Department of Physical Education, Korea Military Academy, Seoul, Korea.
Eur J Public Health. 2012 Dec;22(6):864-8. doi: 10.1093/eurpub/ckr175. Epub 2011 Dec 8.
Asthma is the leading chronic illness among children and adolescents in several nations. This study investigated the association between asthma and physical activity (PA).
The findings in this study are based on the data obtained from the 2007 3rd Korea Youth Risk Behavior Web-Based Survey (KYRBWS-III), a cross-sectional survey of health-risk behaviours among a representative sample of Korean middle- and high-school students aged 13-18 years. This survey is conducted annually by the Korea Centers for Disease Control and Prevention. The 72 943 study subjects were selected using the complex sampling design of the survey. The association between asthma and PA was assessed by conducting multiple logistic regression analyses of the data by using the statistical software SPSS 17.0 Complex Sample.
Compared with the adolescents without current asthma, significantly fewer adolescents with current asthma had a sedentary time of 3 h or less per day (odds ratio, 0.86; 95% confidence interval, 0.75-0.97). Sedentary time was defined as time spent watching television, surfing the Internet, or playing computer games and excluded the time spent doing homework or study during leisure time. The analysis was adjusted for age, gender, family affluence level (FAL), obesity, allergic rhinitis, atopy and smoking. With regard to participation in adequate vigorous or moderate PA, strengthening exercise or physical education class, no significant differences were found between the adolescent students with current asthma and those without current asthma. In addition, it was found that all PA had no significant differences in their effects on asthma severity (medication, inability to work and absence from school).
Our results show that the amount of sedentary time influenced asthma prevalence; however, PA did not influence asthma prevalence in Korean adolescents.
哮喘是多个国家儿童和青少年的主要慢性疾病。本研究调查了哮喘与身体活动（PA）之间的关系。
本研究的结果基于 2007 年第三届韩国青少年风险行为网络调查（KYRBWS-III）的数据，这是一项针对韩国 13-18 岁中学生健康风险行为的代表性样本的横断面调查。该调查由韩国疾病控制与预防中心每年进行。通过调查的复杂抽样设计，选择了 72943 名研究对象。使用统计软件 SPSS 17.0 复杂样本对数据进行多次逻辑回归分析，评估哮喘与 PA 之间的关联。
与无当前哮喘的青少年相比，当前有哮喘的青少年每天久坐时间 3 小时或以下的人数明显较少（比值比，0.86；95%置信区间，0.75-0.97）。久坐时间定义为看电视、上网或玩电脑游戏的时间，不包括闲暇时间做作业或学习的时间。分析调整了年龄、性别、家庭富裕程度（FAL）、肥胖、过敏性鼻炎、特应性和吸烟因素。关于适度剧烈或中度 PA 的参与，有当前哮喘的青少年与无当前哮喘的青少年在强化锻炼或体育课方面没有显著差异。此外，还发现所有 PA 在对哮喘严重程度的影响（药物治疗、无法工作和缺课）方面均无显著差异。
我们的结果表明，久坐时间的多少会影响哮喘的患病率；然而，PA 对韩国青少年哮喘的患病率没有影响。
