HRQoL score [12, 13], even when they are compared to patients with serious chronic somatic diseases [9]. For assessing HRQoL, the Medical Outcomes Study Short-Form Health Survey Scale SF-36 [14] and SF-12 [15] are well-validated and well-used generic instruments. In the present study SF-12 was applied. SF-12 is
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