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. 2016 Jan 28;26(1):105–108. doi: 10.1136/tobaccocontrol-2015-052400

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This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/

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Fitted generalised additive model (GAM) for any smoking in a movie using logistic link and binomial distribution. Trends pre and post 1999 fit independently of each other. Dashed lines represent pointwise 95% CIs.