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) |