Correction to: Trials 21, 259 (2020)

https://doi.org/10.1186/s13063-020-4197-3

Following publication of the original article [1], we were notified that a few lines in Table 2 were misaligned. The correct Table 2 is presented below.

Table 2 Identified psychosocial facilitators and barriers to research participation, mapped to tested recruitment interventions and the Theoretical Domains Framework. [Key: (−) Negative effect on recruitment; (?) Uncertain effect on recruitment]