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Attrition in Long-Term Nutrition Research Studies: A Commentary by the European Society for Pediatric Gastroenterology, Hepatology, and Nutrition Early Nutrition Research Working Group
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
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2016 (English)In: Journal of Pediatric Gastroenterology and Nutrition - JPGN, ISSN 0277-2116, E-ISSN 1536-4801, Vol. 62, no 1, 180-182 p.Article in journal (Refereed) PublishedText
Abstract [en]

Long-term follow-up of randomised trials and observational studies provide the best evidence presently available to assess long-term effects of nutrition, and such studies are an important component in determining optimal infant feeding practices. Attrition is, however, an almost inevitable occurrence with increasing age at follow-up. There is a common assumption that studies with <80% follow-up rates are invalid or flawed, and this criticism seems to be more frequently applied to follow-up studies involving randomised trials than observational studies. In this article, we explore the basis and evidence for this 80% rule and discuss the need for greater consensus and clear guidelines for analysing and reporting results in this specific situation.

Place, publisher, year, edition, pages
2016. Vol. 62, no 1, 180-182 p.
Keyword [en]
attrition, loss to follow-up, nutrition, observational studies, paediatrics, randomised trials
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URN: urn:nbn:se:umu:diva-117405DOI: 10.1097/MPG.0000000000000992ISI: 000369300200029PubMedID: 26418210OAI: diva2:912757
Available from: 2016-03-17 Created: 2016-02-29 Last updated: 2016-03-17Bibliographically approved

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Domellöf, Magnus
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