Objective To explore the relationship between junior high school students’ lifestyles and 20 m shuttle run test (20 m SRT) performance, so as to provide a theoretical basis for promoting a healthy lifestyle among junior high school students.
Methods From April to June 2021, a total of 2 397 junior high school students aged 12–17 years in Yushan, Wuyuan, Hengfeng and Yugan counties of Shangrao City, Jiangxi Province were selected by random cluster stratified sampling. A questionnaire survey and 20 m SRT test were conducted. Logistic regression analysis was used to explore the association between lifestyles and 20 m SRT scores.
Results The passing rate of 20 m SRT for middle school students was 83.3%. Chi-square test results showed that there were statistically significant differences between gender, grade, household registration, type of schooling, father’s education and the 20 m SRT scores of junior high school students (χ 2=25.26, 25.04, 6.99, 7.96, 16.22, P<0.05). Significant differences were found in 20 m SRT scores between vigorous and moderate physical activity and breakfast behavior in the last seven days (χ 2=6.78, 6.29, 9.13, P<0.05). The results of Logistic regression analysis showed that after controlling for confounding factors, “no vigorous physical activity in the last seven days” was positively correlated with the lower performance of 20 m SRT ( OR = 1.31, 95% CI = 1.03-1.67, P<0.05). “Breakfast skipping” was positively correlated with 20 m SRT lower performance (frequent eating, OR =1.37, 95% CI = 1.09-1.73, P<0.01).
Conclusion Vigorous physical activity and regular breakfast consumption behavior are associated with higher performance 20 m SRT of junior high school students. Schools should encourage students to develop a habit of actively exercising and consuming breakfast regularly in order to ensure the healthy development of cardiopulmonary endurance levels.
【摘要】目的探究中学生生活行为方式与20 m往返跑(20 m SRT)成绩的关联, 为改善中学生不良生活行为方式提供 参考。 方法采用分层整群抽样法, 在2021年4一6月对江西上饶市玉山、婺源、横峰、余干4个县2 397名12~17岁中学 生进行问卷调査和20 m SRT测试, 采用χ 2检验比较不同人口学特征、生活行为方式中学生20 m SRT成绩合格率差异, 运 用Logistic回归分析生活行为方式与20 m SRT成绩的关联强度。 结果中学生20 m SRT合格率为83.3%, 不同性别、年 级、户籍、就读类型、父亲文化程度中学生20 m SRT合格率差异均有统计学意义(χ 2值分别为25.26, 25.04, 6.99, 7.96, 16.22, P值均<0.05);近7 d是否有剧烈、是否有适度体力活动和不同早餐行为中学生20 m SRT成绩合格率差异均有统计 学意义(χ 2值分别为6.78, 6.29, 9.13, P值<0.05)。Logistic回归分析结果显示, 在控制相关混杂因素后, “近7 d无剧烈体力 活动”与20 m SRT不合格呈正相关( OR =1.31, 95% CI = 1.03~1.67, P<0.05); “经常不吃早餐行为”与20 m SRT不合格呈正 相关( OR=1.37, 95% CI =1.09~1.73, P<0.01)。 结论剧烈体力活动和髙频早餐消费行为与中学生20 m SRT不合格呈负 相关, 学校应倡导学生养成积极锻炼和规律进食早餐的习惯, 保障其心肺耐力水平健康发展。