Avoidant/Restrictive Food Intake Disorder Symptoms Are Not as Frequent as Other Eating Disorder Symptoms When Ulcerative Colitis Is in Remission

Background and Aim Recent studies have shown that up to 53% of patients with inflammatory bowel disease [IBD] screen positive for avoidant/restrictive food intake disorder [ARFID]. There is however concern that ARFID screening rates are over-inflated in patients with active disease. We aimed to evaluate the frequency and characteristics of ARFID symptoms using the Nine Item ARFID Screen [NIAS], and to use another eating disorder measure, the Eating Disorder Examination-Questionnaire 8 [EDE-Q8], to rule-out/characterise other eating disorder cognitive and behavioural symptoms. Methods Participants included adults with UC who are enrolled in an ongoing cohort study with quiescent UC (Simple Clinical Colitis Activity Index [SCCAI] <= 2 or faecal calprotectin <150 g/g with corticosteroid-free clinical remission for >= 3 months) at baseline. We used self-reported data on demographics, gastrointestinal medications, medical comorbidities, NIAS scores, and EDE-Q-8 scores. Results We included 101 participants who completed the NIAS at their baseline cohort assessment [age 49.9 +/- 16.5 years; 55% female]. Eleven participants [11%] screened positively for ARFID on at least one NIAS subscale [n = 8 male]. Up to 30 participants [30%] screened positive for other eating disorder symptoms [EDE-Q-8 Global >= 2.3]. Overall score distributions on the EDE-Q-8 showed that participants scored highest on the Weight Concern and Shape Concern subscales. Conclusions Among adults with UC in remission, we found a low rate of ARFID symptoms by the NIAS but a high rate of positive screens for other eating disorder symptoms.