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The role of neighbourhood socioeconomic status in large for gestational age

Abstract : Objective To determine whether neighbourhood socioeconomic status (SES) was associated with large for gestational age (LGA) while considering key sociodemographic and clinical confounding factors. Setting and patient All singleton infants whose parents were living in the city of Marseilles, France, between 2013 and 2016. Method Population-based study based on new-born hospital birth admission charts from the French National Uniform Hospital Discharge Data Set Database. LGA infants were compared to appropriate-for-gestational-age (AGA) infants. Multiple generalized logistic model analysis was used to examine factors associated with LGA. Results A total of 43,309 singleton infants were included, and 4,747 (11%) were born LGA. LGA infants were more likely to have metabolic and respiratory diseases and to be admitted to the neonatal intensive care unit. Multiparity, advanced maternal age, obesity and diabetes were associated with an increased risk of LGA. Lower neighbourhood SES was associated with LGA (aOR = 1.24, 95% CI: 1.14; 1.36; p<0.0001) independent of age, diabetes, obesity, maternal smoking and multiparity. The strength of this association increased with maternal age, reaching an aOR of 1.50 (95% CI: 1.26; 1.78; p<0.0001) for women > 35 years old. Conclusion Neighbourhood SES could be considered an important factor for clinicians to better identify mothers at risk of having LGA births in addition to well-known risk factors such as maternal diabetes, obesity and age. The intensification of the association between SES and LGA with increasing maternal age suggests that neighbourhood disadvantage may act on LGA cumulatively over time.
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Submitted on : Tuesday, May 11, 2021 - 3:41:36 PM
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Farid Boubred, Vanessa Pauly, Fanny Romain, Guillaume Fond, Laurent Boyer. The role of neighbourhood socioeconomic status in large for gestational age. PLoS ONE, Public Library of Science, 2020, 15 (6), pp.e0233416. ⟨10.1371/journal.pone.0233416⟩. ⟨hal-03224305⟩

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