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population but represent more than 28% of all adult current smokers in the country

In the final model, we included a spline on age, random slope on age by study and the bias covariate encoding exposure definition (that is, current, former and ever smokers), which was picked by the variable selection algorithm 28,29

It can also improve your overall health and quality of life

In 1992, an estimated 98,138 women in this age group reported smoking

Surgeon Generals 1964 report linking smoking to lung cancer

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