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Table 1 Overview of each survey round

From: Effectiveness of incentives and follow-up on increasing survey response rates and participation in field studies

RoundIncentive for completing the surveySurvey lengthNumber of follow-up wavesIncentive for participating in field studyAddressee% deliverable
1Gift cardLong0$100“Current Resident”91.3
2Gift cardLong0$100“Current Resident”92.9
3Gift cardLong0$100Personalized91.7
4Gift cardLong0$100Personalized88.8
5Gift cardLong0a$100Personalized91.3
6$2 cashLong3$150Personalized88.3
7$2 cashLong3$150Personalized89.6
8$2 cashMedium3$150Personalized87.5
9$2 cashShort3$150Personalized86.3
10$2 cashLong3$200Personalized84.6
11$2 cashLong0$200Personalized91.3
12$2 cashLong3$200Personalized85.0
13$2 cashLong3$200Personalized86.3
14$2 cashLong2$200Personalized85.4
15$2 cashLong2$200Personalized84.2
16$2 cashLong2$200Personalized83.8
17$2 cashLong2$200Personalized82.1
  1. aIncluded pre-survey notification postcard sent before the initial survey mailing