Full
Outline
To investigate the effect of sleep quality on suicide risk among medical students and the role of depression and academic stress in the relationship.
A questionnaire survey of 3 521 current medical students was conducted using the Pittsburgh Sleepiness Scale, the Patient Health Questionnaire Depression Scale, the Beck Suicidal Ideation Scale, and the Academic Stress Score. SPSS 26.0 was applied for descriptive statistics, independent samples t-test, ANOVA and correlation analysis of the data, and PROCESS plug-in was used for the moderated mediation test.
Sleep quality index positively predicted suicide risk（β=0.315）; depression partially mediated the association between sleep quality and suicide risk (β=0.233, 95% CI: 0.174-0.297), with a mediating effect accounting for 74.19% of the total effect; academic stress moderated the first half path of the mediation model (β=0.093), i.e., moderated the effect of sleep quality on depression.
Sleep quality increases the risk of suicide among medical students by affecting depression; reducing academic stress reduces the effect of sleep quality on depression among medical students.
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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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