Skip to main content

Advertisement

Table 1 Response rates by incentive group

From: Altruistic donation to improve survey responses: a global randomized trial

  Total invited Faulty email Final sent Surveys responses n, %
n, % n, %
Control (A) 811 54 (6.7) 757 (93.3) 101 (13.3)
Incentive (B) 807 72 (8.9) 735 (91.1) 106 (14.4)
Incentive (C) 808 73 (9.0) 735 (91.0) 82 (11.1)