Psychopathology in Adults with Co-Occurring Avoidant/Restrictive Food Intake Disorder and Higher Weight

Area of Science:

• Psychiatry
• Clinical Psychology
• Nutritional Science

Background:

• Avoidant/restrictive food intake disorder (ARFID) research has historically focused on children and underweight individuals.
• Limited data exists on ARFID in adults, particularly those with higher weight status.
• Understanding ARFID across weight spectrums is crucial for comprehensive care.

Purpose of the Study:

• To investigate clinical differences in adults with ARFID symptoms and diagnosis based on weight status (underweight, normal weight, overweight/obesity).
• To address the gap in research concerning ARFID in adults with overweight and obesity.
• To inform diagnosis and treatment approaches for ARFID.

Main Methods:

• Online survey of 369 adults with ARFID symptoms.
• Clinical interviews with 77 adults to confirm ARFID diagnosis.
• Analysis of clinical data stratified by weight status.

Main Results:

• Overweight/obesity was prevalent in 34-39% of the ARFID samples.
• Adults with ARFID and overweight/obesity reported less food disinterest, higher eating disorder psychopathology, and more metabolic comorbidities.
• Increased psychosocial impairment was observed in overweight/obese adults with ARFID compared to underweight individuals, without significant differences in neophobia or depressive symptoms.

Conclusions:

• This study offers the first detailed analysis of ARFID in adults concerning weight status.
• Findings underscore the importance of considering weight status in ARFID diagnosis and treatment.
• Further longitudinal research is necessary to understand ARFID's role in the development and management of higher weight conditions.