Seasonality and Sleep: A Clinical Study on Euthymic Mood Disorder Patients

Table 1

Demographic and clinical characteristics of the sample.

Tot. 𝑛=113	Unipolar	Bipolar
	𝑁=46	𝑁=67
	mean ± SD	mean ± SD
Age	54.98±11.88	51.32±13.20
Education years	11.83±4.24	12.05±4.31
Age of onset	34.00±14.44	31.72±13.47
Duration of Illness (years)	20.98±12.88	18.98±12.15
Total no. of episodes	5.39±4.86	8.36±7.91
Depressive episodes	5.21±4.35	5.20±5.32
Manic episodes	/	4.63±12.45
Duration of euthymia (months)	29.93±37.19	30.57±35.60
Duration of maintenance Therapy (months)	40.36±50.91	54.51±48.84