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. 2019 Dec 12;19:238. doi: 10.1186/s12874-019-0882-x

Table 2.

Number of responses after first contact and after receiving reminder letters, disaggregated by mode of completion (i.e. mail or Web survey)

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)

a Results are given in number of respondents

b Results are given in number (percentage) of respondents

c Pearson’s Chi-squared test of proportions was used to compare the number of total responses after the first contact and after reminder across the two survey modes