Table 5 A summary of the strategies used to improve recruitment of ethnic minority groups in COVID-19 trials

2. Yu LM er al

“To increase recruitment from ethnic minority and socially deprived communities, which have been disproportionately affected by COVID-19, we used several outreach strategies, including the appointment in September, 2020, of an expert working with ethnic minorities; active collaboration with community, religious and health organisations; and promotion in multiple languages through a range of media.”

4. Butler CC et al

“Given the increased risk from COVID-19 among Black, Asian, and minority ethnic communities, we actively reached out to a range of religious and community organisations at national and regional levels to increase participation from diverse backgrounds.”

19. Perkins G et al.*

“Collection and reporting of race and ethnicity based on fixed categories and mandated by funder due to disproportionate effect of COVID-19 infection on non-white population.” – no specific recruitment strategy described

21. Doward J et al

“Several community outreach strategies were implemented aiming to increase recruitment of those from ethnically diverse communities and socioeconomically deprived backgrounds, who have been disproportionally affected by COVID-19.”

26. Munro APS et al.*

“Recruitment of those identifying as black or minority ethnic was particularly encouraged.”—no specific recruitment strategy described