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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.