To send or not to send: weighing the costs and benefits of mailing an advance letter to participants before a telephone survey

Abstract Objective A letter was mailed to half the participants (Letter = 137; No Letter = 138) of a 5-year follow-up survey regarding smoking cessation before attempting contact for a telephone interview. The primary outcome was the number of completed surveys per group (response rate). Secondary a...

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Bibliographic Details
Main Authors: Christina Schell, Alexandra Godinho, Vladyslav Kushnir, John A. Cunningham
Format: Article
Language:English
Published: BMC 2018-11-01
Series:BMC Research Notes
Subjects:
Online Access:http://link.springer.com/article/10.1186/s13104-018-3920-6