{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T12:18:00Z","timestamp":1790079480845,"version":"4.0.1"},"reference-count":21,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2001,12,20]],"date-time":"2001-12-20T00:00:00Z","timestamp":1008806400000},"content-version":"vor","delay-in-days":202,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acta Psychiatr Scand"],"published-print":{"date-parts":[[2001,6]]},"abstract":"<jats:p> <jats:bold>Objective:<\/jats:bold>\u2002This study was undertaken to assess the prevalence of obsessive\u2010compulsive symptoms in a population of Italian adolescents.<\/jats:p><jats:p> <jats:bold>Method:<\/jats:bold>\u2002A sample of 2877 high\u2010school students, 1463 males (51%) and 1414 females (49%), aged 16\u201321 years were assessed with the Leyton Obsessional Inventory \u2014 Child Version (LOI\u2010CV). Two groups of subjects were defined as \u2018positive\u2019 on the screen: the high interference (HI) (i.e. all subjects who scored 25 or more in the interference score), and the supernormals (Sn).<\/jats:p><jats:p> <jats:bold>Results:<\/jats:bold>\u2002Females scored higher than males both on yes and interference scores. One hundred and nineteen (4.1%) and 87 (3.0%) constitute, respectively, the HI and the Sn groups. The most interfering symptoms were obsessions linked to dirt phobia, rumination and nail biting.<\/jats:p><jats:p> <jats:bold>Conclusion:<\/jats:bold>\u2002The prevalence estimates of OCD symptoms confirmed the recent data of the literature that adolescent OCD symptoms are more frequent than was believed previously. Females showed more symptoms and more interference on personal functioning than males.<\/jats:p>","DOI":"10.1034\/j.1600-0447.2001.00337.x","type":"journal-article","created":{"date-parts":[[2003,3,10]],"date-time":"2003-03-10T10:05:32Z","timestamp":1047290732000},"page":"441-446","source":"Crossref","is-referenced-by-count":30,"title":["The Parma High School Epidemiological Survey: obsessive\u2010compulsive symptoms"],"prefix":"10.1111","volume":"103","author":[{"given":"C.","family":"Maggini","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.","family":"Ampollini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Gariboldi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P. 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