Skip to main content
. Author manuscript; available in PMC: 2018 Sep 2.
Published in final edited form as: Drug Alcohol Depend. 2016 Mar 9;162:92–98. doi: 10.1016/j.drugalcdep.2016.02.043

Fig. 2.

Fig. 2.

Percentages of wave 4 daily, moderate and high NDSI smokers. Percentages of wave 4 (14 years later) moderate and high monthly smoking, as well as percentages of daily smoking, based on smoking categorization at wave 1; data from United States National Longitudinal Study of Adolescent to Adult Health (Add Health), 1994–2008 (1).