Cody 1998.

Methods	Randomised trial (by patient) Similar control site: NOT CLEAR
Participants	Community pharmacies of the Kaiser Permanente (number per group unclear) Patients: 6000 Pharmacies: 9 USA Year of study: January 1993 to February 1995.
Interventions	Comparison of 3 models Control model: usual care before 1992 in California California state model (1992) which requires outpatient pharmacist to counsel all patients who receive new or changed prescription about directions for use, the importance of compliance, proper storage, and relevant precautions and warnings Kaiser Permanente (KP) model that focuses on a more comprehensive pharmacist consultation and other elements of pharmaceutical care on selected high‐risk patients Duration: 23 months
Outcomes	Quality of life (SF‐36)
Notes	Funding source: Kaiser Permanente Medical Care Program Conflict of interest: Not stated
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Quote: "random assignment study"
Allocation concealment (selection bias)	Unclear risk	Not explicitly described; appears to have been performed by a central randomised scheme/computer system
Blinding of participants and personnel (performance bias) All Outcomes/Outcome 1	Unclear risk	Large complex intervention with non‐blinded personnel
Blinding of outcome assessment (detection bias) All Outcomes/Outcome 1	High risk	Mailed survey, assessor is participant: A non‐blinded study with subjective outcome ‐ HRQoL
Incomplete outcome data (attrition bias) All outcomes	High risk	Overall attrition rate > 50%.
Selective reporting (reporting bias)	Low risk	Few outcomes, all reported
Other bias	Low risk	None