Metabolic Risk Varies According to Waist Circumference Measurement Site in Overweight Boys and Girls - 07/03/14
Reprint requests: Geoff D. C. Ball, PhD, RD, Assistant Professor, Department of Pediatrics, University of Alberta, Room 8228, Aberhart Centre, 11402 University Ave, Edmonton, AB, T6G 2R7, Canada.Abstract |
Objectives |
To compare waist circumference (WC) values measured at 4 commonly recommended sites and examine the relationships between WC sites and markers of metabolic risk in a sample of overweight boys and girls referred for weight management.
Study design |
Overweight (mean body mass index percentile, 98.7; SD, 1.0) children and adolescents (n = 73; 41 girls, 32 boys; mean age, 12.5 years; SD, 2.6 years) had WC measured at 4 sites: iliac crest (WC1), narrowest waist (WC2), midpoint between the floating rib and iliac crest (WC3), and umbilicus (WC4). Height, weight, fasting insulin level, glucose level, cholesterol level, and systolic and diastolic blood pressure were also measured.
Results |
Overall, WC1 (108.5 cm; SD, 16.3 cm) was greater than WC2 (97.4 cm; SD, 13.6 cm; P < .003), and WC2 was smaller than WC3 (104.3 cm; SD, 15.3 cm; P = .02) and WC4 (108.7 cm; SD, 16.2 cm; P < .0003). With logistic regression, WC2 and WC3 were revealed to be more consistently associated with metabolic syndrome by using 3 different definitions.
Conclusion |
In our sample, we observed differences in 4 commonly recommended WC measurement sites and found that all sites were not equivalently associated with metabolic risk. Our findings provide preliminary support suggesting that WC measured at the narrowest waist and midpoint between the floating rib and iliac crest may represent the measurement sites most closely associated with metabolic risk in overweight boys and girls.
Le texte complet de cet article est disponible en PDF.Mots-clés : BMI, CVD, DBP, HOMA-IR, HDL, IDF, LDL, MetS, NCEP, NHANES, OR, PCWH, SBP, T2DM, WC
Plan
| Supported by a Research Trainee Grant (awarded to Dr Johnson) from the Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada. Dr Rosychuk is supported by a Population Health Investigator (PHI) Award from the Alberta Heritage Foundation for Medical Research (AHFMR). Dr Ball is supported by a PHI from AHFMR and a New Investigator Award from the Canadian Institutes of Health Research. Contents of this paper do not necessarily represent the views or policies of the US National Institutes of Health. The authors declare no conflicts of interest. |
Vol 156 - N° 2
P. 247 - février 2010 Retour au numéro
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