Cargando…

Inter-individual inequality in BMI: An analysis of Indonesian Family Life Surveys (1993–2007)

Widening inequalities in mean Body Mass Index (BMI) between social and economic groups are well documented. However, whether changes in mean BMI are followed by changes in dispersion (or variance) and whether these inequalities are also occurring within social groups or across individuals remain und...

Descripción completa

Detalles Bibliográficos
Autores principales: Vaezghasemi, Masoud, Razak, Fahad, Ng, Nawi, Subramanian, S.V.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5757920/
https://www.ncbi.nlm.nih.gov/pubmed/29349195
http://dx.doi.org/10.1016/j.ssmph.2016.09.013
_version_ 1783290911986286592
author Vaezghasemi, Masoud
Razak, Fahad
Ng, Nawi
Subramanian, S.V.
author_facet Vaezghasemi, Masoud
Razak, Fahad
Ng, Nawi
Subramanian, S.V.
author_sort Vaezghasemi, Masoud
collection PubMed
description Widening inequalities in mean Body Mass Index (BMI) between social and economic groups are well documented. However, whether changes in mean BMI are followed by changes in dispersion (or variance) and whether these inequalities are also occurring within social groups or across individuals remain understudied. In addition, a substantial body of literature exists on the global increase in mean BMI and prevalence of overweight and obesity. However, whether this weight gain is shared proportionately across the whole spectrum of BMI distribution, also remains understudied. We examined changes in the distribution of BMI at the population level over time to understand how changes in the dispersion reflect between-group compared to within-group inequalities in weight gain. Moreover, we investigated the entire distribution of BMI to determine in which percentiles the most weight gain is occurring over time. Utilizing four waves (from 1993 to 2007) of Indonesian Family Life Surveys (IFLS), we estimated changes in the mean and the variance of BMI over time and across various socioeconomic groups based on education and households’ expenditure per capita in 53,648 men and women aged 20–50 years. An increase in mean and standard deviation was observed among men (by 4.3% and 25%, respectively) and women (by 7.3% and 20%, respectively) over time. Quantile-Quantile plots showed that higher percentiles had greater increases in BMI compared to the segment of the population at lower percentiles. While between socioeconomic group differences decreased over time, within-group differences increased and were more prominent among individuals with poor education and lower per capita expenditures. Population changes in BMI cannot be fully described by average trends or single parameters such as the mean BMI. Moreover, greater increases in within-group dispersion compared with between-group differences imply that growing inequalities are not merely driven by these socioeconomic factors at the population level.
format Online
Article
Text
id pubmed-5757920
institution National Center for Biotechnology Information
language English
publishDate 2016
publisher Elsevier
record_format MEDLINE/PubMed
spelling pubmed-57579202018-01-18 Inter-individual inequality in BMI: An analysis of Indonesian Family Life Surveys (1993–2007) Vaezghasemi, Masoud Razak, Fahad Ng, Nawi Subramanian, S.V. SSM Popul Health Article Widening inequalities in mean Body Mass Index (BMI) between social and economic groups are well documented. However, whether changes in mean BMI are followed by changes in dispersion (or variance) and whether these inequalities are also occurring within social groups or across individuals remain understudied. In addition, a substantial body of literature exists on the global increase in mean BMI and prevalence of overweight and obesity. However, whether this weight gain is shared proportionately across the whole spectrum of BMI distribution, also remains understudied. We examined changes in the distribution of BMI at the population level over time to understand how changes in the dispersion reflect between-group compared to within-group inequalities in weight gain. Moreover, we investigated the entire distribution of BMI to determine in which percentiles the most weight gain is occurring over time. Utilizing four waves (from 1993 to 2007) of Indonesian Family Life Surveys (IFLS), we estimated changes in the mean and the variance of BMI over time and across various socioeconomic groups based on education and households’ expenditure per capita in 53,648 men and women aged 20–50 years. An increase in mean and standard deviation was observed among men (by 4.3% and 25%, respectively) and women (by 7.3% and 20%, respectively) over time. Quantile-Quantile plots showed that higher percentiles had greater increases in BMI compared to the segment of the population at lower percentiles. While between socioeconomic group differences decreased over time, within-group differences increased and were more prominent among individuals with poor education and lower per capita expenditures. Population changes in BMI cannot be fully described by average trends or single parameters such as the mean BMI. Moreover, greater increases in within-group dispersion compared with between-group differences imply that growing inequalities are not merely driven by these socioeconomic factors at the population level. Elsevier 2016-10-01 /pmc/articles/PMC5757920/ /pubmed/29349195 http://dx.doi.org/10.1016/j.ssmph.2016.09.013 Text en © 2016 The Authors http://creativecommons.org/licenses/by-nc-nd/4.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Article
Vaezghasemi, Masoud
Razak, Fahad
Ng, Nawi
Subramanian, S.V.
Inter-individual inequality in BMI: An analysis of Indonesian Family Life Surveys (1993–2007)
title Inter-individual inequality in BMI: An analysis of Indonesian Family Life Surveys (1993–2007)
title_full Inter-individual inequality in BMI: An analysis of Indonesian Family Life Surveys (1993–2007)
title_fullStr Inter-individual inequality in BMI: An analysis of Indonesian Family Life Surveys (1993–2007)
title_full_unstemmed Inter-individual inequality in BMI: An analysis of Indonesian Family Life Surveys (1993–2007)
title_short Inter-individual inequality in BMI: An analysis of Indonesian Family Life Surveys (1993–2007)
title_sort inter-individual inequality in bmi: an analysis of indonesian family life surveys (1993–2007)
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5757920/
https://www.ncbi.nlm.nih.gov/pubmed/29349195
http://dx.doi.org/10.1016/j.ssmph.2016.09.013
work_keys_str_mv AT vaezghasemimasoud interindividualinequalityinbmiananalysisofindonesianfamilylifesurveys19932007
AT razakfahad interindividualinequalityinbmiananalysisofindonesianfamilylifesurveys19932007
AT ngnawi interindividualinequalityinbmiananalysisofindonesianfamilylifesurveys19932007
AT subramaniansv interindividualinequalityinbmiananalysisofindonesianfamilylifesurveys19932007