Variability of Thinness and its Relation to Cardio-metabolic Risk Factors using Four Body Mass Index References in School-children from Delhi, India.
Indian Pediatr
;
2013 November; 50(11): 1025-1032
Article
in English
| IMSEAR
| ID: sea-170050
ABSTRACT
Objectives:
To compare (i) prevalences of thinness in schoolchildren by four body mass index references in common use viz., Centre for Disease Control (CDC); Cole; Indian Academy of Pediatrics (IAP); World Health Organization (WHO); and (ii) relationship of thinness with absence of cardio-metabolic risk factors in these BMI references.Design:
Cross-sectional.Setting:
Schools in Delhi.Participants:
Anthropometry and blood pressure were measured in 16,245 school children aged 5 to 18 years. Fasting lipids and blood sugar were estimated in 2796 subjects. Outcomemeasures:
Age and sex-specific prevalences of thinness and predictive ability of reference cut-off for detecting any cardio-metabolic risk factor were compared.Results:
Prevalence of thinness varied with the reference employed; more so for boys. Overall prevalence of thinness was least with IAP reference and highest with CDC cut-offs (6.6% to 16.9% in boys, 6.5% to 10.3% in girls). Children identified as thin by any reference had comparable, significantly lower risks (OR 0.59 to 0.73) of associated cardio-metabolic aberrations. In subjects with any cardio-metabolic or blood pressure aberration, the prevalence of thinness was highest with CDC and least with IAP definition.Conclusion:
Prevalence of thinness varies considerably with the reference employed. Thin children, identified by any reference, have a lower risk of associated cardio-metabolic aberrations; however, thinness is a poor diagnostic test for this purpose. In populations undergoing nutrition transition, there is a need to link cardio-metabolic risk factors with recommended anthropometric criteria to define undernutrition.
Full text:
Available
Index:
IMSEAR (South-East Asia)
Type of study:
Etiology study
/
Prognostic study
/
Risk factors
Language:
English
Journal:
Indian Pediatr
Year:
2013
Type:
Article
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