Document Detail

BMI-based obesity cutoffs and excess adiposity in a Caribbean adolescent population of African origin.
MedLine Citation:
PMID:  17882133     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To evaluate the diagnostic utility of recommended body mass index (BMI)-based classification systems in detecting excess body fat (BF) in an Afro-Caribbean adolescent population. SUBJECTS: All adolescents aged 12-18 years were invited to participate in the study. A total of 3749 persons participated fully in the study. RESULT: Males (12.2%) (95% confidence interval (CI): 10.7, 13.9) and females (43.6%) (95% CI: 41.5, 45.7) had excess adiposity. Specificities were high for all cutoff values (range 90.1-99.7%). Sensitivities ranged from 25.7 to 86.4% and from 15.6 to 54.4% for Centre for Disease Control (CDC) and International Obesity Task Force (IOTF) cutoff values, respectively. The mean areas under the receiver-operating characteristic curves ranged from 62.7 to 88.2% in males and 57.7 to 75.1% in females, while positive likelihood ratios ranged from 8.7 to 90.9 for the recommended BMI cutoff values. CONCLUSIONS: Overall, the CDC cutoffs had a higher sensitivity than the IOTF cutoffs in screening for excess fat. Specificities were high for cutoff values in both systems and would produce fewer false negatives.
S D Nichols; F Cadogan
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Publication Detail:
Type:  Journal Article; Validation Studies     Date:  2007-09-19
Journal Detail:
Title:  European journal of clinical nutrition     Volume:  63     ISSN:  1476-5640     ISO Abbreviation:  Eur J Clin Nutr     Publication Date:  2009 Feb 
Date Detail:
Created Date:  2009-02-04     Completed Date:  2009-04-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804070     Medline TA:  Eur J Clin Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  253-8     Citation Subset:  IM    
Department of Agricultural Economics and Extension, University of the West Indies, St Augustine, Trinidad and Tobago.
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MeSH Terms
Adipose Tissue*
Adiposity / ethnology*
African Continental Ancestry Group*
Area Under Curve
Body Mass Index*
Body Size
Electric Impedance / diagnostic use
Obesity / diagnosis*,  ethnology
Reference Values
Reproducibility of Results
Sensitivity and Specificity
Sex Factors
Skinfold Thickness
Trinidad and Tobago

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