Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adherence to medication
RCT	180 people aged 20 to 80 years with elevated diastolic blood pressure >90 mmHg on at least 1 visit in the 2 years prior to the study; recruited from people receiving care at a community hospital-based family medicine practice	People taking >80% of pills (self-reported) at 3 months 56% with special packaging 54% with traditional (usual) pill vials Absolute numbers not reported	Reported as not significant P value not reported		Not significant
RCT	180 people aged 20 to 80 years with elevated diastolic blood pressure >90 mmHg on at least 1 visit in the 2 years prior to the study; recruited from people receiving care at a community hospital-based family medicine practice	People taking >80% of pills (measured by pill count) at 3 months 84% with special packaging 75% with traditional (usual) pill vials Absolute numbers not reported	Reported as not significant P value not reported		Not significant
RCT	85 people 65 years of age or older with hypertension in the US	Prescription refill regularity 12 months 80% with daily dose blister packaging 66% with traditional pill bottles Absolute numbers not reported	P = 0.012	Effect size not calculated	daily dose blister packaging
RCT	85 people 65 years of age or older with hypertension in the US	Medication possession ratio 12 months 0.93 with daily dose blister packaging 0.87 with traditional pill bottles Absolute numbers not reported	P = 0.039	Effect size not calculated	daily dose blister packaging