Document Detail


Missing Data in Long-term Follow-up of Patients with Eating Disorders Using the Body Attitude Test.
MedLine Citation:
PMID:  23055244     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: Incompleteness of data is a major problem within clinical follow-up studies. The aim of present study was to compare different statistical models in the management of follow-up data in patients with eating disorders using the Body Attitude Test. METHOD: A prospective longitudinal investigation with repeated evaluations over fixed time intervals was conducted among 807 female patients with eating disorders using the Body Attitude Test as a dependent-variable. Three types of missing data mechanisms were explored: missing completely at random, missing at random and missing not at random. RESULTS: Multivariate analysis showed that the missing completely at random type of missing data mechanism is less reliable than the missing at random or missing not at random mechanisms. Five years after admission, the body experience of eating disorder patients is less deviant. Compared with normative data, 37% of the eating disorder patients still had a more negative body experience 5 years after admission. DISCUSSION: There is no single correct method for dealing with missing data. Therefore, it is recommended that multiple methods be used under different assumptions of absenteeism. Copyright © 2012 John Wiley & Sons, Ltd and Eating Disorders Association.
Authors:
Candida Geerdens; Johan Vanderlinden; Guido Pieters; Amber De Herdt; Michel Probst
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-11
Journal Detail:
Title:  European eating disorders review : the journal of the Eating Disorders Association     Volume:  -     ISSN:  1099-0968     ISO Abbreviation:  Eur Eat Disord Rev     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9436977     Medline TA:  Eur Eat Disord Rev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 John Wiley & Sons, Ltd and Eating Disorders Association.
Affiliation:
Interuniversity for Biostatistics and statistical Bioinformatics, Universiteit Hasselt, Belgium.
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