Table 1.

Demographics and Clinical Information

Characteristic	Clozapine	Olanzapine	Risperidone	FGA	Two AP	Statistic
N	19	9	9	10	12
Male	N = 14, 74%	N = 9, 100%	N = 7, 78%	N = 5, 50%	N = 9, 75%	(χ2 = 6.31, df = 4, p = 0.18
White	N =12, 63%	N = 6, 67%	N = 4, 44%	N = 7, 70%	N = 6, 50%	(χ2 = 2.05, df = 4, p = 0.73
Single	N = 14, 74%	N = 7, 78%	N = 9, 100%	N = 7 88%	N = 7, 58%	(χ2 = 5.70, df = 4, p = 0.22
Age (years)	45.8 ± 9.7	45.9 ± 13.4	42.2 ± 10.2	49.5 ± 6.6	48.0 ± 11.2	F = 0.69, NDF=4, DDF=54, p = 0.60
Education	12.2 ± 1.8	12.9 ± 1.4	12.7 ± 1.2	11.6 ± 2.6	12.1 ± 3.0	F = 0.49, NDF=4, DDF=52, p = 0.74
Number of cigarettes/day	20.1 ± 11.4	26.0 ± 17.9	20.8 ± 9.9	21.1 ± 12.8	20.4 ± 6.2	F = 0.42, NDF=4, DDF=54, p = 0.79
FTND	5.3 ±1.5	5.7 ± 2.5	5.4 ± 2.3	5.6 ± 2.0	5.4 ± 2.1	F = 0.07, NDF=4, DDF=53, p = 0.99
Age at first cigarette use (years)	16.7 ± 4.7	15.6 ± 5.4	17.0 ± 3.0	16.4 ± 9.7	17.9 ± 4.2	F = 0.22, NDF=4, DDF=53, p = 0.92
Expired CO (ppm)	25.6 ± 13.5	36.9 ± 25.7	32.3 ± 14.6	27.6 ± 16.0	23.4 ± 11.4	F = 1.81, NDF=4, DDF=50, p = 0.14

Note. FGA= first generation antipsychotics

Two AP= two antipsychotics (not including clozapine)

CO = carbon monoxide

FTND = Fagerström Test for Nicotine Dependence