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首页> 外文期刊>Acta ophthalmologica >Physical activity and myopia in Danish children—The CHAMPS CHAMPS Eye Study
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Physical activity and myopia in Danish children—The CHAMPS CHAMPS Eye Study

机译：丹麦儿童的身体活动和近视 - 冠军冠军眼科学习

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Abstract Purpose To determine associations between physical activity ( PA ) and myopia in Danish school children and investigate the prevalence of myopia. Methods This is a prospective study with longitudinal data on PA in a Danish child cohort. Physical activity (PA) was measured objectively by repeated ActiGraph accelerometer measurement four times with different intervals (1–2.5?years) at the mean ages 9.7, 11.0, 12.9 and 15.4?years. Mean intensity of PA was estimated as counts/minutes, and time spent in sedentary, light, moderate and vigorous PA was summed using defined cut‐off points. The ophthalmologic examination was conducted at the mean age of 15.4?±?0.7?years and included cycloplegic autorefraction and biometry. Results A total of 307 children participated in the Childhood Health, Activity, and Motor Performance School ( CHAMPS ) Eye Study. The cycloplegic spherical equivalent ( SE ) was 0.30?±?1.46 dioptres. The prevalence of myopia was 17.9% ( SE ≤?0.5 dioptres). Mean axial length ( AL ) was 23.5?±?0.9?mm. For all participants, the overall mean daily distribution of PA was 67.2% in sedentary, 25.6% in light, 4.4% in moderate and 2.9% in vigorous PA . Age‐ and sex‐adjusted linear regression showed no association between PA and SE or AL . In a prospective slope analysis, there was no association between accumulated PA during the 7?years and AL or SE . Conclusion The prevalence of myopia among Danish children was 17.9%. By logistic regression and slope analysis, we found no association between PA and myopia, in this first of its kind study based on objective and repeated PA data.
机译：摘要目的，用于确定丹麦学科儿童体育活动（PA）与近视的关联，调查近视的患病率。方法是丹麦儿童队列中PA的纵向数据的前瞻性研究。客观地测量身体活动（PA）通过重复的Actigraph加速度计测量四次以不同的间隔（1-2.5岁）（1-2.5岁），在平均值9.7,11.0,12.9和15.4？年内。 PA的平均强度估计为计数/分钟，并且使用定义的截止点来求和久入，光，中度和剧烈PA所花费的时间。在平均年龄为15.4℃的平均年龄进行眼科检查±0.7岁，并包括颈动脉释放的自动反射和生物测定。结果共有307名儿童参与儿童健康，活动和电机绩效学校（Champs）的眼科学习。 Cycloplegic球形等效物（SE）为0.30？±1.46分差。近视的患病率为17.9％（SE≤≤x≤0.5分差）。平均轴向长度（Al）为23.5？±0.9Ωmm。对于所有参与者，PA的总体平均日常分布在久坐不动度为67.2％，光线下25.6％，中度为4.4％，剧烈PA在2.9％。年龄和性别调整的线性回归在PA和SE或A1之间没有关联。在预期坡度分析中，7年期间累积PA之间没有关联。结论丹麦儿童中近视的患病率为17.9％。通过Logistic回归和斜率分析，我们在第一个基于客观和重复的PA数据的研究中，我们发现了PA和近视之间的关联。

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