Influence of Season and Latitude in a Community Sample of Subjects with Bipolar Disorder-Reference-Cited by-同舟云学术

Influence of Season and Latitude in a Community Sample of Subjects with Bipolar Disorder

Published:2003-05 Issue:4 Volume:48 Page:277-280
ISSN:0706-7437
Container-title:The Canadian Journal of Psychiatry
language:en
Short-container-title:Can J Psychiatry

Author:

Schaffer Ayal¹,Levitt Anthony J²,Boyle Michael³

Affiliation:

1. Assistant Professor, Department of Psychiatry, University of Toronto, Toronto, Ontario; Deputy Head, Mood Disorders Program, Sunnybrook and Women's College Health Sciences Centre, Toronto, Ontario

2. Associate Professor, Department of Psychiatry, University of Toronto, Toronto, Ontario; Psychiatrist-in-Chief, Sunnybrook and Women's College Health Sciences Centre, Toronto, Ontario

3. Professor, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario

Abstract

Objective: To report on the prevalence of seasonal bipolar disorder (BD) and the impact of latitude in a community sample in the province of Ontario. Method: This study used the telephone-administered Depression and Seasonality Interview. Exact latitude was determined for each participant. Results: Overall, 14 of 62 (22.6%) subjects with BD had the seasonal subtype of BD. Latitude did not appear to influence the proportion of subjects with the seasonal subtype. Conclusions: We identified a seasonal pattern of illness in a proportion of subjects with BD.

Publisher

SAGE Publications

Subject

Psychiatry and Mental health

Link

http://journals.sagepub.com/doi/pdf/10.1177/070674370304800413

Reference19 articles.

1. Seasonal Variation in the Incidence of Mania

2. Psychiatric Disorder, Hospital Admission, and Season

3. Seasonality of Mania in New Zealand

4. Mania and seasonality in the southern hemisphere

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