Socioeconomic Gradient in Childhood Obesity and Hypertension: A Multilevel Population-Based Study in a Chinese Community

This study aims to assess evidence for any socioeconomic gradients in childhood obesity and hypertension in a population-representative sample in Hong Kong, China. The data of a stratified random sampled growth survey collected in 2005-2006 was matched with a population by-census. Obesity was define...

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Veröffentlicht in:PloS one 2016-06, Vol.11 (6), p.e0156945-e0156945
Hauptverfasser: Ip, Patrick, Ho, Frederick Ka Wing, So, Hung-Kwan, Chan, Dorothy Fung-Ying, Ho, Matthew, Tso, Winnie, Nelson, E Anthony S
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container_title PloS one
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creator Ip, Patrick
Ho, Frederick Ka Wing
So, Hung-Kwan
Chan, Dorothy Fung-Ying
Ho, Matthew
Tso, Winnie
Nelson, E Anthony S
description This study aims to assess evidence for any socioeconomic gradients in childhood obesity and hypertension in a population-representative sample in Hong Kong, China. The data of a stratified random sampled growth survey collected in 2005-2006 was matched with a population by-census. Obesity was defined using the International Obesity Task Force standard and hypertension was defined using the Hong Kong norm table. Family socioeconomic status (SES) was measured by maternal education level. Neighbourhood SES was measured by median household income of the neighbourhood. Multilevel Poisson regression models with robust standard error were used to test the association. Body mass indices of children's parents were included as potential confounders. Intra-school/neighbourhood correlations were adjusted using random factors. Totally 14842 children (age 6-19 years) included in the analysis, in which 16.6% of them were overweight or obese. Children whose mother only completed secondary school or below had higher risk of childhood obesity (RR 1.41, 95% CI 1.13-1.76, p = 0.003) and hypertension (RR 1.18, 95% CI 1.01-1.36, p = 0.03). Meanwhile, children in the lowest neighbourhood SES group had higher risk of childhood underweight (RR 1.61, 95% CI 1.04-2.49, p = 0.03), overweight (RR 1.35, 95% CI 1.05-1.72, p = 0.02), and obesity (RR 2.07, 95% CI 1.11-3.88, p = 0.02). Socioeconomic gradient in childhood obesity and hypertension existed in Hong Kong, one of the most developed cities in China. These results have implications for policymakers and public health experts and highlight the need to monitor trends in other parts of China.
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The data of a stratified random sampled growth survey collected in 2005-2006 was matched with a population by-census. Obesity was defined using the International Obesity Task Force standard and hypertension was defined using the Hong Kong norm table. Family socioeconomic status (SES) was measured by maternal education level. Neighbourhood SES was measured by median household income of the neighbourhood. Multilevel Poisson regression models with robust standard error were used to test the association. Body mass indices of children's parents were included as potential confounders. Intra-school/neighbourhood correlations were adjusted using random factors. Totally 14842 children (age 6-19 years) included in the analysis, in which 16.6% of them were overweight or obese. Children whose mother only completed secondary school or below had higher risk of childhood obesity (RR 1.41, 95% CI 1.13-1.76, p = 0.003) and hypertension (RR 1.18, 95% CI 1.01-1.36, p = 0.03). 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These results have implications for policymakers and public health experts and highlight the need to monitor trends in other parts of China.</description><subject>Adolescent</subject><subject>Analysis</subject><subject>Biology and Life Sciences</subject><subject>Body mass</subject><subject>Body weight</subject><subject>Censuses</subject><subject>Child</subject><subject>Childhood</subject><subject>Childhood obesity</subject><subject>Children</subject><subject>Children &amp; youth</subject><subject>China - epidemiology</subject><subject>Developing countries</subject><subject>Exercise</subject><subject>Families &amp; family life</subject><subject>Family income</subject><subject>Female</subject><subject>Health aspects</subject><subject>Health education</subject><subject>Health literacy</subject><subject>Hong Kong - epidemiology</subject><subject>Humans</subject><subject>Hypertension</subject><subject>Hypertension - epidemiology</subject><subject>Hypertension - 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(mathematics)</subject><subject>Social Class</subject><subject>Social Sciences</subject><subject>Socio-economic aspects</subject><subject>Socioeconomic factors</subject><subject>Socioeconomics</subject><subject>Standard error</subject><subject>Statistical analysis</subject><subject>Students</subject><subject>Surveys</subject><subject>Underweight</subject><subject>Young 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S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Socioeconomic Gradient in Childhood Obesity and Hypertension: A Multilevel Population-Based Study in a Chinese Community</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2016-06-03</date><risdate>2016</risdate><volume>11</volume><issue>6</issue><spage>e0156945</spage><epage>e0156945</epage><pages>e0156945-e0156945</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>This study aims to assess evidence for any socioeconomic gradients in childhood obesity and hypertension in a population-representative sample in Hong Kong, China. 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subjects Adolescent
Analysis
Biology and Life Sciences
Body mass
Body weight
Censuses
Child
Childhood
Childhood obesity
Children
Children & youth
China - epidemiology
Developing countries
Exercise
Families & family life
Family income
Female
Health aspects
Health education
Health literacy
Hong Kong - epidemiology
Humans
Hypertension
Hypertension - epidemiology
Hypertension - etiology
Industrialized nations
Influence
LDCs
Male
Mediation
Medicine
Medicine and Health Sciences
Obesity
Overweight
Overweight - epidemiology
Overweight - etiology
Parents
Pediatric Obesity - epidemiology
Pediatric Obesity - etiology
Pediatrics
People and places
Physical fitness
Poisson density functions
Population
Population studies
Population-based studies
Prevalence
Public health
Questionnaires
Regression analysis
Regression models
Risk factors
Robustness (mathematics)
Social Class
Social Sciences
Socio-economic aspects
Socioeconomic factors
Socioeconomics
Standard error
Statistical analysis
Students
Surveys
Underweight
Young Adult
title Socioeconomic Gradient in Childhood Obesity and Hypertension: A Multilevel Population-Based Study in a Chinese Community
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