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Participation frequency in physical education classes and physical activity and sitting time in Brazilian adolescents.

ABSTRACT: INTRODUCTION:To examine the association between participation frequency per week in physical education (PE) classes and physical activity (PA) and sitting time levels in adolescents according to the economic development level of the region of residence. METHODS:A cross-sectional study with a sample representative of Brazil was carried out with 12,220 students aged 11-19 years. Participation frequency per week in PE classes, moderate-to-vigorous PA (MVPA), PA during PE classes, active commuting, PA outside of school hours, total accumulated PA, time sitting in front of the TV and total sitting time were assessed by using a self-administered questionnaire. RESULTS:Adolescents who reported having PE classes were more likely to meet MVPA recommendations (1-2 PE class/week-OR: 1.3, 95%CI: 1.1-1.5; ?3 PE class/week-OR: 2.0, 95%CI: 1.7-2.5), spent more time in PA outside of school hours (1-2 PE class/week-OR: 1.6, 95%CI: 1.4-1.9; ?3 PE class/week-OR: 2.0, 95%CI: 1.5-2.6), and accumulated more PA (1-2 PE class/week-OR: 1.9, 95%CI: 1.6-2.2; ?3 PE class/week-OR: 6.0, 95%CI: 4.0-8.9) than students who reported not taking PE classes. Boys from regions with higher Human Development Index (HDI) who took ?3 PE classes/week were more likely to have higher levels of active commuting (OR: 1.4, 95%CI: 1.1-1.9) and less likely of getting in front of TV (OR: 0.7, 95%CI: 0.5-0.9). Adolescents from regions with higher HDI were more likely to have more time spent in PA during PE classes (Male-OR: 2.7, 95%CI: 2.4-3.1; Female-OR = 3.2, 95%CI: 2.8-3.7). CONCLUSIONS:Having PE classes is associated with a higher level of PA in both sexes and in both regions and lower level of sitting time in boys from regions with higher HDI.

SUBMITTER: Silva DAS

PROVIDER: S-EPMC6415839 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Participation frequency in physical education classes and physical activity and sitting time in Brazilian adolescents.

Silva Diego Augusto Santos DAS Chaput Jean-Philippe JP Tremblay Mark S MS

PloS one 20190313 3

<h4>Introduction</h4>To examine the association between participation frequency per week in physical education (PE) classes and physical activity (PA) and sitting time levels in adolescents according to the economic development level of the region of residence.<h4>Methods</h4>A cross-sectional study with a sample representative of Brazil was carried out with 12,220 students aged 11-19 years. Participation frequency per week in PE classes, moderate-to-vigorous PA (MVPA), PA during PE classes, act ...[more]

PMID: 30865705

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Project description:Objective: The aim of this study was to examine the independent and combined associations of physical activity (PA) and sitting time (ST) with long-term mortality attributed to inflammatory causes other than cardiovascular disease (CVD) and cancer in a national cohort of older adults in Spain. Design: Prospective study. Setting and Participants: A cohort of 3,677 individuals (1,626 men) aged ?60 years was followed-up during 14.3 years. Measures: At baseline, individuals reported PA and ST. The study outcome was death from inflammatory diseases when CVD or cancer mortality was excluded. This outcome was classified into infectious and non-infectious conditions. Analyses were performed with Cox regression and adjusted for PA, ST, and other main confounders (age, sex, educational level, smoking, alcohol consumption, body mass index, and chronic conditions). Results: During follow-up, 286 deaths from inflammatory diseases (77 from infectious diseases) were identified. Compared to individuals who defined themselves as inactive/less active, mortality from inflammatory diseases was lower in those who were moderately active (hazard ratio [HR] = 0.67, 95% confidence interval [CI] = 0.50-0.90) or very active (HR = 0.48, 95%CI = 0.33-0.68), independently of ST. Also, being seated ?7 h/d vs. <7 h/d was linked to higher mortality (HR = 1.38, 95%CI = 1.02-1.87). The largest risk of mortality was observed in inactive/less active individuals with ST?7 h/d (HR = 2.29, 95%CI = 1.59-3.29) compared to those with moderate/very PA and ST <7 h/d. Low PA and high ST were consistently associated with a higher risk of mortality from non-infectious inflammatory causes. Associations of PA and ST with mortality from infectious inflammatory causes showed a similar trend, but most of them did not reach statistical significance. Conclusions: Low PA and high ST were independently associated with higher mortality from inflammatory diseases other than CVD or cancer in older adults. Interventions addressing simultaneously both behaviors could have greater benefits than those focusing on only one of them.

Dataset Information

Participation frequency in physical education classes and physical activity and sitting time in Brazilian adolescents.

Publications

Participation frequency in physical education classes and physical activity and sitting time in Brazilian adolescents.

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