Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Changes in Current Smoking Prevalence Among US Students Before and After the Launch of the “truth” Campaign in 2000: 1997–2002
| Prevalence of Current Smoking, % | Average Annual Percentage Change (95% Confidence Interval) | ||||
| Grade | 1997 | 2002 | Change | 1997–1999 | 2000–2002 |
| All | 28.0 | 18.0 | −35.7 | −3.2 (−3.8, −2.6) | −6.8 (−7.5, −6.1) |
| 8th | 19.4 | 10.7 | −44.8 | −3.4 (−4.6, −2.1) | −9.0 (−10.4, −7.6) |
| 10th | 29.8 | 17.7 | −40.6 | −4.6 (−5.6, −3.6) | −8.7 (−9.8, −7.5) |
| 12th | 36.5 | 26.7 | −26.8 | −1.8 (−2.7, −1.0) | −5.1 (−6.1, −3.9) |
