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Table 3 Response to second reminder in RCT B

From: Do incentives, reminders or reduced burden improve healthcare professional response rates in postal questionnaires? two randomised controlled trials

 

Full questionnaire

Abridged questionnaire

 

N = 474

N = 236

 

n

%

n

%

Completed questionnaires returned

34

7.2

35

14.8

Absolute percent difference (95% CI) ; p-value

-7.7 (−12.8 , -2.6); 0.001

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BMC Health Services Research

ISSN: 1472-6963

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