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The association between sedentary behavior, physical activity, and physical fitness with body mass index and sleep time in chilean girls and boys: a cross-sectional study

dc.contributor.authorGodoy Cumillaf, Andrés
dc.contributor.authorFuentes-Merino, Paola
dc.contributor.authorFarías-Valenzuela, Claudio
dc.contributor.authorDuclos-Bastías, Daniel
dc.contributor.authorGiakoni-Ramírez, Frano
dc.contributor.authorBruneau-Chávez, José
dc.contributor.authorMerellano-Navarro, Eugenio
dc.date.accessioned2023-08-17T18:02:11Z
dc.date.available2023-08-17T18:02:11Z
dc.date.issued2023
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/4907
dc.description.abstractBackground: In recent decades, the school population has undergone behavioral changes that have affected their health and adult life. The current educational scenario presents high levels of sedentary behavior, physical inactivity, low physical fitness, high levels of obesity, and non compliance with sleep recommendations. In Chile, the scientific evidence on associations between these behaviors is incipient. Objective: To analyze the association between sedentary behavior, physical activity, and physical fitness with BMI and minutes of sleep in Chilean children aged 10 to 11 years. Methods: A non-probabilistic convenience sample of 222 schoolchildren aged 10 to 11 years. The variables measured were body composition (BMI), cardiorespiratory fitness (20 m shuttle run test), lower and upper muscular strength (long jump test and handgrip dynamometry), speed (4 × 10 m running), and flexibility (sit and reach test). Physical activity and sleep were measured by accelerometers. Results: Of the participants, 60.4% and 90.6% did not comply with sleep and physical activity recommendations, respectively. Physical fitness was higher in boys in all components. The results of the linear regression show that in girls, moderate–vigorous-intensity physical activity, lower and upper-body muscular strength, and cardiorespiratory endurance were associated with BMI and sleep. In boys, light-intensity physical activity and upper-body muscular strength were associated with both variables. Conclusions: Physical activity intensity, strength, and cardiorespiratory fitness were associated with BMI and sleep; however, physical activity intensity and associated physical fitness components differed by gender.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceChildren, 10(6), 981es_CL
dc.subjectCardiorespiratory fitnesses_CL
dc.subjectStrengthes_CL
dc.subjectSpeed/agilityes_CL
dc.subjectFlexibilityes_CL
dc.subjectAccelerometeres_CL
dc.subjectChildrenes_CL
dc.subjectSedentary behaviores_CL
dc.subjectSleepes_CL
dc.subjectBody mass indexes_CL
dc.titleThe association between sedentary behavior, physical activity, and physical fitness with body mass index and sleep time in chilean girls and boys: a cross-sectional studyes_CL
dc.typeArticlees_CL
dc.ucm.facultadFacultad de Ciencias de la Educaciónes_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.indexacionIsies_CL
dc.ucm.urimdpi.com/2227-9067/10/6/981es_CL
dc.ucm.doidoi.org/10.3390/children10060981es_CL


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