{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T23:04:13Z","timestamp":1792191853044,"version":"4.4.0"},"reference-count":51,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2001,5,31]],"date-time":"2001-05-31T00:00:00Z","timestamp":991267200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Intl J Eating Disorders"],"published-print":{"date-parts":[[2001,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Early intervention is often regarded as an important step for the prevetion of a chronic eating disorder. The primary aim of this review was to systematically evaluate the outcome literature and to better describe the effects of early intervention on the course of bulimia nervosa.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Twenty\u2010four follow\u2010up studies were subjected to nine \u201cbest\u2010evidence\u201d criteria for methodological soundness. Of these 24 studies, 5 met all methodological criteria and were considered in more detail.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Only one of these five studies found a significant association between duration of illness and outcome. These studies were re\u2010examined to exclude studies that included patients who were not first admissions in order to distinguish between the effect of duration of illness versus early intervention. This re\u2010examination excluded four of the five studies, and the remaining study provided no data regarding prior treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>Based on this selection of studies, it was concluded that there is no consistent evidence to support that early intervention necessarily implies a better long\u2010term outcome. Due to the multiple methodological problems that plague follow\u2010up studies, future research would be improved by employing designs that directly test the impact of early versus late intervention. \u00a9 2001 by John Wiley &amp; Sons, Inc. 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