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Evidence Base This factsheet was developed following expert review by researchers at the Matilda Centre for Research in Mental Health and Substance Use at the University of Sydney, the National Drug & Alcohol Research Centre at the University of New South Wales, and the National Drug Research Institute at Curtin University

A meta-analysis of these two studies, including missing data on smokers and using a random-effects MH test, produced an identical relative risk of quitting as that reported in the Hartmann-Boyce and colleagues (2016) review (RR = 2.29

JAMA Pediatrics 171 , 788797 (2017)

Journal of the National Cancer Institute 2012;104(4):2908

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