Table 1.

Basic characteristics of the study subjects and comparison between suicide attempters (N = 121) vs. non-attempters (N = 262)

	Suicide attempters^a (N = 121)		Non-attempters (N = 262)		Total (N = 383)		P^b
	Mean	SD	Mean	SD	Mean	SD	P^b
Age	33.3	10.4	35.6	11	34.9	11	0.065

	N	%	N	%	N	%	P^b
Sex, female	84	69.4	165	63	249	65	0.265
Diagnosis, bipolar II disorder	65	53.7	93	35.5	158	41	0.001
Study center, SNUBH	60	49.6	111	42.4	171	45	0.226

^aSuicide attempters include single attempters (N = 64) and multiple attempters (N = 52)

^bDifference was tested between suicide attempters and non-attempters using the t-test or chi-squared test