{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T18:33:08Z","timestamp":1769020388744,"version":"3.49.0"},"reference-count":47,"publisher":"Cambridge University Press (CUP)","issue":"12","license":[{"start":{"date-parts":[[2009,4,20]],"date-time":"2009-04-20T00:00:00Z","timestamp":1240185600000},"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":[[2009,12]]},"abstract":"<jats:sec id=\"S0033291709005819_sec_001\"><jats:title>Background<\/jats:title><jats:p>Two alternative models of post-traumatic stress disorder (PTSD) appear to represent the disorder's latent structure better than the traditional Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV) three-factor PTSD model. The present study examines the impact of using these structural models for the diagnosis of lifetime PTSD while retaining the DSM-IV PTSD's six-symptom diagnostic requirement.<\/jats:p><\/jats:sec><jats:sec id=\"S0033291709005819_sec_a002\"><jats:title>Method<\/jats:title><jats:p>Data were gathered from large-scale, epidemiological datasets collected with adults (National Comorbidity Survey Replication) and adolescents (National Survey of Adolescents). Two alternative, empirically supported four-factor models of PTSD were compared with the DSM-IV three-factor PTSD diagnostic model.<\/jats:p><\/jats:sec><jats:sec id=\"S0033291709005819_sec_a003\" sec-type=\"results\"><jats:title>Results<\/jats:title><jats:p>Results indicated that the diagnostic alterations resulted in substantially improved structural validity, downward adjustments of PTSD's lifetime prevalence (roughly 1 percentage point decreases in adults, 1\u20132.5 percentage point decreases in adolescents), and equivalent psychiatric co-morbidity and sociodemographic associations.<\/jats:p><\/jats:sec><jats:sec id=\"S0033291709005819_sec_a004\" sec-type=\"conclusion\"><jats:title>Conclusions<\/jats:title><jats:p>Implications for modifying PTSD diagnostic criteria in future editions of DSM are discussed.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s0033291709005819","type":"journal-article","created":{"date-parts":[[2009,4,20]],"date-time":"2009-04-20T13:19:46Z","timestamp":1240233586000},"page":"1957-1966","source":"Crossref","is-referenced-by-count":59,"title":["Diagnostic alterations for post-traumatic stress disorder: examining data from the National Comorbidity Survey Replication and National Survey of Adolescents"],"prefix":"10.1017","volume":"39","author":[{"given":"Jon D.","family":"Elhai","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julian D.","family":"Ford","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenneth J.","family":"Ruggiero","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B.","family":"Christopher 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