Table 1.

Demographics by group status.

	Cannabis users (n = 79)	Controls (n = 80)
Age	23.4 (3.4) [18–30]	22.9 (2.6) [18–29]
Premorbid intelligence Reading standardized score	53.1 (9.7) [31–74]	54.1 (8.9) [30–72]
Gender (% female)	46.8%	43.8%
% Caucasian	64.6%	52.5%
Beck depression inventory (BDI-II) total-2	7.1 (9.3)* [0–53]	3.9 (4.4)* [0–19]
Past month cannabis use Total grams	57.9 (54.3)** [0–217.5]	0 (0)** [0]
Past month total cigarettes Total number	6.9 (22.1)** [0–121]	0.24 (1.4)** [0–12]
Past month alcohol use Total standard drinks	22.3 (28.4)** [0–137]	7.1 (10.9)** [0–62.5]

^*p < 0.05 and

^**p < 0.01.