alexa The Relationship of Pre-pubertal BMI Status to Post-pubertal BMI Status: An 8 Year Cohort Study | OMICS International | Abstract
ISSN: 2165-7904

Journal of Obesity & Weight Loss Therapy
Open Access

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Research Article

The Relationship of Pre-pubertal BMI Status to Post-pubertal BMI Status: An 8 Year Cohort Study

Matthew Clark1,2*, Margaret Stager1,3 and David C. Kaelber1,3,4
1Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
2Department of Obstetrics and Gynecology, University School of Medicine, Cleveland, Ohio, USA
3Department of Pediatrics, University School of Medicine, Cleveland, Ohio, USA
4Departments of Internal Medicine and Information Services, The Metro Health System, Cleveland, Ohio, USA
Corresponding Author : Matthew Clark
Case Western Reserve University School of Medicine
Cleveland, 3870 Grenville Road, University Heights, OH 44118, Ohio, USA
Tel: (216) 632-3494
E-mail: [email protected]
Received May 31, 2013; Accepted July 09, 2013; Published July 11, 2013
Citation: Clark M, Stager M, Kaelber DC (2013) The Relationship of Pre-pubertal BMI Status to Post-pubertal BMI Status: An 8 Year Cohort Study. J Obes Weight Loss Ther 3:182. doi:10.4172/2165-7904.1000182
Copyright: © 2013 Clark M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Objective: To investigate body mass index (BMI) percentile trends in a longitudinal cohort through puberty and to identify factors associated with post-pubertal overweight/obese BMI percentile status. Methods: A retrospective cohort study of 760 children over eight years in a large academic healthcare system. Each child had one pre-puberty visit during 1999-2000 while aged 6-11 and one post-puberty visit during 2006-2007. Demographic and BMI data was collected on all subjects. For pre-pubertal overweight/obese subjects (BMI ≥ 85th percentile), additional data was reviewed. Results: Overall, rates of overweight/obesity increased from 39% to 46% from pre to post puberty, respectively. Neither race/ethnicity nor gender was associated with increased post-pubertal BMI percentile. Twenty percent of children with normal pre-puberty BMI percentile progressed to being overweight/obese. A high normal pre-pubertal BMI (72nd-84th percentile) was predictive of post-pubertal overweight/obese status. Having a post-puberty overweight/ obese BMI percentile was 20.4 times more likely if the pre-puberty BMI was ≥ 85th percentile. Pre-puberty overweight/ obese subjects were less likely to be obese post-puberty if they met with a nutritionist/dietician. Few overweight/obese subjects had a provider-documented diagnosis of overweight/obese pre-puberty and weight related co-morbidities doubled through puberty, but neither influenced post-pubertal BMI percentile status. Conclusions: A pre-pubertal BMI at high normal (72nd-84th percentile), or a BMI ≥ 85th percentile, but not race/ ethnicity or gender, are risk factors for an overweight/obese BMI status post-puberty. Most children do not out grow their overweight/obese status through puberty, signifying the need for improved, earlier identification of and intervention for the pre-pubertal overweight/obese children and those near overweight (BMI ≥ 72nd percentile).

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