The effect of postal questionnaire burden on response rate and answer patterns following admission to intensive care: a randomised controlled trial
Abstract Background The effects of postal questionnaire burden on return rates and answers given are unclear following treatment on an intensive care unit (ICU). We aimed to establish the effects of different postal questionnaire burdens on return rates and answers given. Methods Design: A parallel...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2017-03-01
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Series: | BMC Medical Research Methodology |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s12874-017-0319-3 |