Any Cigarette Use Among Students in the Past 30 Days, by Grade, 1991–2007
Percent of students:
- For 12th grade increased from approximately 29 in 1991 to 37 in 1997, then decreased to 21.6 in 2007.
- For 10th grade increased from approximately 21 in 1991 to 30 in 1996, then decreased to 14.0 in 2007.
- For 8th grade increased from approximately 12 in 1991 to 21 in 1996, then decreased to 7.1 in 2007.
Source: National Insitutes of Health, National Institute on Drug Abuse, Monitoring
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