Table 1. Demographic Characteristics of Study Participants.

	Males (N=15)	Females (N=15)
Age (years old)	27±5	27±7
Race (B/W/M)	10/4/1	10/2/3
Marijuana use
Years regular use	8.0±5.3	9.1±6.3
Days per week	6.6±0.9	6.1±1.4
Dollars per week	70.0±59.8	41.1±20.0
MJ cigarettes per day	6.0±4.3	8.0±8.4

Note: Data are presented as means (± SD) or as frequency.

Race is indicated as Black (B), White (W), and Mixed (M).