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Socioeconomic and Environmental Determinants to Preterm Birth in Tibetan Women: An Analysis Based on the Hierarchically Conceptual Frame

BACKGROUND: Preterm birth is a common cause of death in newborns and may result from many determinants, but evidence for the socioeconomic and environmental determinants of preterm birth in Tibetan women of childbearing age is limited. The aim of this study was to understand the current status of pr...

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Autores principales: Fan, Xiao-Jing, Gao, Jian-Min, Kang, Yi-Jun, Dang, Shao-Nong, Wang, Wei-Hua, Yan, Hong, Wang, Duo-Lao
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Medknow Publications & Media Pvt Ltd 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5634080/
https://www.ncbi.nlm.nih.gov/pubmed/28937036
http://dx.doi.org/10.4103/0366-6999.215341
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author Fan, Xiao-Jing
Gao, Jian-Min
Kang, Yi-Jun
Dang, Shao-Nong
Wang, Wei-Hua
Yan, Hong
Wang, Duo-Lao
author_facet Fan, Xiao-Jing
Gao, Jian-Min
Kang, Yi-Jun
Dang, Shao-Nong
Wang, Wei-Hua
Yan, Hong
Wang, Duo-Lao
author_sort Fan, Xiao-Jing
collection PubMed
description BACKGROUND: Preterm birth is a common cause of death in newborns and may result from many determinants, but evidence for the socioeconomic and environmental determinants of preterm birth in Tibetan women of childbearing age is limited. The aim of this study was to understand the current status of preterm birth in native Tibetan women and investigate the socioeconomic and environmental determinants. METHODS: Data were drawn from a cohort study which was conducted from August 2006 to August 2012 in rural Lhasa, Tibet, China. A total of 1419 Tibetan pregnant women were followed from 20 weeks’ gestation until delivery; the loss to follow-up rate was 4.69%. The incidence of preterm birth was estimated to show the status of preterm births in Tibet. Logistic regression models for longitudinal data were established, and odds ratios (ORs) together with 95% confidence intervals (CIs) were used to evaluate the association between the occurrence of preterm birth and 16 selected potential determinants based on the hierarchical conceptual frame. RESULTS: The incidence of preterm birth was 4.58% (95% CI = 3.55–5.80%). After adjusting for health-related variables of the mothers and newborns, socioeconomic and environmental determinants associated with preterm birth included season (spring: OR = 0.28, 95% CI = 0.09–0.84; autumn: OR = 0.21, 95% CI = 0.06–0.69; and winter: OR = 0.31, 95% CI = 0.12–0.82) and calendar year of delivery (2010: OR = 5.03, 95% CI = 1.24–20.35; 2009: OR = 6.62, 95% CI = 1.75–25.10; and 2007–2008: OR = 5.93, 95% CI = 1.47–23.90). CONCLUSIONS: The incidence of preterm birth among native Tibetan women was low and there was a decreasing trend in recent years; however, it is still essential to strengthen seasonal maternal care, extend the spacing between pregnancies, and reinforce adequate maternal nutrition.
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spelling pubmed-56340802017-10-11 Socioeconomic and Environmental Determinants to Preterm Birth in Tibetan Women: An Analysis Based on the Hierarchically Conceptual Frame Fan, Xiao-Jing Gao, Jian-Min Kang, Yi-Jun Dang, Shao-Nong Wang, Wei-Hua Yan, Hong Wang, Duo-Lao Chin Med J (Engl) Original Article BACKGROUND: Preterm birth is a common cause of death in newborns and may result from many determinants, but evidence for the socioeconomic and environmental determinants of preterm birth in Tibetan women of childbearing age is limited. The aim of this study was to understand the current status of preterm birth in native Tibetan women and investigate the socioeconomic and environmental determinants. METHODS: Data were drawn from a cohort study which was conducted from August 2006 to August 2012 in rural Lhasa, Tibet, China. A total of 1419 Tibetan pregnant women were followed from 20 weeks’ gestation until delivery; the loss to follow-up rate was 4.69%. The incidence of preterm birth was estimated to show the status of preterm births in Tibet. Logistic regression models for longitudinal data were established, and odds ratios (ORs) together with 95% confidence intervals (CIs) were used to evaluate the association between the occurrence of preterm birth and 16 selected potential determinants based on the hierarchical conceptual frame. RESULTS: The incidence of preterm birth was 4.58% (95% CI = 3.55–5.80%). After adjusting for health-related variables of the mothers and newborns, socioeconomic and environmental determinants associated with preterm birth included season (spring: OR = 0.28, 95% CI = 0.09–0.84; autumn: OR = 0.21, 95% CI = 0.06–0.69; and winter: OR = 0.31, 95% CI = 0.12–0.82) and calendar year of delivery (2010: OR = 5.03, 95% CI = 1.24–20.35; 2009: OR = 6.62, 95% CI = 1.75–25.10; and 2007–2008: OR = 5.93, 95% CI = 1.47–23.90). CONCLUSIONS: The incidence of preterm birth among native Tibetan women was low and there was a decreasing trend in recent years; however, it is still essential to strengthen seasonal maternal care, extend the spacing between pregnancies, and reinforce adequate maternal nutrition. Medknow Publications & Media Pvt Ltd 2017-10-05 /pmc/articles/PMC5634080/ /pubmed/28937036 http://dx.doi.org/10.4103/0366-6999.215341 Text en Copyright: © 2017 Chinese Medical Journal http://creativecommons.org/licenses/by-nc-sa/3.0 This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.
spellingShingle Original Article
Fan, Xiao-Jing
Gao, Jian-Min
Kang, Yi-Jun
Dang, Shao-Nong
Wang, Wei-Hua
Yan, Hong
Wang, Duo-Lao
Socioeconomic and Environmental Determinants to Preterm Birth in Tibetan Women: An Analysis Based on the Hierarchically Conceptual Frame
title Socioeconomic and Environmental Determinants to Preterm Birth in Tibetan Women: An Analysis Based on the Hierarchically Conceptual Frame
title_full Socioeconomic and Environmental Determinants to Preterm Birth in Tibetan Women: An Analysis Based on the Hierarchically Conceptual Frame
title_fullStr Socioeconomic and Environmental Determinants to Preterm Birth in Tibetan Women: An Analysis Based on the Hierarchically Conceptual Frame
title_full_unstemmed Socioeconomic and Environmental Determinants to Preterm Birth in Tibetan Women: An Analysis Based on the Hierarchically Conceptual Frame
title_short Socioeconomic and Environmental Determinants to Preterm Birth in Tibetan Women: An Analysis Based on the Hierarchically Conceptual Frame
title_sort socioeconomic and environmental determinants to preterm birth in tibetan women: an analysis based on the hierarchically conceptual frame
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5634080/
https://www.ncbi.nlm.nih.gov/pubmed/28937036
http://dx.doi.org/10.4103/0366-6999.215341
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