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Table 4 Number of digital tools, by category that CTUs mentioned they have experience of in relation to recruitment (including identification)

From: Using digital tools in the recruitment and retention in randomised controlled trials: survey of UK Clinical Trial Units and a qualitative study

Recruitment tools

n (%)

Database tool (CPRD - Clinical Practice Research Datalink, in-house built tool, disease registry)

19 (46)

Social media (e.g. Facebook, Twitter, YouTube)


Trial websites

7 (17)


3 (7)

Other – in-house

1 (2)

  1. CTU Clinical Trials Unit, CPRD Clinical Practice Research Datalink