Sidel 1990.

Methods	Randomised trial
Participants	284 elderly patients (intervention 141; control 143) who were Medicare recipients living in the study area 1 pharmacist Norwood, New York City, USA Year of study: Not stated.
Interventions	Patient‐specific packet containing information on prescription and medication, home‐visit explained this packet, could contact physicians if wanted, counselled patient about drug use, encouraged adherence and checked for out‐of‐date medicine. At least 2 visits by pharmacist across 6 x 1‐month periods, with additional phone contact as necessary.
Outcomes	Total Ambulatory Care visits past 3 months (change scores) at 36 months
Notes	Funding source: National Institute on Aging (P01AG03424 and R0 lAG08125) Conflict of interest: Not stated
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Assigned by randomised tables
Allocation concealment (selection bias)	Low risk	Separate people enrolled and randomised participants.
Blinding of participants and personnel (performance bias) All Outcomes/Outcome 1	Unclear risk	Little information about blinding or probable consequences
Blinding of outcome assessment (detection bias) All Outcomes/Outcome 1	Unclear risk	Little information about blinding or probable consequences
Incomplete outcome data (attrition bias) All outcomes	High risk	Between group attrition < 10% however, overall high attrition >20%
Selective reporting (reporting bias)	Low risk	All outcomes reported
Other bias	Low risk	None identified