Table 1. Demographic and Clinical Rating Data.

Variables	Non-patient comparison	Depressed non-attempters	Past attempters	Future attempters	p-valuea	Contrastb
n	15	19	19	7	—
Age (years)	48.5±16.6	43.8±12.4	37.9±12.2	32.9±9.9	0.04	FA, PA<C
Education (years)	16.9±2.5	16.4±2.1	16.2±2.8	15.4±2.6	0.63
WAIS-III vocabulary (scaled score)	13.9±2.4	13.4±2.7	12.3±2.3	13.6±2.9	0.25
Hamilton RSD (24-item)	1.5±2.0	23.5±10.8	24.2±9.9	27.1±13.4	<0.001	FA, PA, N>C
Beck Depression Inventory	2.1±3.0	24.6±9.0	28.3±10.7	35.1±9.9	<0.001	FA, PA, N>C FA>N
Global assessment of functioning (GAF)	90.6±6.5	50.4±11.4	43.3±11.3	37.8±7.2	<0.001	FA, PA<N<C
Global assessment of functioning (GAF) without suicide item	90.6±6.5	50.2±11.7	46.3±11.0	38.7±7.1	<0.001	FA, PA, N<C FA<N
Beck Hopelessness Scale	2.1±1.8	13.2±4.1	11.8±5.8	13.3±4.1	<0.001	FA, PA, N<C
Scale for suicide ideation (prior to hospitalization)	0.0±0.0	10.4±9.2	15.3±10.1	17.0±12.0	<0.001	FA, PA, N<C
Scale for suicide ideation (current)	0.0±0.0	6.6±7.1	6.8±7.2	13.6±11.7	<0.001	FA>PA, N>C
Barratt Impulsiveness Scale	35.0±11.0	57.5±15.0	51.9±18.6	46.2±16.1	0.001	N, PA>C
Buss–Durkee Hostility Inventory	18.9±10.3	37.1±12.3	32.5±12.3	42.0±6.2	<0.001	FA, PA, N>C
Brown–Goodwin Aggression History	14.0±3.4	19.0±6.1	18.7±5.3	19.0±3.6	0.020	FA, PA, N>C
Number of previous suicide attempts	—	—	2.2±1.3	3.9±3.7	0.10
Lethality of most recent attempt	—	—	3.3±2.3	2.7±5.5	0.70
Maximum lethality of attempt	—	—	4.7±2.3	3.3±5.2	0.51
Suicide intent scale, most recent attempt	—	—	15.6±6.0	16.7±7.2	0.71
Suicide intent scale, most lethal attempt	—	—	16.2±5.4	17.2±6.9	0.72
Sex (% female)	35.7	47.4	52.6	57.1	0.74
Axis I diagnosis (% unipolar)	—	84.2	68.4	71.4%	0.51
Axis II diagnosis (% borderline PD)	—	21.1	31.6	28.6%	0.56
Past substance abuse/dependence	—	55.6	42.1	33.3%	0.56
Post-traumatic stress disorder (lifetime)	—	5.3	10.5	16.7%	0.80

^aOmnibus ANOVA for continuous variables and χ² for categorical variables.

^bTukey LSD post hoc test for continuous variables.