Piecewise longitudinal GEE model of smoking status overall and after Tobacco 21 imple- mentation.

Piecewise longitudinal GEE model of smoking status overall and after Tobacco 21 imple- mentation.

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Decreasing smoking initiation remains a public health priority. In 2016, California, in the United States, enacted the Tobacco 21 law, which raised the minimum age for the purchase of tobacco products from age 18 to age 21. This paper evaluates whether the enactment and implementation of the Tobacco 21 law changed how young adults perceive the risk...

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Context 1
... piecewise GEE model of smoking status is shown in Table 2. The time term was not significant, indicating that smoking status was stable prior to implementation. ...