Source
Charité
- Universitätsmedizin Berlin, Campus Charité Mitte, Department of
Psychiatry and Psychotherapy, Berlin, Germany.
Andreas.Stroehle@charite.de
Abstract
BACKGROUND:
Although positive effects of physical activity on mental health indicators have been reported, the relationship between physical activity and the development of specific mental disorders is unclear.
METHOD:
A
cross-sectional (12-month) and prospective-longitudinal epidemiological
study over 4 years in a community cohort of 2548 individuals, aged
14-24 years at outset of the study. Physical activity and mental disorders were assessed by the DSM-IV Composite International Diagnostic Interview (CIDI) with an embedded physical
activity module. Multiple logistic regression analyses controlling for
age, gender and educational status were used to determine the
cross-sectional and prospective associations of mental disorders and physical activity.
RESULTS:
Cross-sectionally, regular physical
activity was associated with a decreased prevalence of any and
co-morbid mental disorder, due to lower rates of substance use
disorders, anxiety disorders and dysthymia. Prospectively, subjects with
regular physical
activity had a substantially lower overall incidence of any and
co-morbid mental disorder, and also a lower incidence of anxiety,
somatoform and dysthymic disorder. By contrast, the incidence of bipolar
disorder was increased among those with regular physical activity at baseline. In terms of the population attributable fraction (PAF), the potential for preventive effects of physical activity was considerably higher for men than for women.
CONCLUSIONS:
Regular physical
activity is associated with a substantially reduced risk for some, but
not all, mental disorders and also seems to reduce the degree of
co-morbidity. Further examination
of the evidently complex mechanisms and pathways underlying these
associations might reveal promising new research targets and procedures
for targeted prevention.
- PMID:
- 17579930
- [PubMed - indexed for MEDLINE]
- http://www.ncbi.nlm.nih.gov/pubmed/17579930
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