Table 2.

Baseline characteristics by cluster identified by the BNP method.

	Cluster 1 N = 160		Cluster 2 N = 127		Cluster 3 N = 70
Variable	Mean or N	SD or %	Mean or N	SD or %	Mean or N	SD or %	p-value
Age	44.91	11.09	46.33	10.00	47.10	9.28	0.276
Male	99	62.66	81	63.78	34	48.57	0.080
Race
AA *	67	41.88	58	45.67	43	61.43	0.055
White	87	54.38	64	50.39	23	32.86
Other	6	3.75	5	3.94	4	5.71
FTND $	4.80	1.99	4.96	2.16	3.88	1.90	0.001
CES-D #	9.60	8.18	10.16	7.96	10.06	7.68	0.831

^*African American;

^$Fagerstrom Test for Nicotine Dependence;

^#Depression (Center for Epidemiologic Studies Depression Scale)