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.accessioned2023-09-07T22:06:11Z
dc.date.available2023-09-07T22:06:11Z
dc.date.issued2023-05
dc.descriptionIndexación: Scopuses
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. © 2023 by the authors.es
dc.description.urihttps://www.mdpi.com/2227-9067/10/6/981
dc.identifier.citationChildren Volume 10, Issue 6May 2023 Article number 981es
dc.identifier.doi10.3390/children10060981
dc.identifier.issn2227-9067
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/53092
dc.language.isoenes
dc.publisherMDPIes
dc.rights.licenseAtribución 4.0 Internacional (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectAccelerometeres
dc.subjectBody mass indexes
dc.subjectCardiorespiratory fitnesses
dc.subjectChildrenes
dc.subjectFlexibilityes
dc.subjectSedentary behaviores
dc.subjectSleepes
dc.subjectSpeed/agilityes
dc.subjectStrengthes
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
dc.typeArtículoes
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