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Mortality rates (per 1,000 person-years), rate ratios, and excess deaths from lung cancer and cardiovascular disease by smoking status, Doll and Hill physician cohort study, Great Britain, 1951-1961 Attributable risk percent Mortality rate per 1,000 person-years Non-smokers 0.07 7.32 Excess deaths per 1,000 person-years among Smokers 1.37 9.51 All 0.99 8.87 Rate ratio smokers Lung cancer 19.6 95% 23% Cardiovascular disease 2.19 In calculating the attributable risk percent, the excess lung cancer deaths attributable to smoking is expressed as a percentage of all lung cancer mortality among all smokers

Smoking in Hong Kong [edit] Smoking in certain public places in the Hong Kong Special Administrative Region has been banned from 1 January 2007 under the government's revised Smoking (Public Health) Ordinance (Cap

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