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Use of leg length to height ratio to assess the risk of childhood overweight and obesity: results from a longitudinal cohort study.
MedLine Citation:
PMID:  22226032     Owner:  NLM     Status:  In-Data-Review    
PURPOSE: To determine whether leg-length to height ratio (LLHR) measured in children can be used to assess overweight and obese status 3 years later.
METHODS: A total of 1166 children from South Ontario, Canada, were assessed in grade five and again in grade eight were included in this analysis. On the basis of LLHR gender-specific quartile cutoffs in grade five, children were categorized into four groups (Q1[low]-Q4). Gender and age specific cutoffs of body mass index were used to categorize children as overweight/obese or normal weight in grade eight. Multiple logistic regression models were used to examine the overweight/obesity risk association with LLHR.
RESULTS: In comparing those in Q1 of LLHR, we found the odds ratios (OR, 95% confidence interval) of overweight/obese for those in the Q2-Q4 were 0.60 (0.29-1.21), 0.43 (0.21-0.89), and 0.32 (0.15-0.70) for boys and 0.77 (0.36-1.64), 0.60 (0.28-1.29), and 0.27 (0.12-0.62) for girls, respectively. The overweight/obesity risk association with LLHR remains after removing those who were considered overweight/obese at grade five.
CONCLUSIONS: LLHR is associated with risk of childhood overweight/obesity. Further studies are warranted to investigate the role of LLHR on development of obesity.
Jian Liu; Nadia Akseer; Brent E Faught; John Cairney; John Hay
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annals of epidemiology     Volume:  22     ISSN:  1873-2585     ISO Abbreviation:  Ann Epidemiol     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-01-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9100013     Medline TA:  Ann Epidemiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  120-5     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Department of Community Health Sciences, Brock University, St. Catharines, Ontario, Canada.
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