Height and weight bias: the influence of time

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dc.contributor.authorShiely, Frances
dc.contributor.authorHayes, Kevin
dc.contributor.authorPerry, Ivan J.
dc.contributor.authorKelleher, Cecily C.
dc.contributor.funderHealth Research Boarden
dc.date.accessioned2016-02-25T12:04:14Z
dc.date.available2016-02-25T12:04:14Z
dc.date.issued2013
dc.description.abstractBackground: We have previously identified in a study of both self-reported body mass index (BMI) and clinically measured BMI that the sensitivity score in the obese category has declined over a 10-year period. It is known that self-reported weight is significantly lower that measured weight and that self-reported height is significantly higher than measured height. The purpose of this study is to establish if self-reported height bias or weight bias, or both, is responsible for the declining sensitivity in the obese category between self-reported and clinically measured BMI. Methods: We report on self-reported and clinically measured height and weight from three waves of the Surveys of Lifestyle Attitudes and Nutrition (SLÁN) involving a nationally representative sample of Irish adults. Data were available from 66 men and 142 women in 1998, 147 men and 184 women in 2002 and 909 men and 1128 women in 2007. Respondents were classified into BMI categories normal (<25 kg/m2), overweight (25–<30 kg/m2) and obese (≥30 kg/m2). Results: Self-reported height bias has remained stable over time regardless of gender, age or clinical BMI category. Self-reported weight bias increases over time for both genders and in all age groups. The increased weight bias is most notable in the obese category. Conclusions: BMI underestimation is increasing across time. Knowledge that the widening gap between self-reported BMI and measured BMI is attributable to an increased weight bias brings us one step closer to accurately estimating true obesity levels in the population using self-reported data.en
dc.description.sponsorshipHealth Research Board (HRB Centre for Diet and Health Research)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleide54386
dc.identifier.citationShiely F, Hayes K, Perry IJ, Kelleher CC (2013) Height and Weight Bias: The Influence of Time. PLoS ONE 8(1): e54386. doi:10.1371/journal.pone.0054386en
dc.identifier.doi10.1371/journal.pone.0054386
dc.identifier.issn1932-6203
dc.identifier.issued1en
dc.identifier.journaltitlePLOS ONEen
dc.identifier.urihttps://hdl.handle.net/10468/2397
dc.identifier.volume8en
dc.language.isoenen
dc.publisherPublic Library of Scienceen
dc.rights© 2013 Shiely et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are crediteden
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectSelf reported heighten
dc.subjectBody mass Indexen
dc.subjectObesityen
dc.subjectValidityen
dc.subjectPopulationen
dc.subjectBmien
dc.subjectHealthen
dc.titleHeight and weight bias: the influence of timeen
dc.typeArticle (peer-reviewed)en
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