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The effects of behavioral-oriented counseling on smoking cessation was studied in hospitalized patients. 2024 smokers from four hospitals were randomly assigned to 3 groups: usual

The effects of behavioral-oriented counseling on smoking cessation was studied in hospitalized patients. 2024 smokers from four hospitals were randomly assigned to 3 groups: usual care, minimal intervention, and intensive intervention. They were then followed for 1 year. The outcome measures was smoking cessation after one year.

This study uses simple randomization…how would you redesign it to use stratified randomization?

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