Seasonal variation in symptoms of depression: A Canadian population based study.


Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3280 Hospital Drive NW Calgary, Alberta T2N 4Z6, Canada; Cuthbertson & Fischer Chair in Pediatric Mental Health, University of Calgary, Canada. Electronic address: [Email]


There is no consensus as to whether depressive symptoms vary by season. Using data from the Canadian Community Health Survey (CCHS), the purpose of this study was to evaluate seasonal variation in depressive symptoms in the Canadian household population.


Epidemiology,Major depressive disorder,Seasonal,Seasonal affective disorder,Winter depression,