Table 2 Number of responses after first contact and after receiving reminder letters, disaggregated by mode of completion (i.e. mail or Web survey)
From: Self-reported data in environmental health studies: mail vs. web-based surveys
Region | Overall responses | Responses after first contact | Responses after reminder | p-value c | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Total a | Mail survey b | Web survey b | Total a | Mail survey b | Web survey b | Total a | Mail survey b | Web survey b | ||
Anholt | 22 | 15 (68) | 7 (32) | 20 | 14 (70) | 6 (30) | 2 | 1 (50) | 1 (50) | 0.005 |
Keldsnor | 61 | 51 (84) | 10 (16) | 31 | 28 (90) | 3 (10) | 30 | 23 (77) | 7 (23) | |
Lindet | 201 | 155 (77) | 46 (23) | 119 | 96 (81) | 23 (19) | 82 | 59 (72) | 23 (28) | |
Sundeved | 782 | 570 (73) | 212 (27) | 479 | 363 (76) | 116 (24) | 303 | 207 (68) | 96 (32) | |
Total | 1066 | 791 (74) | 275 (26) | 649 | 501 (77) | 148 (23) | 417 | 290 (70) | 127 (30) | |