Changes in Smoking Rates in the U.S. from 1992 to 2007
Author Information
Author(s): Ahmedin Jemal, Michael Thun, Xue Q. Yu, Anne M. Hartman, Vilma Cokkinides, Melissa M. Center, Hana Ross, Elizabeth M. Ward
Primary Institution: American Cancer Society
Hypothesis
The study examines the association between changes in smoking prevalence and state-specific tobacco control policies in the U.S.
Conclusion
State-level tobacco control policies correlate strongly with reductions in smoking prevalence since 1992.
Supporting Evidence
- Smoking prevalence decreased in all states except Wyoming from 1992-93 to 2006-07.
- The largest percentage reductions in smoking were observed in the West region.
- The decline in smoking prevalence was correlated with state tobacco control policy indices.
Takeaway
The study found that states with stricter tobacco laws had fewer smokers over time, showing that good rules can help people quit smoking.
Methodology
The study analyzed data from the Tobacco Use Supplement to the Current Population Survey across three time points and correlated smoking prevalence changes with tobacco control policy indices.
Potential Biases
Proxy responses were used in a significant percentage of surveys, which may affect the accuracy of smoking prevalence estimates.
Limitations
The study did not account for tobacco industry activities targeting states with strong tobacco control programs, and there may be residual confounding from policies implemented after 1998-99.
Participant Demographics
The study included U.S. adults aged 18 and older.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI not overlapping
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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