. Author manuscript; available in PMC: 2014 Mar 1.

Published in final edited form as: Psychopharmacology (Berl). 2012 Nov 24;226(2):401–413. doi: 10.1007/s00213-012-2915-6

Table 1.

Demographics

	Cannabis frequent smokers (n=10)	Cannabis infrequent/nonsmokers (n=34)	p	Total (n=44) mean±SD
Male (%)	6 (60%)	27 (79%)	0.24	33 (75%)
Age	20.7±1.4	23.1±3.6	0.05	23.2±3.6
Education	14.6±1.3	15.2±1.8	0.33	15.4±2.1
Race			0.17
White	10 (100%)	23 (70%)		33 (76%)
Black	0	6 (15%)		6 (12%)
Other	0	5 (15%)		5 (15%)
BMI	24.5±2.8	25.5±4.9	0.54	25.5±4.4
IQ (NART)	115±7	117±6	0.38	117±6
Cigarette smoker?	3 (30%)	1 (3%)	0.06	4 (10%)
Right-handed (%)	10 (100%)	32 (94%)	1.00	42 (95%)

BMI=body mass index; IQ=Intelligence Quotient; NART=National Adult Reading Test