Mental workload, sleep and fatigue in helicopter pilots: a canonical correlation analysis

Yan LIU; Baoquan CHENG; Xin YU; Haowu GU; Rui WANG; Jishu XIAN; Yulian QUAN; Fei LI; Hua FENG; Tunan CHEN; Lihua WANG

doi:10.16016/j.2097-0927.202201151

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Mental workload, sleep and fatigue in helicopter pilots: a canonical correlation analysis

Military Medicine | 更新时间：2026-01-09

- Mental workload, sleep and fatigue in helicopter pilots: a canonical correlation analysis
- Journal of Army Medical University Vol. 44, Issue 11, Pages: 1087-1093(2022)
- 作者机构：
  
  1.400038 重庆，陆军军医大学(第三军医大学)第一附属医院：院办
  2.610083 成都，西部战区陆军航空兵旅场站
  3.400038 重庆，陆军军医大学(第三军医大学)第一附属医院：神经外科
  4.400038 重庆，陆军军医大学(第三军医大学)第一附属医院：陆军航空医学教研室
- 作者简介：
- 基金信息：
  
  the Key Project of Application Basic Research of Logistic Support Department of Central Military Commission(BLJ18C008)
- DOI：10.16016/j.2097-0927.202201151
  CLC： B845.66;R338.6;R851.1
- Received：17 January 2022，
  
  Revised：2022-03-08，
  
  Published：15 June 2022
- 稿件说明：
移动端阅览
Yan LIU, Baoquan CHENG, Xin YU, et al. Mental workload, sleep and fatigue in helicopter pilots: a canonical correlation analysis[J]. Journal of Army Medical University, 2022, 44(11): 1087-1093.
DOI：

Yan LIU, Baoquan CHENG, Xin YU, et al. Mental workload, sleep and fatigue in helicopter pilots: a canonical correlation analysis[J]. Journal of Army Medical University, 2022, 44(11): 1087-1093. DOI： 10.16016/j.2097-0927.202201151.

摘要

目的

了解直升机飞行员脑力负荷与睡眠、疲劳的关系，为进一步干预研究提供参考依据。

方法

采用整群抽样法，随机抽取某部队2021年9月12日至10月12日有航空作业的直升机飞行员，使用一般资料问卷、匹兹堡睡眠质量指数量表表(Pittsburgh sleep quality index

PSQI)、多维疲劳量表(multidimensional fatigue inventory

MFI)和脑力负荷量表(mental workload

MWL)，通过自主研发的“飞行员睡眠-疲劳-脑力负荷测量”APP进行调查。采用SPSS 26对一般资料以及各量表得分进行分析，脑力负荷与睡眠、疲劳进行典型相关分析。

结果

共有112名飞行员参与了本次调研，PSQI、MFI和MWL总得分分别为5.04±2.66、55.13±19.27和36.69±17.09。典型相关分析结果表明MWL与MFI之间的典型相关系数达到0.50，主要表现在体力需求和疲劳关系较大；MWL与PSQI的典型相关系数达到0.59，主要表现在体力需求和努力程度与睡眠效率关系较大；PSQI与MFI之间的相关系数达到0.58，主要表现在睡眠时长和疲劳关系较大。

结论

直升机飞行员的脑力负荷、睡眠质量和疲劳三者相互关系，应注重三者对直升机飞行员作训期间身心健康的共同影响，并根据主要的因素，为其提供全面、精准的干预方法。

Abstract

Objective

To investigate the relationships of mental workload with sleep quality and fatigue in army helicopter pilots in order to provide references for further intervention studies.

Methods

Cluster sampling was adopted to randomly select helicopter pilots from a military aviation unit who had training missions from September 12 to October 12

2021. The survey was conducted through the self-developed "Pilot Sleep-Fatigue-Brain Work Measurement" APP with the evaluation tools of general information questionnaire

Pittsburgh sleep quality index scale (PSQI)

multidimensional fatigue index (MFI-20) and NASA Task Index (MWL). SPSS statistics 26.0 was used to perform the statistical analysis for general data and the results of above scales. Canonical correlation analysis (CCA) was carried out to explore the interrelationship of sleep

fatigue and mental workload.

Results

A total of 112 pilots were subjected in this survey. The total scores of PSQI

MFI and MWL were 5.04±2.66

55.13±19.27 and 36.69±17.09

respectively. The results of CCA showed that the canonical correlation coefficient was 0.50 between MWL and MFI (indicating a strong correlation between physical demand and fatigue)

0.59 between MWL and PSQI (correlation of physical demand and effort with sleep efficiency)

and 0.58 between PSQI and MFI (correlation of sleep duration and fatigue).

Conclusion

Mental workload

sleep quality

and fatigue are related to each other in helicopter pilots. We should pay attention to the mutual influence of them on the physical and mental health in helicopter pilots

and provide them with comprehensive and precise intervention according to the main factors.

关键词

Keywords

references

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