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Percentage of smokers intending to smoke less or quit smoking given a hypothetical tobacco retail price increase by smoking intensity in Songjiang, Shanghai, China.
Tobacco retail price increase = values of formulas ((B−A)/A) and ((C−A)/A), where A = current tobacco price per pack, B = estimated tobacco price that would persuade smokers to smoke less, and C = estimated tobacco price that would persuade smokers to stop smoking.
