Abstract
Disgust is an established mechanism driving restrictive eating behavior. Avoidant/restrictive food intake disorder (ARFID) is a restrictive eating disorder diagnosis characterized by extremely selective eating with three hypothesized presentations. It has been suggested that disgust is significantly associated with ARFID; however, there is limited empirical research to support this hypothesis. This study explores relationships between food-specific disgust, ARFID symptoms, and ARFID presentations. Undergraduate students (n = 443, Mage = 19.14 years [SD = 1.25], 50.1% female, 52.7% White) completed a validated measure of food-specific disgust and an established self-report screening tool for the likely presence of ARFID and hypothesized ARFID presentations. Sixty-nine (14.5%) participants screened positively for the likely presence of ARFID. Food disgust did not differ between those who did and did not screen positively for ARFID (p > .05). Within the subsample of those screening positive for ARFID, disgust was not related to any of the three hypothesized presentations of ARFID (all p > .05). Our results did not show a significant association between disgust and positive ARFID screen or any of the hypothesized ARFID presentations. Importantly, these negative findings were obtained using validated screening tools for ARFID. Future research should seek to replicate these findings in clinical samples to further inform treatment. Avoidant/restrictive food intake disorder (ARFID) is associated with significant medical and psychosocial complications, but the mechanism involved in its development and maintenance remain poorly understood. Findings from this study of college students screening positively for ARFID suggests that food disgust in not a key driver of ARFID symptoms. Exposure-based approaches, which are generally not thought to be effective in targeting disgust, may thus be appropriate in the treatment of ARFID.
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