State University of Feira de Santana, Feira de Santana, BA, Brazil.
State University of Londrina, Postgraduate Program in Health Sciences, Londrina, PR, Brazil.
BMC Public Health. 2022 Aug 1;22(1):1461. doi: 10.1186/s12889-022-13864-9.
Attendance in physical education classes (PE) helps young people to achieve the physical activity recommendations and to reduce their exposure to sedentary behavior. However, the association between PE attendance and the daily frequency of specific forms of physical activity is less known. The current study analyzed the association between weekly attendance in PE and daily frequencies of different forms of physical activity (active play, non-active play, structured physical activity), and overall daily frequencies of physical activity (PA) and sedentary behaviors (SB) among schoolchildren.
Cross-sectional study with schoolchildren from second to fifth grade of 11 public schools (n = 2,477; 9.1 ± 1.38-y-old; 53.2% girls; 17.5 ± 3.5 kg/m) in Feira de Santana (Northeast Brazil). PA, SB, and attendance in PE were self-reported using a previously validated on-line questionnaire based on the previous day's recall (Web-CAAFE). Multiple Binomial Negative regression modeling was carried out to analyze the association (Prevalence Rate: PR) between weekly attendance in PE (0/week, 1/week, ≥ 2/week) and frequencies of active play, non-active play, and structured physical activity, with adjustments by age, school shift, and BMI z-scores. Regression models analyzing overall PA also included adjustments by household chores.
Attendance in PE ≥ 2/week was associated with higher frequencies of active play (girls: PR = 1.40, 95%CI = 1.11-1.78; boys: PR = 1.49, 95%CI = 1.15-1.94) and structured physical activity (girls: PR = 2.11, 95%CI = 1.31-3.40; boys: PR = 4.33, 95%CI = 1.63-11.52). Higher attendance in PE (≥ 2/week) was associated with high overall PA (girls: PR = 1.31, 95%CI = 1.06-1.62; boys: PR = 1.42, 95%CI = 1.14-1.77) and low SB (girls: PR = 0.80, 95%CI = 0.71-0.90; boys: PR = 0.81, 95%CI = 0.68-0.97). Attendance in PE 1/week was also associated with a lower frequency of daily SB among girls (PR = 0.73, 95%IC = 0.64-0.84) CONCLUSION: Higher weekly attendance in PE was associated with higher frequencies of active play, structured physical activity, higher overall PA, and lower SB among both girls and boys.
参加体育课有助于年轻人达到身体活动建议并减少久坐行为的暴露。然而，体育课出勤率与特定形式的身体活动的日常频率之间的关联知之甚少。本研究分析了每周参加体育课与不同形式的身体活动（积极玩耍、非积极玩耍、结构化身体活动）以及儿童日常身体活动（PA）和久坐行为（SB）的总频率之间的关联。
这是一项横断面研究，参与者为来自巴西北部费拉迪圣安娜 11 所公立学校 2 至 5 年级的 2477 名学生（9.1±1.38 岁；53.2%为女孩；17.5±3.5kg/m）。使用之前基于前一天回忆验证过的在线问卷，自我报告 PA、SB 和体育课出勤率（Web-CAAFE）。使用多项二项式负回归模型分析每周体育课出勤率（0/周、1/周、≥2/周）与积极玩耍、非积极玩耍和结构化身体活动频率之间的关联（患病率比：PR），并进行年龄、学校班次和 BMI z 分数调整。分析整体 PA 的回归模型还包括对家务的调整。
每周体育课出勤率≥2/周与更高频率的积极玩耍（女孩：PR=1.40，95%CI=1.11-1.78；男孩：PR=1.49，95%CI=1.15-1.94）和结构化身体活动（女孩：PR=2.11，95%CI=1.31-3.40；男孩：PR=4.33，95%CI=1.63-11.52）相关。较高的体育课出勤率（≥2/周）与较高的整体 PA（女孩：PR=1.31，95%CI=1.06-1.62；男孩：PR=1.42，95%CI=1.14-1.77）和较低的 SB（女孩：PR=0.80，95%CI=0.71-0.90；男孩：PR=0.81，95%CI=0.68-0.97）相关。每周体育课出勤 1 次也与女孩的每日 SB 频率降低有关（PR=0.73，95%CI=0.64-0.84）。
较高的每周体育课出勤率与女孩和男孩的积极玩耍、结构化身体活动、更高的整体 PA 和更低的 SB 频率更高相关。
