Skip to main content

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

RegionOverall responsesResponses after first contactResponses after reminderp-value c
Total aMail survey bWeb survey bTotal aMail survey bWeb survey bTotal aMail survey bWeb survey b
Anholt2215 (68)7 (32)2014 (70)6 (30)21 (50)1 (50)0.005
Keldsnor6151 (84)10 (16)3128 (90)3 (10)3023 (77)7 (23)
Lindet201155 (77)46 (23)11996 (81)23 (19)8259 (72)23 (28)
Sundeved782570 (73)212 (27)479363 (76)116 (24)303207 (68)96 (32)
Total1066791 (74)275 (26)649501 (77)148 (23)417290 (70)127 (30)
  1. a Results are given in number of respondents
  2. b Results are given in number (percentage) of respondents
  3. 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