Can a social media campaign increase the use of long-acting reversible contraception? Evidence from a cluster randomized control trial using Facebook

Objective To test whether an informational campaign carried out on social media increased use of long-acting reversible contraception (LARC). Study design We implemented a stratified cluster randomized control trial to identify the effect of an informational campaign carried out using Facebook advertisements designed to increase knowledge of the efficacy, ease of use and safety of LARC. We randomized all zip codes in a three-state study area to...