Teen Drunkenness Falling in North America, Western Europe

The authors noted that their study relied on self reports, which are imprecise, as was their measure of drunkenness, and so results of the surveys could vary according to respondent interpretation. Also, they wrote, "caution should be exercised in extending these conclusions to periods before or after" the defined 8-year period.

The cohort study was funded by its participating countries. Neither Dr. Kuntsche nor his colleagues reported conflicts of interest.