Practical Barriers to Medication Adherence: What Do Current Self- or Observer-Reported Instruments Assess?

Introduction: Practical adherence barriers (e.g. medication frequency) are generally more amenable to intervention than perceptual barriers (e.g. beliefs). Measures which assess adherence barriers exist, however these tend to measure a mix of factors. There is a need to identify what practical barriers are captured by current measures. Aim: To identify and synthesise the practical adherence barriers which are assessed by currently available...