Table 1.

Basic characteristics of 88 cases who were admitted to a psychiatric department with an acute mood episode: gender distribution, age and 24-h activity count

Diagnosis	Number of Females: Males	Median (Inter-Quartile Range)
		Age in years	Activity count per minute (24 h)a
Unipolar Depression	26:26	40 (30, 52)	95 (74, 132)
Bipolar Depression	7:5	35 (27, 56)	113 (80, 175)
Mania	11:7	50 (42, 67)	140 (111, 193)
Mixed States	3:3	41 (28, 57)	102 (83, 191)
Chi-squaredb	.82	5.32	7.17
Significance (df = 3)	.845	.150	.067

^aThe activity count is calculated per minute from the full 24-h recording

^bPearson chi-squared test used for analysis of gender distribution; Kruskal-Wallis test used for analysis of age and activity counts