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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Does regular practice of physical activity reduce the risk of dysphonia?
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Does regular practice of physical activity reduce the risk of dysphonia?

机译：定期进行体育锻炼会降低发声困难的风险吗？

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OBJECTIVE: The purpose of this study was to investigate the association between regular physical activity and the prevalence of dysphonia. METHOD: A cross-sectional study was conducted with 3142 teachers from 129 municipal public schools in the city of Belo Horizonte, Brazil. The dependent variable, dysphonia, was classified (absent or present) according to reported symptoms (fatigue when speaking and loss of voice quality), their frequency (occasionally and daily), and duration (past 15 days). The independent variable was regular physical activity. The degree of association was estimated based on the prevalence ratio and a 95% confidence interval obtained by the Poisson regression adapted for cross-sectional studies. RESULTS: In the study sample, the prevalence of dysphonia in teachers was 15.63%. Nearly half (47.52%) of the teachers reported no regular practice of physical exercises. The remaining teachers (52.48%) walked and did physical exercises, sports, and other activities; 31.25% undertook these activities once or twice a week, and 21.23% exercised three or more times a week. Teachers who did not practice physical activity were more likely to present dysphonia compared to those that exercised three or more times a week. CONCLUSION: Regular physical activity was associated positively with the prevalence of dysphonia.
机译：目的：本研究的目的是调查正常的体育锻炼与发声障碍的患病率之间的关系。方法：对来自巴西贝洛奥里藏特市129所公立学校的3142名教师进行了横断面研究。根据报告的症状（说话时的疲劳和语音质量的下降），其频率（偶尔和每天）和持续时间（过去15天）对因变量dysphonia进行分类（不存在或存在）。自变量是规律的体育锻炼。关联度是根据患病率和适用于横截面研究的通过Poisson回归获得的95％置信区间估算的。结果：在研究样本中，教师的发声障碍患病率为15.63％。近一半（47.52％）的教师报告没有定期进行体育锻炼。其余的老师（52.48％）走路并进行体育锻炼，运动和其他活动; 31.25％的人每周进行一次或两次此类活动，而21.23％的人每周进行三次或以上锻炼。与不进行体育锻炼的老师相比，每周进行三遍或以上锻炼的老师更容易出现发音障碍。结论：正常的体育锻炼与发声障碍的患病率呈正相关。

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