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The performance of different propensityscore methods for estimating differences in proportions (risk differences or absolute risk reductions) in observational studies

A New York Times article from December 1888 noted that cigarette manufacturers frequently offered premiums that enticed boys to excessive cigarette smoking. A tobacco dealer from the era said that any Saturday afternoon a crowd of children with vouchers would besiege tobacco shops, clamoring for the reward of self-inflicted injury. Duke also used celebrity endorsements from famous ballplayers such as Christy Mathewson and Ty Cobb for his various brands of tobacco products

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Between 1965 and 2004, tobacco use in the U.S