Table 1C.

List of variables to be defined at the provider level

Variable	Definition	Variable assessment period
Unique provider ID (PRVDR_NUM)	Identified by unique provider ID on the depression diagnosis claim	Antidepressant index date3
Facility type/specialty (FAC_TYPE)	Identify the facility type or specialty associated with the index prescription	Antidepressant index date
Healthcare service type (AT_PHYSN_SPCLTY_CD)	For each provider, identify the healthcare service type, for example, primary care physician, specialist, allied health provider, etc	Antidepressant index date
Place of service (SRVC_LOC_NPI_NUM)	For each provider, identify the place of service (eg, office, inpatient hospital, emergency room, etc)	Antidepressant index date
Proportion receiving psychotherapy services	(Total number of depression patients receiving psychotherapy services)/(Total cohort)	Start to end of claims data
Proportion of racial/ethnic minority patients prescribed antidepressant by provider	(Total number of Black, Hispanic, Asian or other racial/ethnic minority participants prescribed antidepressants)/(Total number of antidepressant users)	Start to end of claims data