医学生的心率变异性、睡眠质量和身体活动

Sleep epidemiology Pub Date : 2024-12-30 DOI:10.1016/j.sleepe.2024.100105

Samuel Filipe Lopes Alves , Thaísy Andressa Bastos Primo de Sousa Santos , Marianne Lucena da Silva , Katiane da Costa Cunha

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引用次数: 0

摘要

目的探讨医学生的睡眠质量、身体活动水平及其与心率变异性的关系。方法对105名巴西医科学生进行横断面研究。通过社会人口调查问卷、匹兹堡睡眠质量指数（PSQI）、国际体育活动问卷简表（IPAQ-SF）、人体测量和静息HRV收集数据。单因素方差分析分析了社会人口统计学变量、PSQI和IPAQ得分。Spearman相关性评估人体测量数据与HRV参数之间的关系。多元线性回归检验PSQI、IPAQ和HRV之间的关系，显著性水平为5%。结果医学生以睡眠质量差、运动水平高为主。多变量分析显示，SDNN中HRV、IPAQ和睡眠质量之间存在显著相关性(F reg=3.08；p = 0.0486)和LF (F reg=2.95；P = 0.0553)成分。然而，当独立分析每个变量时，相关性仅与PSQI具有统计学相关性。相关性成反比，表明较差的睡眠质量与较低的HRV值相关。结论睡眠质量差在医学生中普遍存在，并与HRV降低相关，可能对该人群的心血管健康产生不利影响。

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Heart rate variability, sleep quality and physical activity in medical students

Aims

The present study aims to investigate the sleep quality, levels of physical activity, and their relationship with heart rate variability (HRV) in medical students.

Methods

We conducted a cross-sectional study with 105 medical students from Brazil. Data were collected through sociodemographic questionnaires, Pittsburgh Sleep Quality Index (PSQI), International Physical Activity Questionnaire Short Form (IPAQ-SF), anthropometric measurements, and resting HRV. One-way ANOVA analysed sociodemographic variables, PSQI, and IPAQ scores. Spearman correlation assessed the relationship between anthropometric data and HRV parameters. Multiple Linear Regression examined the relationship between PSQI, IPAQ, and HRV, with a significance level of 5%.

Results

A predominance of poor sleep quality and high physical activity levels were observed in medical students. Multivariate analysis revealed a significant association between HRV, IPAQ, and sleep quality in the SDNN (F reg=3.08; p = 0.0486) and LF (F reg=2.95; p = 0.0553) components. However, when analysing each variable independently, the correlation was statistically relevant only for the PSQI. The correlation was inversely proportional, indicating poorer sleep quality associated with lower HRV values.

Conclusion

The results indicate that poor sleep quality is common among medical students and is correlated with a reduction in HRV, which may have an adverse impact on the cardiovascular health of this population.

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来源期刊

Sleep epidemiology Dentistry, Oral Surgery and Medicine, Clinical Neurology, Pulmonary and Respiratory Medicine

CiteScore

1.80

自引率

0.00%

发文量