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Extreme Preterm Infant Rates of Overweight and Obesity at School Age in the SUPPORT Neuroimaging and Neurodevelopmental Outcomes Cohort
Authors
Barbara Alksninis
Carla M. Bann
+31 more
Monika Bhola
Dorothy Bulas
Michael S. Caplan
Abhik Das
Julie DiFiore
Avroy A. Fanaroff
Harriet G. Friedman
Angelita M. Hensman
Roy Heyne
Rosemary D. Higgins
Susan R. Hintz
Alan H. Jobe
Katharine Johnson
Mary Lenore Keszler
Andrea M. Knoll
Abbot R. Laptook
Theresa M. Leach
Emilee Little
Elisabeth C. McGowan
Nancy S. Newman
Allison Payne
Richard A. Polin
Bonnie S. Siner
H. Gerry Taylor
Elisa Vieira
Betty R. Vohr
Michele C. Walsh
Victoria E. Watson
Deanne E. Wilson-Costello
Gulgun Yalcinkaya
Arlene Zadell
Publication date
1 September 2018
Publisher
Health Sciences Research Commons
Abstract
© 2018 Elsevier Inc. Objective: To identify rates of overweight (body mass index [BMI] ≥85th percentile) and obesity (BMI ≥95th percentile) at 6-7 years of age and associated risk factors among extremely preterm infants born at \u3c28 weeks of gestation. Study design: Anthropometrics, blood pressure, and active and sedentary activity levels were prospectively assessed. Three groups were compared, those with a BMI ≥85th percentile (overweight or obese for age, height, and sex) and ≥95th percentile (obese) vs \u3c85th percentile. Multiple regression analyses estimated the relative risks of BMI ≥85th percentile and ≥95th percentile associated with perinatal and early childhood factors. Results: Of 388 children, 22% had a BMI of ≥85th percentile and 10% were obese. Children with obesity and overweight compared with normal weight children had higher body fat (subscapular skinfold and triceps skinfold \u3e85th percentile), central fat (waist circumference \u3e90th percentile), spent more time in sedentary activity (20.5 vs 18.2 vs 16.7 hours/week), and had either systolic and/or diastolic hypertension (24% vs 26% vs 14%), respectively. Postdischarge weight gain velocities from 36 weeks postmenstrual age to 18 months, and 18 months to 6-7 years were independently associated with a BMI of ≥85th percentile, whereas weight gain velocity from 18 months to 6-7 years was associated with obesity. Conclusions: One in 5 former extremely preterm infants is overweight or obese and has central obesity at early school age. Postdischarge weight gain velocities were associated with overweight and obesity. These findings suggest the obesity epidemic is spreading to the most extremely preterm infants. Trial registration: ClinicalTrials.gov: NCT00063063 and NCT0000
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