A diagnostic subgroup comparison of health care utilization patterns in individuals with eating disorders diagnosed in childhood and/or adolescence
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AbstractObjectiveThis study examined a 2‐year period after diagnosis of an eating disorder to compare health care utilization in diagnostic subgroups including: anorexia nervosa (AN), bulimia nervosa (BN), binge‐eating disorder (BED), avoidant/restrictive food intake disorder (ARFID), and other specified eating disorders (Other).MethodWe conducted a retrospective study of children diagnosed with AN (n = 674), BN (n = 230), BED (n = 59), ARFID (n = 171), and Other (n = 315). We used a general population cohort for comparison, matched 5:1 to the diagnostic subgroups on sex and birth date. We then conducted a separate analysis using the ARFID subgroup as a reference group compared to the other subgroups. Outcomes were determined using data linkage with health administrative databases and included hospitalizations, emergency department, general practitioner, psychiatry, and pediatrician visits. Odds ratios (dichotomous outcomes) and rate ratios (continuous outcome) were calculated.ResultsMental health care utilization was higher for all subgroups compared to the general population. When the subgroups were compared to the ARFID subgroup, those with ARFID appeared to have similar health care utilization to the other subgroups, except when compared to those with AN. The AN subgroup had higher odds of a mental health related hospitalization (OR 1.62, 95% CI 1.04–2.5) higher rates of mental health related pediatrician visits (RR 1.76, 95% CI 1.26–2.46) and psychiatry visits (RR 1.69, 95% CI 1.07–2.68).ConclusionsThose with ARFID have similar utilization as other subtypes of eating disorders, except when compared to those with AN who have higher health care utilization.Public SignificanceOur study found that the health service needs of young people with all types of eating disorders are substantially higher than the general population, and it appears that Avoidant/Restrictive Food Intake Disorder (ARFID) has similar health care utilization to other eating disorders.
