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Gazzetta Medica Italiana - Archivio per le Scienze Mediche 2020 January-February;179(1-2):1-6

DOI: 10.23736/S0393-3660.18.03955-4

Copyright © 2018 EDIZIONI MINERVA MEDICA

lingua: Inglese

Relationship between aerobic fitness and cardiometabolic disease risk in South African children

Violet K. MOSELAKGOMO 1 , Abel L. TORIOLA 2, Sunday O. ONAGBIYE 3

1 Centre for Biokinetics, Recreation and Sports Science, University of Venda, Thohoyandou, South Africa; 2 Department of Sport, Rehabilitation and Dental Sciences, Tshwane University of Technology, Pretoria, South Africa; 3 School of Public Health, University of the Western Cape, Cape Town, South Africa



BACKGROUND: This study investigated the relationship between the aerobic capacity (VO2 peak) and cardiometabolic disease (CMD) risk in South African children and adolescents.
METHODS: A total of 1361 (boys: N.= 678; girls: N.=683) primary school children (Mean age: 10.9±1.28 years), whose parents gave signed informed consent, participated in the study. Anthropometric (height, weight, circumference of the hip and waist), physiological [systolic blood pressure (SBP); diastolic blood pressure (DBP)], and cardiorespiratory fitness (CRF) [(20-meters Multistage Shuttle Run (MSR)] measurements were taken using standardised protocols. To examine the relationship between aerobic fitness and CMD risk factors, bivariate correlation analysis was undertaken.
RESULTS: Boys had significantly higher VO2peak (25.8±6.79) compared to girls (21.9±6.95) (P<0.05). There were low negative correlations between VO2peak and BMI (r=-0.054, P=0.04), WHR (r=-0.110, P<0.001) and WHtR (r=-0.055, P=0.041), while DBP (r=0.097, P<0.001) yielded low positive association. Multiple linear regression analyses also showed that BMI (β=-0.165, P=0.000), SBP (β=-0.066, P=0.03), DBP (β=0.132, P=0.000), WHR (β=-0.182, P=0.000), and WHtR (β=-0.118, P=0.012) significantly predicted VO2peak.
CONCLUSIONS: Cardiometabolic disease risks could be a significant predictor of aerobic fitness among South African children.


KEY WORDS: Oxygen consumption; Child; South Africa

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