Validation of secondary data sources for enumerating marijuana dispensaries in a state commercializing marijuana.

ABSTRACT:

Objectives

To assess 1) the validity of online crowdsourcing platforms in enumerating licensed brick-and-mortar marijuana dispensaries and 2) the validity of state licensing directory and online crowdsourcing platforms in enumerating active brick-and-mortar marijuana dispensaries in California.

Methods

We obtained business lists from California Bureau of Cannabis Control (BCC) licensing directory and three online crowdsourcing platforms (Weedmaps, Leafly, and Yelp) in May 2019. Calls were made to verify street address, operation status, dispensary category (recreational-only, medical-only, recreational & medical), and presence of storefronts in May-July 2019. Validity measures, including sensitivity, specificity, positive predictive value, and negative predictive value, were

SUBMITTER: Cao Y 

PROVIDER: S-EPMC7502490 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature