“…The PAM intervention was based on a theoretical framework that distinguishes between intentional non-adherence (INA) and non-intentional non-adherence (NINA) 19 , mapped onto theoretical determinants of adherence; namely, beliefs and attitudes about medication taking, self-efficacy and social norms 20 . The intervention was informed by evidence from our qualitative studies 20 , 21 , systematic reviews 15 , 22 , a previous medication adherence trial 14 , a pilot study 23 , stakeholders’ consultations and Patients and Public Involvement and Engagement 18 , 20 .…”