{"id":8728,"date":"2025-07-23T11:57:00","date_gmt":"2025-07-23T09:57:00","guid":{"rendered":"https:\/\/fhu-premimpact.org\/?post_type=publication&#038;p=8728"},"modified":"2025-09-08T14:08:45","modified_gmt":"2025-09-08T12:08:45","slug":"suboptimal-bmi-in-5-year-old-children-born-very-preterm-a-european-multicountry-cohort","status":"publish","type":"publication","link":"https:\/\/fhu-premimpact.org\/en\/publications\/suboptimal-bmi-in-5-year-old-children-born-very-preterm-a-european-multicountry-cohort\/","title":{"rendered":"Suboptimal BMI in 5-year-old children born very preterm: a European multicountry cohort."},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Abstract<\/h2>\n\n\n\n<p><strong>Objective:<\/strong> The objective is to investigate the prevalence of underweight and overweight and obesity (OWOB) and associated risk factors among 5-year-old children born very preterm (VPT).<\/p>\n\n\n\n<p><strong>Design:<\/strong> Multinational area-based cohort study of children born VPT.<\/p>\n\n\n\n<p><strong>Setting:<\/strong> 19 regions in 11 European countries.<\/p>\n\n\n\n<p><strong>Patients:<\/strong> Children born before 32 weeks of gestational age in 2011-2012 and followed up at 5 years of age.<\/p>\n\n\n\n<p><strong>Main outcome measures:<\/strong> Body mass index (BMI) at 5 years of age was classified into underweight and OWOB using International Obesity Task Force references, and associations with sociodemographic, perinatal and neonatal risk factors were assessed using multinomial logistic regression. Data came from medical records during the neonatal hospitalisation and parental questionnaires at 5 years of age. Models accounted for missing data and attrition by using multiple imputation by chained equations and inverse probability weighting.<\/p>\n\n\n\n<p><strong>Results:<\/strong> 27.6% of children were underweight and 10.8% were OWOB. Younger maternal age was associated with lower risks of underweight, while low maternal education, household unemployment and non-European maternal country of birth were associated with having OWOB. Fetal growth restriction, receiving postnatal steroids and bronchopulmonary dysplasia were associated with underweight, and fetal growth restriction, male sex and multiple birth were negatively associated with OWOB.<\/p>\n\n\n\n<p><strong>Conclusions:<\/strong> 38% of children born VPT had suboptimal BMI at 5 years, principally due to being underweight, with differing risk factors for underweight and OWOB. These results raise questions about underlying mechanisms and the growth trajectories and metabolic outcomes of underweight children, in light of high prevalence and association with clinical risk<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arch Dis Child Fetal Neonatal Ed. 2025 Jul 23:fetalneonatal-2025-328942. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-8728","publication","type-publication","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Suboptimal BMI in 5-year-old children born very preterm: a European multicountry cohort. - FHU Prem&#039;IMPACT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fhu-premimpact.org\/en\/publications\/suboptimal-bmi-in-5-year-old-children-born-very-preterm-a-european-multicountry-cohort\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Suboptimal BMI in 5-year-old children born very preterm: a European multicountry cohort. - 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