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Scaling waist girth for differences in body size reveals a new improved index associated with cardiometabolic risk.

Nevill, Alan M and Duncan, Michael J and Lahart, Ian M and Sandercock, Gavin R (2017) 'Scaling waist girth for differences in body size reveals a new improved index associated with cardiometabolic risk.' Scandinavian Journal of Medicine and Science in Sports, 27 (11). pp. 1470-1476. ISSN 0905-7188

SJMSS Scaling waist with perspective revision v2.pdf - Accepted Version

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Our aim was to examine whether a new ratio, waist divided by height<sup>0.5</sup> (WHT.5R), is both independent of stature and a stronger predictor of cardiometabolic risk (CMR) than other anthropometric indices. Subjects (4117 men and 646 women), aged 20-69 years, were assessed for stature (cm), mass (kg), waist, and hip girths (cm) from which body mass index (BMI), waist-to-hip ratio (WHR), waist-to-height ratio (WHTR), and two new indices, a body shape index (ABSI) and WHT.5R, were determined. We used the allometric power law, W = a.HT<sup>b</sup> , to obtain a simple body shape index for waist girth (W) to be independent of stature (HT). Physical activity was determined using self-report, and physical fitness was determined using the Bruce protocol. Glucose, total cholesterol, low-density lipoprotein, high-density lipoprotein, triglycerides, and TC/HDL ratio were determined from fasting venous blood samples. A single CMR composite score was derived from log-transformed z-scores of Triglycerides + average blood pressure ((diastolic + systolic)/2) + glucose + HDL (*-1). Results confirmed WHT.5R to be independent of stature and the strongest predictor of CMR, compared with BMI, WC, WHR, ABSI, and WHTR. We also found that CMR scores decline significantly with increasing fitness and physical activity, confirming that being fit and active can compensate for the adverse effects of being fat as measured by all other anthropometric indices. In conclusion, WHT.5R was the best anthropometric index associated with CMR, and being both physically fit and active has a protective effect on CMR, irrespective of weight status.

Item Type: Article
Uncontrolled Keywords: Humans; Cardiovascular Diseases; Lipids; Body Mass Index; Body Size; Body Height; Waist-Hip Ratio; Exercise; Risk Factors; Blood Pressure; Physical Fitness; Adult; Aged; Middle Aged; Female; Male; Young Adult
Divisions: Faculty of Science and Health
Faculty of Science and Health > Sport, Rehabilitation and Exercise Sciences, School of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 27 Jan 2021 12:01
Last Modified: 06 Jan 2022 15:05

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