{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T00:09:55Z","timestamp":1793750995216,"version":"4.6.1"},"reference-count":56,"publisher":"Cambridge University Press (CUP)","issue":"5","license":[{"start":{"date-parts":[[2008,9,8]],"date-time":"2008-09-08T00:00:00Z","timestamp":1220832000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Psychol. Med."],"published-print":{"date-parts":[[2009,5]]},"abstract":"<jats:sec id=\"S0033291708004327_sec_001\">\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>DSM-IV cites &lt;85% of expected body weight (EBW) as a guideline for the diagnosis of anorexia nervosa (AN) but does not require a specific method for calculating EBW. The purpose of the present study was to determine the degree to which weight cut-off calculations vary across studies, and to evaluate whether differential cut-offs lead to discrepancies in the prevalence of individuals who are eligible for the AN diagnosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0033291708004327_sec_a002\">\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      Two coders independently recorded the EBW calculation methods from 99 studies that either (\n                      <jats:italic>a<\/jats:italic>\n                      ) compared individuals with AN to those with subclinical eating disorders or (\n                      <jats:italic>b<\/jats:italic>\n                      ) conducted AN treatment trials. Each weight cut-off was applied to a nationally representative (\n                      <jats:italic>n<\/jats:italic>\n                      =12001) and treatment-seeking (\n                      <jats:italic>n<\/jats:italic>\n                      =189) sample to determine the impact of EBW calculation on the proportion who met the AN weight criterion.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0033291708004327_sec_a003\" sec-type=\"results\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Coders identified 10 different EBW methods, each of which produced different weight cut-offs for the diagnosis of AN. Although only 0.23% of the national sample met the lowest cut-off, this number increased 43-fold to 10.10% under the highest cut-off. Similarly, only 48.1% of treatment seekers met the lowest cut-off, whereas 89.4% met the highest.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0033291708004327_sec_a004\" sec-type=\"conclusion\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>There is considerable variance across studies in the determination of the AN weight cut-off. Discrepancies substantially affect the proportion of individuals who are eligible for diagnosis, treatment and insurance reimbursement. However, differences may not be fully appreciated because the ubiquitous citation of the 85% criterion creates a sense of false consensus.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1017\/s0033291708004327","type":"journal-article","created":{"date-parts":[[2008,9,8]],"date-time":"2008-09-08T04:13:27Z","timestamp":1220847207000},"page":"833-843","source":"Crossref","is-referenced-by-count":20,"title":["Eighty-five per cent of what? 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