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      Association between body mass index percentile trajectories in infancy and adiposity in childhood and early adulthood

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          Abstract

          Objective

          To identify distinct body mass index (BMI) percentile trajectories during early childhood and examine adiposity levels in childhood and early adulthood according to the BMI percentile trajectories.

          Methods

          Iowa Fluoride Study cohort parents (n=1,093) reported their child’s anthropometric data on average six times between age 0 and 23 months. A subset of the cohort underwent DXA scans at approximately age 8 years (n=495) and again at approximately age 19 years (n=314). Group-based trajectory analysis was conducted to identify distinct BMI percentile trajectories from age 0–23 months. Sex-specific age-adjusted linear regression analyses were conducted to compare fat mass index (FMI) in childhood and early adulthood among subgroups that follow the distinct BMI percentile patterns.

          Results

          Four BMI percentile patterns were identified: consistently-low (Group1: 9.8%), increase-in-the-second-year (Group2: 33.7%), increase-in-the-first-year (Group3: 23.9%), and consistently-high (Group4: 32.6%). Compared to Group2 females, Groups 3 and 4 females had higher FMI in childhood and early adulthood (P<0.05). However, no significant difference was found in males.

          Conclusion

          Females who experiences a steep increase of BMI percentile in the first year of life, as opposed to a steep increase in the second year of life, may have higher body fat later in life, but not for males.

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          Author and article information

          Journal
          101264860
          32902
          Obesity (Silver Spring)
          Obesity (Silver Spring)
          Obesity (Silver Spring, Md.)
          1930-7381
          1930-739X
          13 September 2016
          02 November 2016
          January 2017
          01 January 2018
          : 25
          : 1
          : 166-171
          Affiliations
          [1 ]Stanley Manne Children’s Research Institute, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL
          [2 ]Department of Health and Human Physiology, University of Iowa, Iowa City, IA
          [3 ]Department of Epidemiology, University of Iowa, Iowa City, IA
          [4 ]Department of Preventive and Community Dentistry, University of Iowa, Iowa City, IA
          Author notes
          CONTACT INFO: Soyang Kwon, PhD, skwon@ 123456luriechildrens.org , 225 E Chicago Ave. Box 157, Chicago, IL 60611, Office phone: 1-312-227-7033, Office fax: 1-312-227-9523
          Article
          PMC5182145 PMC5182145 5182145 nihpa814483
          10.1002/oby.21673
          5182145
          27804242
          6c829a0e-5f0d-49bd-89d4-0d6df3f6ab32
          History
          Categories
          Article

          DXA,youth,infants,obesity,fat mass index,group-based trajectory analysis

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