Table 1

Prevalence of smoking in past 30 days among young adults in major national studies

Data source199119931995199719992000
Harvard College Alcohol Survey22.3%28.5%27.8%
National College Health Risk Behavior Survey29.0%
Monitoring the Future: college students 1–4 years past high school23.2%24.5%26.8%28.3%30.6%28.2%
Monitoring the Future:
    All adults ages 19–2027.6%29.0%33.4%34.0%33.9%32.2%
    All adults ages 21–2228.3%29.2%31.8%32.3%33.7%33.6%
    All adults ages 23–2428.5%28.1%28.0%29.1%30.9%29.5%
National Health Interview Survey—all adults ages 18–2422.9%25.8%24.8%28.7%27.9%26.8%