医学学生的时型和体重变化之间的关联:一个横截面研究
Xinya Lin1, Xiaodan Kuang2, Shiyun Ding3
1School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
概括
医学学生的晚间时间型与体重增加和体重增加的几率增加有关,特别是在晚餐时. 优先考虑早晨的时间型和早餐,有助于减肥.
科学领域:
- 时间生物学 时间生物学
- 医学教育 医学教育
- 营养科学 营养科学
背景情况:
- 时型,一个人对特定的睡眠和清醒时间的自然倾向,影响生理过程.
- 医学学生经常经历睡眠模式的干扰和生活方式的改变,这可能会影响体重.
- 了解时型和体重变化之间的关系对于学生的福祉至关重要.
研究的目的:
- 为了研究不同时间型的医学学生之间的体重变化差异.
- 评估时间型和体重变化之间的关联,控制潜在的混因素.
主要方法:
- 调查了1300名医学学生 (不包括新生) 的队列,使用中文版本的MEQ-5问卷来确定时间型.
- 体重变化被测量为当前体重和入院体重之间的差异,体重增加被定义为≥10%的增加.
- 用多种线性和逻辑回归模型来分析数据.
主要成果:
- 确定的晚间类型的学生表现出更差的睡眠质量,更短的睡眠时间和更少的早餐消费.
- 与早晨类型相比,晚上类型的体重变化呈显著增加的趋势 (明确的晚上类型的平均体重增加为0.88公斤).
- 晚上时间型,加上下午6点后的晚餐,显著增加了体重增加的几率 (OR=2.43).
结论:
- 确定的晚上时长型与医学学生的体重增加和体重增加的可能性更高有关.
- 晚餐的时间,特别是晚上的时间类型,在体重增加中起着重要作用.
- 促进早晨的时间型倾向和早些时候的晚餐时间可能对这个人群的体重控制有益.
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