Height and weight bias: the influence of time.

<h4>Background</h4>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 measu...

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Autores principales:	Frances Shiely, Kevin Hayes, Ivan J Perry, C Cecily Kelleher
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/70146a5262054e72acdc96401d2ee7a9
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spelling	oai:doaj.org-article:70146a5262054e72acdc96401d2ee7a92021-11-18T08:00:23ZHeight and weight bias: the influence of time.1932-620310.1371/journal.pone.0054386https://doaj.org/article/70146a5262054e72acdc96401d2ee7a92013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23372717/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>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.<h4>Methods</h4>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/m(2)), overweight (25-<30 kg/m(2)) and obese (≥30 kg/m(2)).<h4>Results</h4>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.<h4>Conclusions</h4>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.Frances ShielyKevin HayesIvan J PerryC Cecily KelleherPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 1, p e54386 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Frances Shiely Kevin Hayes Ivan J Perry C Cecily Kelleher Height and weight bias: the influence of time.
description	<h4>Background</h4>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.<h4>Methods</h4>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/m(2)), overweight (25-<30 kg/m(2)) and obese (≥30 kg/m(2)).<h4>Results</h4>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.<h4>Conclusions</h4>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.
format	article
author	Frances Shiely Kevin Hayes Ivan J Perry C Cecily Kelleher
author_facet	Frances Shiely Kevin Hayes Ivan J Perry C Cecily Kelleher
author_sort	Frances Shiely
title	Height and weight bias: the influence of time.
title_short	Height and weight bias: the influence of time.
title_full	Height and weight bias: the influence of time.
title_fullStr	Height and weight bias: the influence of time.
title_full_unstemmed	Height and weight bias: the influence of time.
title_sort	height and weight bias: the influence of time.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/70146a5262054e72acdc96401d2ee7a9
work_keys_str_mv	AT francesshiely heightandweightbiastheinfluenceoftime AT kevinhayes heightandweightbiastheinfluenceoftime AT ivanjperry heightandweightbiastheinfluenceoftime AT ccecilykelleher heightandweightbiastheinfluenceoftime
_version_	1718422672604397568

Height and weight bias: the influence of time.

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