Table 1.

List of databases included in the study

Database name	Acronym	Country	Data type	Population size	Socioeconomic status	Drug prescription or dispensing available	Hospital treatments (inpatient visits)	Outpatient treatments
IBM MarketScan Commercial Claims and Encounters Database	CCAE	USA	Claims	160M	All	Dispensing	Yes	Yes
IBM MarketScan Multi-State Medicaid Database	Medicaid	USA	Claims	33M	Low	Dispensing	Yes	Yes
IBM MarketScan Medicare Supplemental Database	Medicare	USA	Claims	10M	All	Dispensing	Yes	Yes
Estonian Health Insurance Fund	EHIF	Estonia	Claims	1.4M	All	Dispensing	No	Yes
Clinical Practice Research Datalink	CPRD	UK	EHR, GP	15M	All	Prescription	No	Yes—primary care
Information System for Research in Primary Care	SIDIAP	Spain	EHR, GP	5.8M	All	Prescription	No	Yes—primary care
Integrated Primary Care Information	IPCI	The Netherlands	EHR, GP	2.5M	All	Prescription	No	Yes—primary care
Ajou University School of Medicine	AUSOM	South Korea	EHR, Hospital	3.3M	All	Prescription	Yes	Yes