Initial nonresponders had an increased response rate after repeated questionnaire mailings.

Abstract:

BACKGROUND AND OBJECTIVE:There is a growing evidence base on methods to improve response rates in surveys among patients. This study aimed to determine the additional effect of two intensive follow-up procedures compared to a simple follow-up procedure. METHODS:Randomized controlled trial that compared repeated mailing of the questionnaire and a request to explain nonparticipation with a simple reminder card. The study population comprised 955 elderly adults registered with 26 general practitioners in The Netherlands. RESULTS:A total of 530 adults (56%) returned the questionnaire within 3 weeks and a total of 640 (67%) after follow-up. Repeated mailing of the questionnaire had additional effect compared to the simple reminder card in the group of initial nonresponders (relative risk=1.60, 95% confidence interval: 1.11-2.31), but not regarding the overall response rate. A request to explain nonparticipation did not have additional effect. CONCLUSION:Repeated mailing of the questionnaire increased the effectiveness of follow-up among initial nonresponders.

journal_name

J Clin Epidemiol

authors

Wensing M,Schattenberg G

doi

10.1016/j.jclinepi.2005.03.002

subject

Has Abstract

pub_date

2005-09-01 00:00:00

pages

959-61

issue

9

eissn

0895-4356

issn

1878-5921

pii

S0895-4356(05)00129-0

journal_volume

58

pub_type

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