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Original Research
A cross-sectional study of factors affecting seasonality in bipolar disorder
Submitted: 02 September 2013 | Published: 30 July 2014
About the author(s)
Pankaj Kumar Mittal, Department of Psychiatry, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India, IndiaShubham Mehta, Department of Psychiatry, Sawai Man Singh Medical College, Jaipur, Rajasthan, India, India
Ram Kumar Solanki, Department of Psychiatry, Dr Sampurnanand Medical College, Jodhpur, Rajasthan, India, India
Mukesh Kumar Swami, Department of Psychiatry, BPS Government Medical College for Women, Sonepat, Haryana, India, India
Parth Singh Meena, Department of Psychiatry, Sawai Man Singh Medical College, Jaipur, Rajasthan, India, India
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Background. Researchers have evinced interest in the effect of seasonal variations on mood and behavioural patterns in affective disorders.
Objective. To study seasonality in bipolar disorder (BD) patients and also the factors affecting this seasonality.
Method. Forty-nine patients with BD in euthymic phase were recruited and analysed using the Seasonal Pattern Assessment Questionnaire and Morningness-Eveningness Questionnaire.
Results. Most of the patients were morning types but chronotype had no influence on seasonality. Age of patient and number of episodes were the most important factors affecting seasonality in BD.
Conclusion. Seasonality and its influencing factors must be considered while managing bipolar disorder.
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Crossref Citations
1. The relationship between chronotype and depressive symptoms: A meta-analysis
Jacky Au, John Reece
Journal of Affective Disorders vol: 218 first page: 93 year: 2017
doi: 10.1016/j.jad.2017.04.021