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FA has been barely explored in anorexia nervosa (AN). This study evaluated FA occurrence and associated factors in a sample of patients with AN, distinguishing between restrictive and binge\u2013purging subtypes and focussing on the influence of FA in the crossover diagnosis between them.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>A sample of 116 patients with AN admitted for treatment seeking at an Bellvitge Hospital Eating Disorders Unit were included (72 restrictive [AN\u2010R]; 44 binge\u2010purge AN [AN\u2010BP]), and eating\u2010related, personality and psychopathological variables were assessed. Most participants were women (92.2%), mean age 27.1 years old (SD\u00a0=\u00a010.5).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>FA was more prevalent in patients with AN\u2010BP compared to the AN\u2010R group (75.0% and 54.2%, respectively). The patients with AN\u2010R FA+, presented more similar ED symptomatology, general psychopathology and personality traits, with the AN\u2010BP patients, than with the AN\u2010R FA\u2010.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Patients with AN\u2010R FA+, exhibit more similarities with the AN\u2010BP subgroup than with the AN\u2010R FA\u2010. Thus, it is possible to hypothesise that the presence of FA might be an indicator of the possible crossover from AN\u2010R to AN\u2010BP.<\/jats:p><\/jats:sec>","DOI":"10.1002\/erv.2897","type":"journal-article","created":{"date-parts":[[2022,3,20]],"date-time":"2022-03-20T23:23:40Z","timestamp":1647818620000},"page":"278-288","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Food addiction in anorexia nervosa: Implications for the understanding of crossover diagnosis"],"prefix":"10.1002","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5874-8204","authenticated-orcid":false,"given":"Isabel","family":"Sanchez","sequence":"first","affiliation":[{"name":"Department of Psychiatry University Hospital of Bellvitge  Barcelona Spain"},{"name":"CIBER Fisiopatolog\u00eda Obesidad y Nutrici\u00f3n (CIBERObn) Instituto de Salud Carlos III  Madrid Spain"},{"name":"Psychoneurobiology of Eating and Addictive 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