Association of perceived stress and sleep quality among medical students: the mediating role of anxiety and depression symptoms during COVID-19

Huang, Wanmin; Wen, Xueke; Li, Yunjia; Luo, Chunliu

doi:10.3389/fpsyt.2024.1272486

Cited by 2 publications

(1 citation statement)

References 38 publications

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“…Referring to the literature concerning depression ( 45 – 56 ), in order to avoid the omitted variables bias, we fully control factors affecting depression in the following five aspects. (1) Basic demographic characteristics include age, the quadratic term of age, gender, education level, health status and whether the respondent is a migrant.…”

Section: Methodsmentioning

confidence: 99%

How does working time impact perceived mental disorders? New insights into the U-shaped relationship

Niu,

Li,

Xia

2024

Front. Public Health

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Based on a large-scale nationally representative survey in China, this paper uses the exogenous impact of automation on working hours as the instrumental variable to examine working time’s impact on perceived mental disorders, on the basis of dealing with endogeneity. Different from existing literature, it is found that the impact of working time on perceived mental disorders is U-shaped, rather than linear. Mental disorders firstly decrease with working hours. After working more than 48.688 h per week, further increases in working time carry notable mental health costs, leading to a positive relationship between working hours and depression. The turning point of this U-shaped relationship is almost in line with the International Labor Organization’s 48 working hours/week standard, justifying it from a mental health perspective. In addition, we further exclude the possibility of more complex nonlinear relationships between working time and perceived mental disorders. Furthermore, heterogeneities are found in the effects of working hours on mental disorders across different subgroups. Males are more depressed when working overtime. Older workers have a lower tolerance for overwork stress. The turning point is smaller for the highly educated group and they are more sensitive to working longer. Those with higher socioeconomic status are less depressed after exceeding the optimal hours of work. The increase in depression among rural workers faced with overwork is not prominent. Perceived mental disorders are lower among immigrants and those with higher health status. In addition, labor protection and social security help to weaken mental disorders caused by overtime work. In conclusion, this paper demonstrates that working time has a U-shaped impact on perceived mental disorders and highlights the vulnerability of certain groups, providing a reference for setting optimal working hours from a mental health perspective.

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Section: Methodsmentioning

confidence: 99%

How does working time impact perceived mental disorders? New insights into the U-shaped relationship

Niu,

Li,

Xia

2024

Front. Public Health

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Social support and sleep quality in people with schizophrenia living in the community: the mediating roles of anxiety and depression symptoms

Liu,

Li,

Chen

et al. 2024

Front. Public Health

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IntroductionResearch has demonstrated that higher social support is associated with better psychological health, quality of life, cognition, activities of daily living, and social participation, but the relationship between social support and sleep quality remains unknown. This study aims to investigate the mediating effects of anxiety and depression in the relationship between social support and sleep among community-dwelling patients with schizophrenia.MethodPurposive sampling was used to collect face-to-face data from 1,107 community-dwelling patients with schizophrenia in Chengdu, Sichuan Province, China, between April and July 2023. The Athens Insomnia Scale (AIS) was used to assess sleep quality; the Generalized Anxiety Disorder 7-item scale (GAD-7) was utilized to evaluate anxiety symptoms; and the Patient Health Questionnaire-9 (PHQ-9) was employed to assess depressive symptoms. The mediating effect of anxiety and depression symptoms was assessed using the bootstrap method via Model 6 (Serial multiple mediator model) of the SPSS PROCESS macro.ResultsAmong the 1,107 participants, the proportions of people with schizophrenia experiencing anxiety, depressive symptoms, and poor sleep quality were 22.8, 37.7, and 42.1%, respectively. Mediation analyses indicated that although social support had no direct effect on sleep quality, anxiety and depressive symptoms fully mediated the relationship between social support and sleep quality.ConclusionPatients with schizophrenia experience low levels of social support and poor sleep quality. To enhance the sleep quality of individuals with schizophrenia, all levels of society (government, medical institutions, and communities) must pay more attention to mental health. Implementing diverse intervention measures to strengthen social support and improve symptoms of anxiety and depression should be considered. This approach may potentially lead to an improvement in sleep quality among individuals with schizophrenia.

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Association of perceived stress and sleep quality among medical students: the mediating role of anxiety and depression symptoms during COVID-19

Cited by 2 publications

References 38 publications

How does working time impact perceived mental disorders? New insights into the U-shaped relationship

How does working time impact perceived mental disorders? New insights into the U-shaped relationship

Social support and sleep quality in people with schizophrenia living in the community: the mediating roles of anxiety and depression symptoms

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