Crown, William; Berndt, Ernst; Baser, Onur; … - In: Forum for Health Economics & Policy 7 (2004) 1, pp. 1053-1053
The ratio of controller-to-reliever medication use has been proposed as a measure of treatment quality for asthma patients. In this study we examine the effects of plan-level mean out-of-pocket asthma medication patient copayments and other features of benefit plan design on the use of...