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Dissociation in a General Population of Finnish Adolescents

Tolmunen, Tommi MD, PhD*; Maaranen, Päivi MD, PhD*; Hintikka, Jukka MD, PhD†; Kylmä, Jari RN, PhD‡; Rissanen, Marja-Liisa RN, PhD (candidate)*; Honkalampi, Kirsi PhD*; Haukijärvi, Tuija MD, PhD*; Laukkanen, Eila MD, PhD*

Journal of Nervous & Mental Disease: July 2007 - Volume 195 - Issue 7 - pp 614-617
doi: 10.1097/NMD.0b013e318093f487
Brief Report

Only a few studies have been published concerning dissociation in general population adolescents. We assessed dissociation using the Adolescent Dissociative Experiences Scale (A-DES) in a sample of Finnish adolescents aged 13 to 18 years (n = 4019). The A-DES had good internal reliability and factor analysis suggested a 1-factor solution to be optimal. The younger participants had somewhat higher A-DES scores, but there were no differences between the genders. The mean A-DES score of 0.88 in the whole sample was lower than that in previous studies in other countries. A high level of dissociation was associated with an age of 15 or less, daily smoking, frequent use of alcohol, abuse of legal drugs, cannabis use, social isolation, and poor school performance in mathematics.

*Department of Psychiatry, Kuopio University Hospital, P.O. Box 1777, FIN-70211 Kuopio, Finland; †Department of Psychiatry, University of Tampere and Paijat-Hame Central Hospital, Lahti, Finland; and ‡Department of Nursing Science, University of Kuopio, P.O. Box 1627, FIN-70211 Kuopio, Finland.

Send reprint requests to Tommi Tolmunen, MD, PhD, Department of Psychiatry, Kuopio University Hospital, P.O. Box 1777, FIN-70211 Kuopio, Finland. E-mail: Tommi.Tolmunen@kuh.fi.

© 2007 Lippincott Williams & Wilkins, Inc.