Table 1.

Review search terms and databases reviewed

Database	Search terms
PubMed	(Medication compliance OR medication taking behaviour OR medication adherence) AND (health beliefs OR religious beliefs OR common sense model OR self-efficacy OR illness perception OR health literacy OR (“Health Knowledge, Attitudes, Practice”[Mesh]) OR (“Culture”[Mesh])) AND (asthma OR diabetes mellitus OR chronic obstructive pulmonary disease OR hypertension) Limiters – published date: 01/03/2006–01/01/2019; journal articles
CINAHL with full text	Chronic obstructive pulmonary disease OR diabetes mellitus OR asthma OR hypertension AND medication adherence OR medication compliance OR medication persistence OR drug adherence OR drug compliance AND health beliefs OR illness perception OR patient beliefs OR cultural beliefs OR common sense model OR acculturation OR health knowledge OR health literacy OR self-efficacy OR religious beliefs Limiters – published date: 01/03/2006–01/01/2019
Embase	(“chronic obstructive pulmonary disease” OR “diabetes mellitus” OR asthma OR hypertension) AND (“medication adherence” OR “medication compliance” OR “medication persistence” OR “drug adherence” OR “drug compliance”) AND (“health beliefs” OR “illness perception” OR “patient beliefs” OR “cultural beliefs” OR “common sense model” OR acculturation OR “health knowledge” OR “health literacy” OR “self-efficacy” OR “religious beliefs”) Limiters – published date: 2006–2019
PsychINFO	Chronic obstructive pulmonary disease OR diabetes mellitus OR asthma OR hypertension AND medication adherence OR medication compliance OR medication persistence OR drug adherence OR drug compliance AND health beliefs OR illness perception OR patient beliefs OR cultural beliefs OR common sense model OR acculturation OR health knowledge OR health literacy OR self-efficacy OR religious beliefs Limiters – Peer reviewed; published date: 01/03/2006–01/01/2019