Document Detail


Failure rates among perfect users and during perfect use: a distinction that matters.
MedLine Citation:
PMID:  10715365     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To make an informed decision when choosing a contraceptive, women and couples need to know how effective different methods are when used perfectly, where perfect use is defined as following the directions for use. In this article, we show that unbiased estimates of pregnancy rates during perfect use can be guaranteed only if information on consistency and correctness of use is available for each menstrual cycle. The estimated probability of pregnancy during a year of perfect use among the subset of women who always used a method perfectly will be biased upward.
Authors:
R Dominik; J Trussell; T Walsh
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Contraception     Volume:  60     ISSN:  0010-7824     ISO Abbreviation:  Contraception     Publication Date:  1999 Dec 
Date Detail:
Created Date:  2000-04-20     Completed Date:  2000-04-20     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0234361     Medline TA:  Contraception     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  315-20     Citation Subset:  IM; J    
Affiliation:
Division of Biostatistics, Family Health International, Research Triangle Park, North Carolina, USA.
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MeSH Terms
Descriptor/Qualifier:
Contraception Behavior / statistics & numerical data*
Contraceptive Agents / standards*
Contraceptive Devices / standards*
Female
Humans
Male
Pregnancy Rate
Chemical
Reg. No./Substance:
0/Contraceptive Agents

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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