Geographic variability in the association between socioeconomic status and BMI in the USA and Canada.

<h4>Objective</h4>Reported associations between socioeconomic status (SES) and obesity are inconsistent depending on gender and geographic location. Globally, these inconsistent observations may hide a variation in the contextual effect on individuals' risk of obesity for subgroups...

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Autores principales:	Alexandre Lebel, Yan Kestens, Christelle Clary, Sherri Bisset, S V Subramanian
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/af21c390eed14d72bcc018edae36473a
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spelling	oai:doaj.org-article:af21c390eed14d72bcc018edae36473a2021-11-18T08:15:30ZGeographic variability in the association between socioeconomic status and BMI in the USA and Canada.1932-620310.1371/journal.pone.0099158https://doaj.org/article/af21c390eed14d72bcc018edae36473a2014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24932774/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Objective</h4>Reported associations between socioeconomic status (SES) and obesity are inconsistent depending on gender and geographic location. Globally, these inconsistent observations may hide a variation in the contextual effect on individuals' risk of obesity for subgroups of the population. This study explored the regional variability in the association between SES and BMI in the USA and in Canada, and describes the geographical variance patterns by SES category.<h4>Methods</h4>The 2009-2010 samples of the Behavioral Risk Factor Surveillance System (BRFSS) and the Canadian Community Health Survey (CCHS) were used for this comparison study. Three-level random intercept and differential variance multilevel models were built separately for women and men to assess region-specific BMI by SES category and their variance bounds.<h4>Results</h4>Associations between individual SES and BMI differed importantly by gender and countries. At the regional-level, the mean BMI variation was significantly different between SES categories in the USA, but not in Canada. In the USA, whereas the county-specific mean BMI of higher SES individuals remained close to the mean, its variation grown as SES decreased. At the county level, variation of mean BMI around the regional mean was 5 kg/m2 in the high SES group, and reached 8.8 kg/m2 in the low SES group.<h4>Conclusions</h4>This study underlines how BMI varies by country, region, gender and SES. Lower socioeconomic groups within some regions show a much higher variation in BMI than in other regions. Above the BMI regional mean, important variation patterns of BMI by SES and place of residence were found in the USA. No such pattern was found in Canada. This study suggests that a change in the mean does not necessarily reflect the change in the variance. Analyzing the variance by SES may be a good way to detect subtle influences of social forces underlying social inequalities.Alexandre LebelYan KestensChristelle ClarySherri BissetS V SubramanianPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 6, p e99158 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Alexandre Lebel Yan Kestens Christelle Clary Sherri Bisset S V Subramanian Geographic variability in the association between socioeconomic status and BMI in the USA and Canada.
description	<h4>Objective</h4>Reported associations between socioeconomic status (SES) and obesity are inconsistent depending on gender and geographic location. Globally, these inconsistent observations may hide a variation in the contextual effect on individuals' risk of obesity for subgroups of the population. This study explored the regional variability in the association between SES and BMI in the USA and in Canada, and describes the geographical variance patterns by SES category.<h4>Methods</h4>The 2009-2010 samples of the Behavioral Risk Factor Surveillance System (BRFSS) and the Canadian Community Health Survey (CCHS) were used for this comparison study. Three-level random intercept and differential variance multilevel models were built separately for women and men to assess region-specific BMI by SES category and their variance bounds.<h4>Results</h4>Associations between individual SES and BMI differed importantly by gender and countries. At the regional-level, the mean BMI variation was significantly different between SES categories in the USA, but not in Canada. In the USA, whereas the county-specific mean BMI of higher SES individuals remained close to the mean, its variation grown as SES decreased. At the county level, variation of mean BMI around the regional mean was 5 kg/m2 in the high SES group, and reached 8.8 kg/m2 in the low SES group.<h4>Conclusions</h4>This study underlines how BMI varies by country, region, gender and SES. Lower socioeconomic groups within some regions show a much higher variation in BMI than in other regions. Above the BMI regional mean, important variation patterns of BMI by SES and place of residence were found in the USA. No such pattern was found in Canada. This study suggests that a change in the mean does not necessarily reflect the change in the variance. Analyzing the variance by SES may be a good way to detect subtle influences of social forces underlying social inequalities.
format	article
author	Alexandre Lebel Yan Kestens Christelle Clary Sherri Bisset S V Subramanian
author_facet	Alexandre Lebel Yan Kestens Christelle Clary Sherri Bisset S V Subramanian
author_sort	Alexandre Lebel
title	Geographic variability in the association between socioeconomic status and BMI in the USA and Canada.
title_short	Geographic variability in the association between socioeconomic status and BMI in the USA and Canada.
title_full	Geographic variability in the association between socioeconomic status and BMI in the USA and Canada.
title_fullStr	Geographic variability in the association between socioeconomic status and BMI in the USA and Canada.
title_full_unstemmed	Geographic variability in the association between socioeconomic status and BMI in the USA and Canada.
title_sort	geographic variability in the association between socioeconomic status and bmi in the usa and canada.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/af21c390eed14d72bcc018edae36473a
work_keys_str_mv	AT alexandrelebel geographicvariabilityintheassociationbetweensocioeconomicstatusandbmiintheusaandcanada AT yankestens geographicvariabilityintheassociationbetweensocioeconomicstatusandbmiintheusaandcanada AT christelleclary geographicvariabilityintheassociationbetweensocioeconomicstatusandbmiintheusaandcanada AT sherribisset geographicvariabilityintheassociationbetweensocioeconomicstatusandbmiintheusaandcanada AT svsubramanian geographicvariabilityintheassociationbetweensocioeconomicstatusandbmiintheusaandcanada
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Geographic variability in the association between socioeconomic status and BMI in the USA and Canada.

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