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Table 1 Sample, response, and response rates

From: Improving response rate and quality of survey data with a scratch lottery ticket incentive

  Incentive group Control group
Sample 1 200 1 200
Sample after withdraws 1 161 1 145
Pre-reminder response 558 443
Pre-reminder response rate 1 48.1% 38.7%
Reminder response 187 229
Reminder response rate 1 187/603 = 31.0% 229/702 = 32.6%
Total response 745 672
Total response rate 1 64.2% 58.7%
  1. 1 Response rate after withdraws.