Table 1

Factors previously identified as associated with medication adherence in people with diabetes categorised by the five dimensions affecting adherence as defined by WHO11

DimensionFactors associated with reduced adherence
Patient-relatedYounger age,5 26–28 female gender,5 26 27 smoking,5 impulsivity,29 ethnic minority groups27 30 31
SocioeconomicLower socioeconomic status,28 32 lack of financial resources/increased medication costs,26 33 34 lower education level,27 35 lack of family support36
Condition-relatedPresence of depression,37 or other chronic diseases,38–40 shorter duration of diabetes,24 fewer diabetes complications28
Health systemHealthcare centre/clinic,41 increased distance to nearest pharmacy,42 lower continuity of care43
Therapy-relatedConcurrent medication use,25 38 44 45 adverse effects,46 47 poor previous experience with medication42