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Related Experiment Videos

Examining trends in quantity smoked.

David T Levy1, Elizabeth A Mumford, Daniel A Gerlowski

  • 1Pacific Institute for Research and Evaluation, Calverton, MD, 20705-3102, USA. levy@pire.org

Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco
|December 7, 2007
PubMed
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This study introduces a new measure to track cigarette quantity smoked, finding that policies like price increases and tobacco control programs significantly reduced consumption trends, especially after 1990.

Area of Science:

  • Public Health
  • Tobacco Control Research
  • Health Economics

Background:

  • Cigarette quantity smoked impacts health risks and cessation, but trends and policy influences are understudied.
  • Existing measures may not fully capture nuanced changes in smoking quantity over time.

Purpose of the Study:

  • To develop and validate a new measure for tracking trends in cigarette quantity smoked.
  • To analyze the impact of policies on smoking quantity trends at national and state levels.

Main Methods:

  • Derived a novel quantity smoked measure from U.S. Department of Agriculture per-capita cigarette consumption (PCC) and smoking prevalence data.
  • Validated the new measure against the National Health Interview Survey (NHIS) mean cigarettes per day.
  • Employed regression analysis to differentiate policy-driven trends (price, taxes, tobacco programs) from secular trends from 1974-2004.

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Main Results:

  • The new measure correlated well with the NHIS survey data.
  • Price increases explained quantity reductions through 1990; post-1990, price effects persisted alongside a new downward trend.
  • Comprehensive tobacco programs, alongside price and tax changes, explained quantity trends in California and Massachusetts.

Conclusions:

  • The developed measure is a valuable tool for monitoring smoking quantity trends.
  • Sustained policy implementation is crucial for continued reductions in quantity smoked.
  • Reductions in quantity smoked are linked to cessation and may eventually impact health outcomes.