Skip to main content

Advertisement

Table 1 Response rates by study group

From: Improving response rates using a monetary incentive for patient completion of questionnaires: an observational study

Group Historical controls (n = 105) Payment (n = 442) Difference in response rates (CI)
Initial mailing 39.0% (41/105) 53.8% (238/442) 14.8% (4.2 to 24.7)
1st reminder 26.6% (17/64) 40.8% (84/206) 14.2% (0.6 to 25.7)
2nd reminder 40.4% (19/47) 32.5% (38/117) -7.9% (-24.2 to 7.6)
Telephone reminder 19.2% (5/26) 37.2% (29/78) 17.9% (-3.2 to 33.4)
Total 78.1% (82/105) 88.0% (389/442) 9.9% (2.3 to 19.1)