Mahmoodi, Z., Gill, Paramjit, Qorbani, Mostafa, Khonsari, N. M., Sheidaei, Ali, Heshmat, R., Heidari-Beni, M. and Kelishadi, R. (2022) Socioeconomic inequality in different phenotypes of childhood obesity and its determinants in Iran : a Blinder-Oaxaca decomposition method. BMC Public Health, 22 . 1580. doi:10.1186/s12889-022-13997-x ISSN 1471-2458.

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Abstract

Background: Childhood obesity has become a significant public health issue worldwide. Socioeconomic status is among its key determinants. This study examined the socioeconomic inequality in different phenotypes of childhood obesity at the national level in Iran.

Methods: This national, multistage school cross-sectional study was undertaken in 2015 on 14,400 students aged 7-18 years from urban and rural areas of 30 provinces of Iran. Using principal component analysis, socioeconomic status (SES) was categorized into tertiles. SES inequality in different phenotypes of obesity (i.e., generalized obesity", "abdominal obesity", and combined obesity) was estimated using the concentration index. The determinants of this inequality were assessed by the Blinder-Oaxaca decomposition method.

Results: Overall, 14274 students completed the study (response rate: 99%). The mean age was 12.28 years, 50.6% were boys, and 71.42% lived in urban areas. The Prevalence of generalized obesity and abdominal obesity was 20.8% and 11.3%, respectively. The concentration index for different phenotypes of obesity was positive, indicating that inequality is more common amongst the low SES groups. High SES, being male, living in a rural, and having a positive family history of obesity were associated with general obesity. Moderate physical activity and living in a rural area were associated with abdominal obesity. In addition, living in a rural area, having a high SES, being male and having a positive family of obesity were associated with combined obesity.

Conclusion: According to the present study findings, all phenotypes of childhood obesity were more prevalent in Iranian children with high SES. Therefore, due to obesity and other diseases, it is essential to implement environmental changes in addition to designing macro-educational programs and prevention strategies.

Item Type:	Journal Article
Alternative Title:
Subjects:	H Social Sciences > HQ The family. Marriage. Woman R Medicine > RJ Pediatrics > RJ101 Child Health. Child health services
Divisions:	Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH):	Obesity in children -- Social aspects -- Iran, Children -- Iran -- Social conditions, Decomposition method
Journal or Publication Title:	BMC Public Health
Publisher:	BioMed Central Ltd.
ISSN:	1471-2458
Official Date:	20 August 2022
Dates:	Date Event 20 August 2022 Published 11 August 2022 Accepted 9 April 2022 Submitted
Volume:	22
Article Number:	1580
DOI:	10.1186/s12889-022-13997-x
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Date of first compliant deposit:	12 August 2022
Date of first compliant Open Access:	23 August 2022
RIOXX Funder/Project Grant:	Project/Grant ID RIOXX Funder Name Funder ID UNSPECIFIED Alborz University of Medical Sciences http://dx.doi.org/10.13039/501100012411
Related URLs:	Publisher

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