Common Data Elements

CDE Long Name Preferred Definition CDE ID
Timeline Followback Method Illicit Substance Hallucinogens MDMA/Ecstasy Assessment Yes No Indicator

the yes/no indicator that asks whether the participant had used hallucinogens, including MDMA/ecstasy, LSD, acid, mushrooms, phencyclidine (PCP), rohypnol and Special K as part of the Timeline Followback Method assessment, a calendar-based measure for assessing self-reported retrospective daily estimates of alcohol, tobacco and/or illicit substance use.

3703193

Valid Values

Value Value Meaning Description Display Order
No No

The non-affirmative response to a question.

0
Yes Yes

The affirmative response to a question or activity.

1