Pamela L Barrios1, Raquel Garcia-Feregrino2, Juan A Rivera3, Albino Barraza-Villarreal4, Leticia Hernández-Cadena4, Isabel Romieu4,5, Ines Gonzalez-Casanova5, Usha Ramakrishnan5, Daniel J Hoffman1. 1. Department of Nutritional Sciences, Program in International Nutrition, Center for Childhood Nutrition Research, New Jersey Institute for Food, Nutrition, and Health, Rutgers, the State University of New Jersey, New Brunswick, NJ, USA. 2. Health and Nutrition Research Center, National Institute of Public Health, Cuernavaca, Mexico. 3. National Institute of Public Health, Cuernavaca, Mexico. 4. Population Health Research Center, National Institute of Public Health, Cuernavaca, Mexico. 5. Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
Abstract
BACKGROUND: Childhood obesity continues to be a global health problem. Previous research suggests that linear growth retardation or stunting during early childhood increases the risk of obesity, but others have reported that rapid linear growth poses a greater concern than early nutritional status. OBJECTIVE: The objective of this study was to determine if growth trajectories are associated with body composition at age 8-10 y. METHODS: Study participants consisted of 255 girls and 281 boys who participated in a follow-up of the Prenatal Omega-3 Fatty Acid Supplementation and Child Growth and Development (POSGRAD) Study. Sex-specific latent height class (LHC) trajectories were derived from 11 measures of height from birth to 5 y of age and used to calculate 3 distinct growth classes for boys (low, intermediate, and high) and 2 distinct classes for girls (low and high). Body composition at age 8-10 y was estimated using bioelectrical impedance analysis. Multivariable linear regression analysis was used to determine the relationship between growth trajectory classes and fat mass (FM) and fat-free mass (FFM) in late childhood, controlling for confounding factors. RESULTS: In girls, there were no significant associations between LHC and FM or FFM. In boys, relative to the intermediate LHC, the low LHC had higher FM (β = 0.69 kg; 95% CI: 0.26-1.11 kg) and the high LHC had lower FM (β = -0.40 kg; 95% CI: -0.76 to -0.05 kg). Boys in the low LHC had significantly less FFM (β = -0.69 kg; 95% CI: -1.11 to -0.26 kg), and boys in the high LHC had more FFM (β = 0.40 kg; 95% CI: 0.05-0.76 kg) compared with the intermediate LHC. CONCLUSION: Gain in height among boys, but not girls, in early childhood was associated with lower adiposity in late childhood compared with children with a slower rate of growth. Clinical trial registration number: NCT00646360.
BACKGROUND: Childhood obesity continues to be a global health problem. Previous research suggests that linear growth retardation or stunting during early childhood increases the risk of obesity, but others have reported that rapid linear growth poses a greater concern than early nutritional status. OBJECTIVE: The objective of this study was to determine if growth trajectories are associated with body composition at age 8-10 y. METHODS: Study participants consisted of 255 girls and 281 boys who participated in a follow-up of the Prenatal Omega-3 Fatty Acid Supplementation and Child Growth and Development (POSGRAD) Study. Sex-specific latent height class (LHC) trajectories were derived from 11 measures of height from birth to 5 y of age and used to calculate 3 distinct growth classes for boys (low, intermediate, and high) and 2 distinct classes for girls (low and high). Body composition at age 8-10 y was estimated using bioelectrical impedance analysis. Multivariable linear regression analysis was used to determine the relationship between growth trajectory classes and fat mass (FM) and fat-free mass (FFM) in late childhood, controlling for confounding factors. RESULTS: In girls, there were no significant associations between LHC and FM or FFM. In boys, relative to the intermediate LHC, the low LHC had higher FM (β = 0.69 kg; 95% CI: 0.26-1.11 kg) and the high LHC had lower FM (β = -0.40 kg; 95% CI: -0.76 to -0.05 kg). Boys in the low LHC had significantly less FFM (β = -0.69 kg; 95% CI: -1.11 to -0.26 kg), and boys in the high LHC had more FFM (β = 0.40 kg; 95% CI: 0.05-0.76 kg) compared with the intermediate LHC. CONCLUSION: Gain in height among boys, but not girls, in early childhood was associated with lower adiposity in late childhood compared with children with a slower rate of growth. Clinical trial registration number: NCT00646360.
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