The A14-scale: development and evaluation of a questionnaire for assessment of adherence and individual barriers

@article{Jank2009TheAD,
  title={The A14-scale: development and evaluation of a questionnaire for assessment of adherence and individual barriers},
  author={Susanne Jank and Thilo Bertsche and Dieter Schellberg and Wolfgang Herzog and Walter E. Haefeli},
  journal={Pharmacy World & Science},
  year={2009},
  volume={31},
  pages={426-431}
}
Objective To develop a questionnaire (“A14”) for the description of adherence and individual barriers as basis for adherence-enhancing interventions in the clinical and pharmaceutical setting, and to compare it to the validated German MMAS (Morisky Medication Adherence Scale). Method Fourteen questions with a 5-item likert-scale from “never” (4) to “very often” (0) were given to 150 medical inpatients. According to their score, patients were classified into non-adherent (score <50) or adherent… CONTINUE READING