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Cigarette smoking and psychotic symptoms in bipolar affective disorder

Corvin, A., O'Mahony, E., O'Regan, M., Comerford, C., O'Connell, R., Craddock, Nicholas John and Gill, M. 2001. Cigarette smoking and psychotic symptoms in bipolar affective disorder. British Journal of Psychiatry 179 (1) , pp. 35-38. 10.1192/bjp.179.1.35

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Background: An association exists between smoking and schizophrenia, independent of other factors and related to psychotic symptomatology. Aims: To determine whether smoking is associated with psychosis in bipolar affective disorder. Method: Smoking data were collected from 92 unrelated patients with bipolar affective disorder. An ordinal logistic regression analysis tested the relationship between smoking severity and psychotic symptomatology, allowing for potential confounders. Results: A significant relationship was detected between smoking/heavy smoking and history of psychosis (68.7%, n=44). Smoking was less prevalent in patients who were less symptomatic (56.5%, n=13) than in patients with a more severe psychosis (75.7, n=31). Prevalence and severity of smoking predicted severity of psychotic symptoms (P=0.001), a relationship independent of other variables (P=0.0272). Conclusion: A link between smoking and psychosis exists in bipolar affective disorder and may be independent of categorical diagnosis.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Subjects: R Medicine > R Medicine (General)
Publisher: Royal College of Psychiatrists
ISSN: 0007-1250
Last Modified: 04 Jun 2017 06:34

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