Adherence measurement and patient recruitment methods are poor in intervention trials to improve patient adherence

OBJECTIVES: To develop a scale and survey the measurement of patient adherence and patient recruitment, and to explore how these methods impact the results in randomized controlled trials of interventions to improve patient adherence to medications. STUDY DESIGN: Analytic survey of a purposively selected sample of patient adherence intervention trials from a systematic review, assessing the quality of adherence measurement and patient …