Tu Renjie, Lu Yifan, Tao Kuan
School of Sport Medicine and Physical Therapy, Beijing Sport University, Beijing, China.
School of Sports Engineering, Beijing Sport University, Beijing, China.
Front Psychol. 2022 May 24;13:864515. doi: 10.3389/fpsyg.2022.864515. eCollection 2022.
Physical activity (PA) has a significant health impact worldwide and has been linked to a lower risk of the common cold.
The aim of this study was to estimate the form of PA among Chinese adults and the correlation between PA and number of the common cold in China's eastern, central, and western areas.
A cross-sectional study.
China's eastern, central, and western regions from 30 November 2020 to 30 March 2021.
A total of 1,920 healthy participants, who aged over 18 years old, with Internet access, were enrolled, and then self-reported PA behaviors and number of the common cold were collected.
The authors calculated preference, intensity, frequency, and duration of PA in Chinese based on gender, age, and broad occupational categories and explored the potential effect between these factors and the common cold.
Approximately 20.4% of participants reported not participating in sports regularly. Except for gender, there were significant differences in PA preference and intensity among the remaining individuals ( <0.05). Sixteen common exercises were divided into three intensity levels by the Borg CR10 Scale: low- (5), moderate- (8), and high-intensity exercises (3), and the corresponding intensity, frequency, and duration were computed with significant differences ( <0.05). The most popular workouts are "Brisk walking" and "Running." Age, sex, and occupation had no significant effect on colds ( > 0.05). However, intensity shows a U-shaped dose-response relationship with colds, whereas the frequency and duration have an inverse dose-response relationship ( <0.05). High intensity combined with high frequency increased colds the most. Nevertheless, non-exercise groups always have the most colds in each comparison.
The result may be vulnerable to recall bias.
Intensity showed that U-shape, frequency, and duration showed inverse response to the number of colds last year, but age, sex, and occupation had no significant effects. High intensity and high frequency mixed increased colds the most, regardless of duration.
体育活动（PA）在全球范围内对健康有重大影响，并且与患普通感冒的风险较低有关。
本研究的目的是评估中国成年人的体育活动形式以及中国东部、中部和西部地区体育活动与普通感冒次数之间的相关性。
一项横断面研究。
2020年11月30日至2021年3月30日期间的中国东部、中部和西部地区。
共招募了1920名年龄超过18岁、可上网的健康参与者，然后收集他们自我报告的体育活动行为和普通感冒次数。
作者根据性别、年龄和广泛的职业类别计算了中文的体育活动偏好、强度、频率和持续时间，并探讨了这些因素与普通感冒之间的潜在影响。
约20.4%的参与者报告未定期参加体育活动。除性别外，其余个体在体育活动偏好和强度方面存在显著差异（<0.05）。通过Borg CR10量表将16种常见运动分为三个强度级别：低强度（5种）、中等强度（8种）和高强度运动（3种），并计算出相应的强度、频率和持续时间存在显著差异（<0.05）。最受欢迎的锻炼方式是“快走”和“跑步”。年龄、性别和职业对感冒没有显著影响（>0.05）。然而，强度与感冒呈U型剂量反应关系，而频率和持续时间呈反向剂量反应关系（<0.05）。高强度与高频率相结合使感冒增加最多。尽管如此，在每次比较中，不运动组感冒次数总是最多。
结果可能容易受到回忆偏倚的影响。
强度呈U型，频率和持续时间对去年感冒次数呈反向反应，但年龄、性别和职业没有显著影响。无论持续时间如何，高强度和高频率混合使感冒增加最多。
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