Birth weight changes in a major city under rapid socioeconomic transition in China

Abstract Estimates of trends in birth weight may be useful in evaluating population health. We aimed to determine whether temporal changes in birth weight have occurred amongst 2.3 million neonates born in Guangzhou, China, during 2001–2015 and investigate the socioeconomic determinants of any chang...

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Autores principales:	Jian-Rong He, Wei-Dong Li, Min-Shan Lu, Yong Guo, Fan-Fan Chan, Jin-Hua Lu, Li-Fang Zhang, Song-Ying Shen, Xiao-Yan Xia, Ping Wang, Wei-Jian Mo, Kin Bong Hubert Lam, Jane E. Hirst, Hui-Min Xia, Xiu Qiu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7218e790e0c24d21800b34f4e3bdd0eb
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spelling	oai:doaj.org-article:7218e790e0c24d21800b34f4e3bdd0eb2021-12-02T12:32:28ZBirth weight changes in a major city under rapid socioeconomic transition in China10.1038/s41598-017-01068-w2045-2322https://doaj.org/article/7218e790e0c24d21800b34f4e3bdd0eb2017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01068-whttps://doaj.org/toc/2045-2322Abstract Estimates of trends in birth weight may be useful in evaluating population health. We aimed to determine whether temporal changes in birth weight have occurred amongst 2.3 million neonates born in Guangzhou, China, during 2001–2015 and investigate the socioeconomic determinants of any changes. Trends in mean birth weight and annualized changes with the associated 95% confidence intervals (CIs) in the incidence of small for gestational age (SGA) and large for gestational age (LGA), defined as birth weight <10th or >90th centile respectively for gestational age and sex, were examined using linear and Poisson regression models. We found that mean birth weight declined by 1.07 grams/year from 2001 to 2015. After adjustment for gestational length, the decline in birth weight was attenuated (0.37 grams/year). The incidence of both SGA and LGA significantly decreased during the study period (annual decrease of 1.6% [95% CI, 1.5% to 1.7%] for SGA, 1.6% [95% CI, 1.5% to 1.8%] for LGA). We found a narrowing of disparities in SGA and LGA incidence across different maternal educational levels and residence location. Our results demonstrate that there has been an increase in the proportion of neonates born in the healthy birth weight range in Guangzhou.Jian-Rong HeWei-Dong LiMin-Shan LuYong GuoFan-Fan ChanJin-Hua LuLi-Fang ZhangSong-Ying ShenXiao-Yan XiaPing WangWei-Jian MoKin Bong Hubert LamJane E. HirstHui-Min XiaXiu QiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jian-Rong He Wei-Dong Li Min-Shan Lu Yong Guo Fan-Fan Chan Jin-Hua Lu Li-Fang Zhang Song-Ying Shen Xiao-Yan Xia Ping Wang Wei-Jian Mo Kin Bong Hubert Lam Jane E. Hirst Hui-Min Xia Xiu Qiu Birth weight changes in a major city under rapid socioeconomic transition in China
description	Abstract Estimates of trends in birth weight may be useful in evaluating population health. We aimed to determine whether temporal changes in birth weight have occurred amongst 2.3 million neonates born in Guangzhou, China, during 2001–2015 and investigate the socioeconomic determinants of any changes. Trends in mean birth weight and annualized changes with the associated 95% confidence intervals (CIs) in the incidence of small for gestational age (SGA) and large for gestational age (LGA), defined as birth weight <10th or >90th centile respectively for gestational age and sex, were examined using linear and Poisson regression models. We found that mean birth weight declined by 1.07 grams/year from 2001 to 2015. After adjustment for gestational length, the decline in birth weight was attenuated (0.37 grams/year). The incidence of both SGA and LGA significantly decreased during the study period (annual decrease of 1.6% [95% CI, 1.5% to 1.7%] for SGA, 1.6% [95% CI, 1.5% to 1.8%] for LGA). We found a narrowing of disparities in SGA and LGA incidence across different maternal educational levels and residence location. Our results demonstrate that there has been an increase in the proportion of neonates born in the healthy birth weight range in Guangzhou.
format	article
author	Jian-Rong He Wei-Dong Li Min-Shan Lu Yong Guo Fan-Fan Chan Jin-Hua Lu Li-Fang Zhang Song-Ying Shen Xiao-Yan Xia Ping Wang Wei-Jian Mo Kin Bong Hubert Lam Jane E. Hirst Hui-Min Xia Xiu Qiu
author_facet	Jian-Rong He Wei-Dong Li Min-Shan Lu Yong Guo Fan-Fan Chan Jin-Hua Lu Li-Fang Zhang Song-Ying Shen Xiao-Yan Xia Ping Wang Wei-Jian Mo Kin Bong Hubert Lam Jane E. Hirst Hui-Min Xia Xiu Qiu
author_sort	Jian-Rong He
title	Birth weight changes in a major city under rapid socioeconomic transition in China
title_short	Birth weight changes in a major city under rapid socioeconomic transition in China
title_full	Birth weight changes in a major city under rapid socioeconomic transition in China
title_fullStr	Birth weight changes in a major city under rapid socioeconomic transition in China
title_full_unstemmed	Birth weight changes in a major city under rapid socioeconomic transition in China
title_sort	birth weight changes in a major city under rapid socioeconomic transition in china
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/7218e790e0c24d21800b34f4e3bdd0eb
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Birth weight changes in a major city under rapid socioeconomic transition in China

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