A JAMA Network Open study today describes successful deployment of a video tool to improve COVID-19 knowledge, beliefs, and risk-reduction behaviors of Black and White adults.In the randomized clinical trial, a team led by Harvard Medical School researchers randomly assigned a video message about COVID-19 to 18,233 Black and White adults with less than a college education recruited from Aug 7 to Sep 6, 2020.
The goal was to assess whether the messages would increase coronavirus knowledge, information seeking, and protective behaviors if they were tailored to Black adults.The control group viewed three videos on fitness guidelines, recommended sugar consumption, and the importance of sleep and then completed an outcome survey, while the