Common Data Elements

CDE Long Name Preferred Definition CDE ID
Timeline Followback Method Illicit Substance Crack Cocaine Assessment Yes No Indicator

the yes/no indicator that asks whether the participant had used crack cocaine 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.

3703189

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