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The association between breastfeeding and childhood obesity: a meta-analysis

Open access
Yan, Jing, Liu, Lin, Zhu, Yun, Huang, Guowei, Wang, Peizhong Peter·2014·BMC Public Health

Abstract

BACKGROUND: The increase in childhood obesity is a serious public health concern. Several studies have indicated that breastfed children have a lower risk of childhood obesity than those who were not breastfed, while other studies have provided conflicting evidence. The objective of this meta-analysis was to investigate the association between breastfeeding and the risk of childhood obesity. METHODS: The PubMed, EMBASE and CINAHL Plus with Full Text databases were systematically searched from start date to 1st August 2014. Based on the meta-analysis, pooled adjusted odds ratio (AOR) and 95% confidence interval (CI) were calculated. I2 statistic was used to evaluate the between-study heterogeneity. Funnel plots and Fail-safe N were used to assess publication bias and reliability of results, and results from both Egger test and Begg test were reported. RESULTS: Twenty-five studies with a total of 226,508 participants were included in this meta-analysis. The studies' publication dates ranged from 1997 to 2014, and they examined the population of 12 countries. Results showed that breastfeeding was associated with a significantly reduced risk of obesity in children (AOR = 0.78; 95% CI: 0.74, 0.81). Categorical analysis of 17 studies revealed a dose-response effect between breastfeeding duration and reduced risk of childhood obesity. CONCLUSION: Results of our meta-analysis suggest that breastfeeding is a significant protective factor against obesity in children.

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Metadata

Authors
Yan, J., Liu, L., Zhu, Y., Huang, G., & Wang, P. P.
Venue
BMC Public Health
Published
2014-12
Volume
14
Issue
1
Pages
1267-1267
ISSN
1471-2458 (ISSN-L)
OpenAlex
W2050417124
Cited by
685
References
4
FWCI
5.05
Type
journal article
Language
en
Open access
gold

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