Table 2B.

Characteristics of Sample 2.

	Controls (n=39)	MDD (n=38)	MDD+LL SA (n=24)	MDD+HL SA (n=17)	p
Age (M, SD)	64.21 (9.31)	60.92 (9.09)	53.96 (15.58)	51.18 (12.75)	<.001
Female (n, %)	26 (66.7%)	19 (50.0%)	14 (58.3%)	7 (41.2%)	.270
Caucasian (n, %)	36 (92.3%)	29 (76.3%)	16 (66.7%)	15 (88.2%)	.053
Education Years (M, SD)	15.90 (2.46)	15.55 (2.58)	14.17 (2.06)	14.88 (2.47)	.041
Income (Median)	$50,000 to $74,999	$25,000 to $34,999	$25,000 to $34,999	$25,000 to $34,999	<.001
Substance Use History (n, %)	N/A	16 (42.1%)	12 (50.0%)	7 (41.2%)	<.001
Any Anxiety History (n, %)	N/A	14 (36.8%)	16 (66.7%)	8 (47.1%)	<.001
MMSE (M, SD)	29.39 (.86)	28.76 (.97)	28.46 (1.38)	28.88 (1.22)	.007
Highest Lethality of SA (M, SD)	N/A	N/A	1.75 (1.11)	6.00 (1.12)	<.001

Notes. MDD = major depressive disorder. SI = suicidal ideation. SA = suicide attempt. LL = low lethality. HL = high lethality. MMSE = Mini Mental Status Exam