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Table 2 Response to invitation including one-page summary or standard PIL

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

 

One-page summary

Standard PIL

Invitations sent

10,566

10,590

Number (%) attending screening visit

1181 (11.2%)

1122 (10.6%)

 Odds ratio (95% CI)

1.06 (0.97–1.16); p = 0.17

ref

Number (%) entering run-in

720 (6.8%)

690 (6.5%)

 Odds ratio (95% CI)

1.05 (0.94–1.17); p = 0.38

ref