Table 1.

Patient characteristics at baseline for smokers and nonsmokers^a

	Nonsmokers at baseline (n = 85)	Smokers at baseline (n = 31)	Overall sample (n = 116)
Gender (female), %	61	58	60
Age, mean (SD)b	46.7 (13.5)	37.3 (10.8)	45.0 (13.1)
Race, %
Non-Caucasian	5	6	5
Caucasian	95	94	95
Clinical status, %
Recovered/recovering	72	65	70
Any other clinical status	28	35	30
Lifetime substance abuse disorder, %c	33	61	41
At least one lifetime anxiety disorder, %	63	83	68
Age of first episode (years), mean (SD)c	18.4 (9.4)	14.4 (4.6)	17.2 (8.5)
SBQ total suicidality score, mean (SD)b	17.1 (20.0)	28.9 (21.1)	20.4 (20.9)
BIS total, mean (SD)	65.6 (11.8)	70.5 (13.8)	66.9 (12.4)

^aN’s vary somewhat due to missing data.

^bp < 0.01.

^cp < 0.05.

SBQ = Suicide Behaviors Questionnaire; BIS = Barratt Impulsiveness Scale.