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ORIGINAL ARTICLE  EPIDEMIOLOGY AND CLINICAL MEDICINE 

The Journal of Sports Medicine and Physical Fitness 2020 December;60(12):1567-75

DOI: 10.23736/S0022-4707.20.11130-7

Copyright © 2020 EDIZIONI MINERVA MEDICA

lingua: Inglese

Physical fitness as a moderator in the relationship between adiposity and cardiometabolic risk factors in children and adolescents

Caroline BRAND 1 , Ana P. SEHN 1, Anelise R. GAYA 2, Jorge MOTA 3, Javier BRAZO-SAYAVERA 4, Jane D. RENNER 1, Cézane P. REUTER 1

1 Graduate Program in Health Promotion, University of Santa Cruz do Sul (UNISC), Santa Cruz do Sul, Brazil; 2 School of Physical Education, Physiotherapy and Dance, Federal University of Rio Grande do Sul, Porto Alegre, Brazil; 3 Faculty of Sport, University of Porto, Porto, Portugal; 4 Polo de Desarrollo Universitario EFISAL, Centro Universitario Regional Noreste, University of the Republic, Rivera, Uruguay



BACKGROUND: The aim of this study was to verify the moderator role of physical fitness in the relationship between adiposity and cardiometabolic risk factors in normal weight and overweight/obese children and adolescents.
METHODS: Cross-sectional study comprising 2482 children and adolescents, aged 7-17 years. Physical fitness was evaluated according the procedures of Projeto Esporte Brazil, and waist circumference (WC) with an inelastic tape. Cardiometabolic risk score was defined by the z-score sum of glucose, total cholesterol, high-density lipoprotein cholesterol and low-density lipoprotein cholesterol. Moderation analysis was done through linear regression models.
RESULTS: Significant interaction term for cardiorespiratory fitness (CRF)×WC with cardiometabolic risk factors (P<0.001), as well as for lower limbs strength (LLS)×WC (P<0.001) and agility × WC (P=0.01) in normal weight girls. For normal weight boys it was found a significant interaction term for CRF×WC with cardiometabolic risk factor (P=0.007), and also for agility × WC (P=0.003), while overweight/obese boys showed a significant interaction term only for agility × WC with cardiometabolic risk factor (P=0.001).
CONCLUSIONS: CRF, LLS and agility are moderators in the relationship between WC and cardiometabolic risk factors in normal weight girls, while CRF and agility were moderators for normal weight boys and only agility for overweight/obese boys.


KEY WORDS: Physical fitness; Obesity, abdominal; Health; Child; Adolescent

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