Sex (number M/F) (17, 8)
Age (mean and sem) 27.4 (4.2)
BMI (mean and sem) 23.1 (2.8)
Years in Education (mean and sem) 16.1 (1.7)
Ethnicity (percent of sample) Caucasian/White 58%
African American 13%
Asian 17%
Other/More than one 13%
Recent Drug Use (last 30 days)
Alcohol (drinks/week) 6.3 (5.0) [N=23]
Alcohol (drinks/occasion) 2.7 (1.5) [N=23]
Alcohol (occasions/week) 2.0 (1.6) [N=23]
Caffeine (cups/day) 1.4 (1.0) [N=20]
Cannabis (uses/30 days) 6.5 (7.9) [N=19]
Lifetime MDMA (uses) 7.1(10.1) [N=25]
Note. Drug use data are represented as Mean (SEM) of uses only for the participants who reported ever using the drug [N]. Note. Drug use data are represented as Mean (SEM) of uses only for the participants who reported ever using the drug [N]. Note. Drug use data are represented as Mean (SEM) of uses only for the participants who reported ever using the drug [N].