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BACKGROUND AND AIMS: Disordered eating is frequently reported in patients with inflammatory bowel disease (IBD). We aimed to describe the prevalence of avoidant restrictive food intake disorder (ARFID) in patients with IBD and to identify predictors of ARFID. METHODS: Patients with IBD at 2 academic medical centers completed questionnaires including the ARFID subscale of the Pica, ARFID, and Rumination Disorder Questionnaire (PARDI-AR-Q), disease characteristics, and psychosocial variables. IBD disease activity was determined by a review of objective data within 90 days of survey completion. RESULTS: Three hundred and twenty-five participants completed the questionnaires (56% female, average age 47.60 years, 49.5% Crohn's disease (CD), 45.5% ulcerative colitis (UC)). Using the PARDI-AR-Q, 17.8% of the total sample screened positive for ARFID. ARFID+ respondents were younger, had shorter disease duration, and worse psychosocial functioning compared to ARFID-. A higher percentage of ARFID+ patients had objective disease activity compared to ARFID- (51% vs. 40%), but this was not statistically significant. There was no statistical difference in ARFID rates between patients with CD compared to UC. In patients with inactive disease only, 16.3% screened positive for ARFID. In hierarchical logistic regression, the only significant predictor of ARFID among patients with inactive IBD was GI-specific anxiety. CONCLUSIONS: In this multi-center study, 16.3% of patients with inactive IBD met the criteria for ARFID, and 17.8% of all patients met the criteria regardless of objective disease activity. GI-specific anxiety was the only predictor of ARFID among patients with inactive IBD, highlighting the need for multidisciplinary care in IBD.
Grossberg et al. (Sun,) studied this question.