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Psychiatric characteristics in transsexual individuals: multicentre study in four European countries.

BACKGROUND
Research into the relationship between gender identity disorder and psychiatric problems has shown contradictory results.


AIMS
To investigate psychiatric problems in adults fulfilling DSM-IV-TR criteria for a diagnosis of gender identity disorder.


METHOD
Data were collected within the European Network for the Investigation of Gender Incongruence using the Mini International Neuropsychiatric Interview - Plus and the Structured Clinical Interview for DSM-IV Axis II Disorders (n = 305).


RESULTS
In 38% of the individuals with gender identity disorder a current DSM-IV-TR Axis I diagnosis was found, mainly affective disorders and anxiety disorders. Furthermore, almost 70% had a current and lifetime diagnosis. All four countries showed a similar prevalence, except for affective and anxiety disorders, and no difference was found between individuals with early-onset and late-onset disorder. An Axis II diagnosis was found in 15% of all individuals with gender identity disorder, which is comparable to the general population.


CONCLUSIONS
People with gender identity disorder show more psychiatric problems than the general population; mostly affective and anxiety problems are found.