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Height and weight bias: the influence of time

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dc.contributor.author Shiely, Frances
dc.contributor.author Hayes, Kevin
dc.contributor.author Perry, Ivan J.
dc.contributor.author Kelleher, Cecily C.
dc.date.accessioned 2013-02-11T12:52:13Z
dc.date.available 2013-02-11T12:52:13Z
dc.date.issued 2012
dc.identifier.uri http://hdl.handle.net/10344/2877
dc.description peer-reviewed en_US
dc.description.abstract Background: 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. Selfreported 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_US
dc.language.iso eng en_US
dc.publisher Public Library of Science en_US
dc.relation.ispartofseries PLoS One;8(1), e54386
dc.relation.uri http://dx.doi.org10.1371/journal.pone.0054386
dc.subject BMI en_US
dc.subject height en_US
dc.subject weight en_US
dc.subject influence en_US
dc.title Height and weight bias: the influence of time en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US
dc.internal.rssid 1434079


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