Full
Outline
To explore the group characteristics of emotion regulation strategies and their mediating mechanism between psychological stress and sleep disorders among military personnel stationed at altitudes.
A cross-sectional study was conducted on 401 servicemen subjected with convenience sampling from a troop stationed at Garze Tibetan Autonomous Prefecture, Sichuan Province (3 980 to 4 200 m) during December 2024 and April 2025. Psychological stress self-evaluation test for military personnel (PSET), emotion regulation questionnaire (ERQ), and Pittsburgh sleep quality index (PSQI) were used for evaluation. Structural equation modeling was employed to analyze the mediating effects of emotion regulation strategies between psychological stress and sleep disorders.
The incidence of sleep disorders was 20.2% among ultra-high-altitude military personnel, and the incidence of mild sleep disorder 18.45%. Sleep disorder total score showed significant positive correlations with expressive suppression and psychological stress (r=0.23, 0.53, P<0.01). Expressive suppression played a partial positive mediating role between psychological stress and sleep disorders, accounting for 3.63% of the total effect.
The frequency of using emotion regulation strategy among ultra-high-altitude stationed military personnel is increased with rising psychological stress levels. It is recommended to implement alternative training targeting expressive suppression strategies for high-stress groups in order to improve sleep disorders.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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