RESUMOO objetivo do estudo foi estimar as prevalências da não participação nas aulas de Educação Física Escolar (EFE) e identificar os fatores associados. A amostra foi composta por 1471 escolares (oito a 18 anos de idade) do ensino fundamental I e II. A variável de desfecho foi autoreferrida participa e não participa das aulas. Foi utilizada análise de regressão logística múltipla pelo procedimento de eliminação retrógrada. A prevalência a não participação das aulas de EFE foi de 43,6%, pública 38,9% e particular 49,5%. Os fatores associados a não participação nas aulas de EFE foram: sexo feminino (OR: 1,30; IC 95% : 1,06-1,61), idade maior que 12 anos (OR: 1,39; IC 95% : 1,12-2,73), acima do sétimo ano (OR: 1,32; IC 95% : 1,07-2,63), uso da tecnologia acima de duas horas diárias (OR: 1,29; IC 95% : 1,05-1,60), fazer menos de três refeições diárias (OR: 1,56; IC 95% : 1.25-2,93) e o excesso de peso (OR: 1,61; IC 95% : 1,32-2,97). Isso perpassa em entender a escola e todos os educadores como elementos propulsores do processo global de educação, uma vez que a participação efetiva de crianças e adolescentes nas aulas de EFE possibilita a diminuição e exposição a comportamentos de risco à saúde em todas as fases da vida, oportunizando a conscientização dessas práticas. Palavras-chave: Adolescente. Atividade Motora. Educação Física. Escola. ABSTRACTThe objective of the study was to estimate the prevalence of non-participation in the School Physical Education classes (EFE) and to identify the associated factors. The sample consisted of 1471 schoolchildren (eight to 18 years of age) from elementary school I and II. The outcome variable was self-reported participates and does not participate in classes. Multiple logistic regression analysis was used by the retrograde elimination procedure. The prevalence of non-participation in EFE classes was 43.6%, public 38.9% and private 49.5%. The factors associated with non-participation in EFS classes were: female (OR: 1.30; 95% CI: 1.06-1.61); age greater than 12 years (OR: 1.39; 95% CI: (OR: 1.32, 95% CI: 1.07-2.63), use of the technology over two hours per day (OR: 1.29, 95% CI: 1, (OR: 1.56, 95% CI: 1.25-2.93) and overweight (OR: 1.61, 95% CI: 1.32-2, 97). This is to understand the school and all educators as elements that propel the global education process, since the effective participation of children and adolescents in EFE classes enables the reduction and exposure to health risk behaviors in all phases of life , giving an opportunity to raise awareness of these practices. IntroduçãoAs crianças e adolescentes não estão realizando atividade física na escola em aulas de Educação Física Escolar (EFE) em quantidade e qualidade de frequência, duração e intensidade suficientes para promover efeitos benéficos sobre os parâmetros morfológicos e funcionais para o benefício da promoção da saúde 1 . Um levantamento feito em Londrina (PR) analisou a duração, a intensidade e a frequência dos esforços físicos a que são submetidos os alunos, mediante monitoramento da frequência cardíaca...
Introduction: In studies directed to children and adolescents, the sedentary behavior has been usually represented by exposure to screen, which comprise the total or separate measured time exposed to television, videogame, tablets, mobile devices, and computer. Objective: To analyze the prevalence and factors associated with screen time in children and adolescents. Methods: A cross-sectional school-based study was carried out with 1,471 students from Elementary School, aged between 7 to 18 years (51.3% male), enrolled at public schools (55.6%) in Porto Velho, Rondônia (RO) state, Brazil. Excess screen time was defined as watching television, using the computer, and playing video games for more than two hours per day. Poisson regression was used to obtain crude and adjusted prevalence ratios and their respective 95% CI. Results: Overall prevalence of screen time exposure over two hours per day was 65.9%. After adjustments, risk of screen time exposure was higher in males, PR = 1.51 (95% CI: 1.08 - 1.92), under or equal to 14 years old, PR = 1.69 (95% CI: 1.48 - 1.92), in the 5th grade, PR = 1.41 (95% CI: 1.02 - 1.89), in the 6th grade, PR = 1.44 (95% CI: 1.06 - 1.97) and in the 7th grade, PR = 1.52 (95% CI: 1.09 - 2.13), attending two weekly PE classes or fewer, PR = 1.25 (95% CI: 1.07 - 1.53) ), consuming more than 3 daily meals, PR = 2.69 (95% CI: 2.14 - 3.37) and overweight, PR = 1.51 (95% CI: 1.13 - 2.03). Conclusion: The findings showed that the exposure equal to or more than two hours of daily screen time was high. The students more exposed to this outcome had the next characteristics: male sex, age less than or equal to 14 years, from the fifth, sixth, and seventh grade of elementary education, practice physical education classes less than or equal to two hours per week, consume more than three meals daily and have excess body fat (G%).
Introduction: Obesity is a chronic disease with a multifactorial etiology, brought about by a set of genetic, environmental and psychological factors. This may generate comorbidities that affect the quality of life and involve other risks to health. Objective: To describe the prevalence of overweight and obesity in school children and adolescents in Porto Velho - Rondônia, Brazil in the period 2013-2016. Methods: This study included 4165 schoolchildren aged 9 to 18 years. The students were classified as overweight and obese, according to the z score of the body mass index (BMI) for age and calculated according the WHO AnthroPlus program. Subsequently, BMI for age was categorized according to the criteria proposed by the World Health Organization (WHO, 2007): overweight (? score z +1 ? z + 2) and obese (? score z +2). Prevalence calculations were performed using the SPSS version 20.0 program. Results: Overall, the prevalence of overweight was 27.1%, being overweight 18.8% and obese 8.3%, in private schools 21.4% and 9.8%, public schools 17.0% and 7.2% respectively. The east zone predominated in both education networks 18.8% and 8.3% respectively. In males, the highest prevalence was at nine years old, 30.7% and 23.0%, and female, 24.3% and 13.8%. Conclusion: The magnitude of the prevalence of overweight and obesity was high and worrying among schoolchildren and adolescents in the city of Porto Velho, which demonstrates the need for public health actions aimed at the family unit, regardless of the social segment.
Objective: To identify the prevalence of physical inactivity in adolescent students in the city of Porto Velho, RO, Northern Brazil, and its associated factors.Methods: School-based study, conducted with 2,694 adolescents. The self-reported variable for outcome was physical inactivity. Factors associated with inactive behavior were verified by multiple logistic regression. The independent variables were inserted into the model in hierarchical blocks.Results: The overall prevalence of inactive behavior was 39.5%. Females showed a higher prevalence of physical inactivity (46.2%) than males (31.4%). Adolescents in private schools and with reports of negative health perception had a high prevalence of physical inactivity. Regarding associated factors, the female sex showed a magnitude of association of 1.84 with physical inactivity. Being in a private school was associated with a 2.54 times greater chance of physical inactivity compared to public school students. Going to school by bus, car or motorcycle was associated with a 1.29 and 1.63 higher chance of physical inactivity respectively. Adolescents who reported having a negative health perception had 1.29 higher chance of physical inactivity, while having excess body fat showed magnitude of association of 1.36 in adolescents.Conclusions: There was a high prevalence of physical inactivity in the studied adolescents. Considering that the behavior of physical inactivity adopted during adolescence may continue in adulthood, the promotion of actions that can change this behavior may improve health in the future as well as quality of life.
-The aim of this study was to identify the prevalence and concordance of excess weight (BMI) and body fat (fat %) in adolescents of both sexes from cities of Rio Branco-AC and Porto Velho-RO. This study evaluated 4,310 adolescents, 2,167 from Rio Branco and 2,143 from Porto Velho. No difference (p=0.46) for excess weight between adolescents from Rio Branco (34.8%) and Porto Velho (33.8%) was observed. Fat percentage was significantly higher (p<0.01) in adolescents from Porto Velho (59.8%) compared to those from Rio Branco (44.3%). In intra-pubertal and pubertal stages, moderate concordance was identified (p<0.01) and in pre-pubertal stage, substantial concordance was observed (p<0.01). Thus, the findings of this study point out the adequacy of screening and diagnosis of obesity and overweight, which will enable earlier approach and treatment of adolescents.Key words: Adolescents; Body fat; Body mass index; Overweight. Resumo -O objetivo deste estudo foi verificar a prevalência e a concordância de excesso de peso (IMC) e de gordura corporal (% gordura) em adolescentes de ambos os sexos das cidades de Rio
Introduction: Overweight has been reported as a public health problem. Consequently, this suggests epidemiological studies for nutritional surveillance.
Introdução: As doenças cardiovasculares representam a principal causa de morbimortalidade no Brasil. Objetivo: analisar o Risco Cardiovascular (RCV) pela medida da cintura e seus fatores associados em adolescentes do município de Porto Velho, RO. Material e Método: A amostra foi composta por 74.589 participantes do Estudo de Risco Cardiovascular em Adolescentes, envolvendo municípios acima de 100 mil habitantes. Neste estudo foi incluído apenas amostragem de Porto Velho, totalizando 706. Realizou-se uma análise multivariada de Poisson. Resultados: A proporção de RCV pela cintura foi de 10,6%, risco maior nas meninas 12,8%. No modelo final se mantiveram associadas o sexo feminino, idade entre 15 a 17 anos, excesso de peso, HDL alterado, LDL alterado, triglicerídeos alterado, pressão arterial sistêmica alterada e o HOMA-IR ? 4º quartil (p<0,05) respectivamente. Conclusão: A medida da cintura mostrou ser um bom preditor para avaliação do RCV em adolescentes, assim, reforça-se a importância de implantar e implementar a medida da cintura como meio de prevenção e controle de RCV em crianças e adolescentes, em escolas e unidades básicas de saúde.
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