Timeline Follow Back (TLFB)

The Timeline Follow Back is a calendar that allows a clinician to get an estimate of an individual’s daily drinking habits over a given time period.


TLFB overview

Sample TLFB

TLFB Alcohol interviewer instructions

TLFB Alcohol instructions

Alcohol recall aids

Standard drink conversion chart

Quick drinking screen (QDS)

TLFB Drug, Cigarette, and Marijuana interviewer instructions

TLFB Marijuana instructions

TLFB Drug instructions

TLFB Drug overview


Sobell, L. C., & Sobell, M. B. (1992). Timeline follow-back. In Measuring alcohol consumption (pp. 41-72). Humana Press, Totowa, NJ.

Sobell, L. C., Agrawal, S., Sobell, M. B., Leo, G. I., Young, L. J., Cunningham, J. A., & Simco, E. R. (2003). Comparison of a quick drinking screen with the timeline followback for individuals with alcohol problems. Journal of studies on alcohol, 64(6), 858-861.

Roy, M., Dum, M., Sobell, L. C., Sobell, M. B., Simco, E. R., Manor, H., & Palmerio, R. (2008). Comparison of the quick drinking screen and the alcohol timeline followback with outpatient alcohol abusers. Substance use & misuse, 43(14), 2116-2123.

Robinson, S. M., Sobell, L. C., Sobell, M. B., & Leo, G. I. (2014). Reliability of the Timeline Followback for cocaine, cannabis, and cigarette use. Psychology of addictive behaviors, 28(1), 154.