Participant characteristics associated with withdrawal from a large randomized trial of spermicide effectiveness

<p>Abstract</p> <p>Background</p> <p>In most recent large efficacy trials of barrier contraceptive methods, a high proportion of participants withdrew before the intended end of follow-up. The objective of this analysis was to explore characteristics of participants who...

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Bibliographic Details
Main Authors: Martens Mark, Wan Livia, Poindexter Alfred, Creinin Mitchell D, Bradley Lynn, Barnhart Kurt T, Luoto Joanne, Pierre-Louis Bosny, Chen Pai, Raymond Elizabeth G, Schenken Robert, Nicholas Cate F, Blackwell Richard
Format: Article
Language:English
Published: BMC 2004-10-01
Series:BMC Medical Research Methodology
Online Access:http://www.biomedcentral.com/1471-2288/4/23