Figure 1.

Forest plot of estimates of absolute change in the prevalence of adult smokers two years after the introduction of plain packaging (holding other factors constant). [Prevalence rates provided to experts were: Britain: 21%; Australia: 18%; Canada: 17.5%].

Pechey et al. BMC Public Health 2013 13:18   doi:10.1186/1471-2458-13-18
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