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Table 3 Response to invitation including modified or standard PIL

From: Investigating modifications to participant information materials to improve recruitment into a large randomized trial

 

Modified PIL

Standard PIL

Invitations sent

6104

6060

Number (%) attending screening visit

580 (9.50%)

499 (8.23%)

 Odds ratio (95% CI)

1.17 (1.03–1-.33); p = 0.01

ref

Number (%) entering run-in

373 (6.11%)

339 (5.59%)

 Odds ratio (95% CI)

1.10 (0.94–1.28); p = 0.23

ref