Facebook Recruitment Using Zip Codes to Improve Diversity in Health Research: Longitudinal Observational Study - PubMed
ClinicalTrial.gov NCT02823028; https://clinicaltrials.gov/ct2/show/NCT02823028.
5 Jun 2020 ... Objective: This study looked at the efficacy of zip code targeting in Facebook advertising to reach blacks/African Americans and Hispanics/Latinos ...