Since the study would be measuring largely short term cessation, potentially subject to high relapse rates, an observed rate of 7% was expected in the control condition, based on previous UK cessation rates of about 2.5% lifetime quitters per annum.
Since the study would be measuring largelyshort term cessation, potentially subject to highrelapse rates, an observed rate of 7% wasexpected in the control condition, based onprevious UK cessation rates of about 2.5%lifetime quitters per annum.