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Sandhya Ramrakha a Dunedin
Multidisciplinary Health and Development Research Unit, Department of
Preventive and Social Medicine, University of Otago Medical School,
PO Box 913, Dunedin, New Zealand, b Department of Preventive and
Social Medicine, University of Otago Medical School, c Institute of Psychiatry, Social,
Genetic and Developmental Psychiatry Research Centre, London SE5 8AF
Correspondence to: S Ramrakha sramrakha{at}gandalf.otago.ac.nz
Objective:
To determine if risky sexual intercourse, sexually transmitted diseases, and sexual intercourse at an early age
are associated with psychiatric disorder.
Design:
Cross sectional study of a birth cohort at age
21 years with assessments presented by computer (for sexual behaviour)
and by trained interviewers (for psychiatric disorder).
Setting:
New Zealand in 1993-4.
Participants:
992 study members (487 women) from the
Dunedin multidisciplinary health and development study. Complete data were available on both measures for 930 study members.
Main outcome measures:
Psychiatric disorders (anxiety,
depression, eating disorder, substance dependence, antisocial disorder,
mania, schizophrenia spectrum) and measures of sexual behaviour.
Results:
Young people diagnosed with substance
dependence, schizophrenia spectrum, and antisocial disorders were more
likely to engage in risky sexual intercourse, contract sexually
transmitted diseases, and have sexual intercourse at an early age
(before 16 years). Unexpectedly, so were young people with
depressive disorders. Young people with mania were more likely to
report risky sexual intercourse and have sexually transmitted diseases. The likelihood of risky behaviour was increased by psychiatric comorbidity.
Conclusions:
There is a clear association between
risky sexual behaviour and common psychiatric disorders. Although the temporal relation is uncertain, the results indicate the need to
coordinate sexual medicine with mental health services in the treatment
of young people.
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