Association of low birth weight with thinness and severe obesity in children aged 3–12 years: a large-scale population-based cross-sectional study in Shanghai, China

ObjectivesLow birth weight (BW) is a general symbol of inadequate intrauterine conditions that elicit abnormal fetal growth and development. The aim of current study is to investigate the relationship between low BW and thinness or severe obesity during maturation.DesignA large-scale cross-sectional...

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Bibliographic Details
Published in:BMJ open 2019-05, Vol.9 (5), p.e028738-e028738
Main Authors: Chen, Chang, Jin, Zhijuan, Yang, You, Jiang, Fan, Huang, Hong, Liu, Shijian, Jin, Xingming
Format: Article
Language:English
Subjects:
Age
Birth weight
Body mass index
Childrens health
Cross-sectional studies
Epidemiology
Families & family life
Kidney diseases
Obesity
Population
Population-based studies
Public health
Suburban areas
Weight
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Summary:ObjectivesLow birth weight (BW) is a general symbol of inadequate intrauterine conditions that elicit abnormal fetal growth and development. The aim of current study is to investigate the relationship between low BW and thinness or severe obesity during maturation.DesignA large-scale cross-sectional population-based survey.Setting134 kindergartens and 70 elementary schools.Participants70 284 Chinese children aged 3–12 years.Outcome measuresInternational Obesity Task Force body mass index (BMI) cut-offs were used to define grade 1, grade 2 and grade 3 thinness, overweight, obesity and severe obesity. Multinomial logistic regression was used to estimate the association between BW and BMI category.ResultsA total of 70 284 children participated in the survey. The percentage of grade 1 thinness and severe obesity in children with low BW is significantly higher than that in children with normal BW (p
ISSN:2044-6055
2044-6055
DOI:10.1136/bmjopen-2018-028738