Table 1.

Subject demographics and drug-use characteristics. THC use is defined as a one-time session of THC intoxication

	CON (n = 8)	CAN (n = 10)	p
Age	26.4 ± 5.6	25.1 ± 4.6	n.s.
Race	7C, 1AA	6C, 3AA, 1I	n.s.
Ethnicity	8 NHL	10 NHL	n.s.
Education	14.6 ± 1.3	14.0 ± 1.8	n.s.
Recent THC use/wk	N/A	12.7 ± 12
Recent THC use/month	N/A	46.6 ± 42
Years of THC use	N/A	8.8 ± 5
Hours since last THC use	N/A	20.6 ± 8.3
Tobacco users	2	5	n.s.
Caffeine users	5	6	n.s.
Recent EtOH use	2.94 ± 2.0	3.93 ± 3.7	n.s.
Premorbid IQ	112.3 ± 6.9	110.2 ± 4.4	n.s.
Prior Drug Use: (lifetime drug use sessions)
THC	36.1 ± 71.7	2571.4 ± 2490.5	0.01
Sedatives	0	0.65 ± 1.7	n.s.
MDMA	0	1.20 ± 3.1	n.s.
Stimulants	0	0.20 ± 0.4	n.s.
Cocaine	0.63 ± 1.8	4.20 ± 6.3	n.s.
Opiates	0	0.10 ± 0.3	n.s.
Hallucinogens	1.31 ± 2.7	1.20 ± 1.6	n.s.

Data are mean ± s.d.

CON: healthy controls; CAN: currently using chronic cannabis users; C: Caucasian; AA: African American; I: Asian-Indian American; NHL: Non-Hispanic Latino: N/A: not applicable. Recent EtOH use is average drinks per week in the past month.