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dc.contributor.authorNatland, Siv Tone
dc.contributor.authorAndersen, Lene Frost
dc.contributor.authorNilsen, Tom Ivar Lund
dc.contributor.authorForsmo, Siri
dc.contributor.authorJacobsen, Geir Wenberg
dc.date.accessioned2019-10-17T13:27:39Z
dc.date.available2019-10-17T13:27:39Z
dc.date.created2013-01-07T09:55:09Z
dc.date.issued2012
dc.identifier.issn1471-2288
dc.identifier.urihttp://hdl.handle.net/11250/2622822
dc.description.abstractBackground Studies on the health benefits from breastfeeding often rely on maternal recall of breastfeeding. Although short-term maternal recall has been found to be quite accurate, less is known about long-term accuracy. The objective of this study was to assess the accuracy of long-term maternal recall of breastfeeding duration. Methods In a prospective study of pregnancy and birth outcome, detailed information on breastfeeding during the child’s first year of life was collected from a cohort of Norwegian women who gave birth in 1986–88. Among 374 of the participants, data on breastfeeding initiation and duration were compared to recalled data obtained from mailed questionnaires some 20 years later. Intraclass correlation coefficient (ICC), Bland-Altman plot, and Kappa statistics were used to assess the agreement between the two sources of data. Logistic regression was used to assess predictors of misreporting breastfeeding duration by more than one month. Results Recorded and recalled breastfeeding duration were strongly correlated (ICC=0.82, p < 0.001). Nearly two thirds of women recalled their breastfeeding to within one month. Recall data showed a modest median overestimation of about 2 weeks. There were no apparent systematic discrepancies between the two sources of information, but recall error was predicted by the age when infants were introduced to another kind of milk. Across categories of breastfeeding, the overall weighted Kappa statistic showed an almost perfect agreement (κ = 0.85, 95% confidence interval [CI] 0.82 – 0.88). Conclusion Breastfeeding duration was recalled quite accurately 20 years after mothers gave birth in a population where breastfeeding is common and its duration long.nb_NO
dc.language.isoengnb_NO
dc.publisherBMC (part of Springer Nature)nb_NO
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleMaternal recall of breastfeeding duration twenty years after deliverynb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionpublishedVersionnb_NO
dc.source.volume12nb_NO
dc.source.journalBMC Medical Research Methodologynb_NO
dc.source.issue179nb_NO
dc.identifier.doi10.1186/1471-2288-12-179
dc.identifier.cristin981774
dc.description.localcode© 2012 Natland et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.nb_NO
cristin.unitcode194,65,20,0
cristin.unitcode194,65,30,0
cristin.unitnameInstitutt for samfunnsmedisin og sykepleie
cristin.unitnameInstitutt for nevromedisin og bevegelsesvitenskap
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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