组织支持感在三级医院护士睡眠质量中的中介作用:全国多中心横断面研究

Mediating Role of Perceived Organizational Support in Sleep Quality of Nurses: in Tertiary Hospitals: A Nationwide Multicenter Cross-sectional Study

  • 摘要:
    目的 调查国内三级医院护士睡眠质量现状,分析工作压力、组织支持感与睡眠问题发生风险的相关性,并进一步探讨组织支持感在护士工作压力与睡眠问题间的中介效应。
    方法 以2023年10月—2024年4月全国不同地区三级医院护士作为研究对象,采用多阶整群分层抽样法调查护士睡眠质量现状。采用限制性立方样条(restricted cubic spline,RCS)模型分析护士工作压力、组织支持感与睡眠问题发生风险的线性/非线性关系;采用Bootstrap方法检验组织支持感在护士工作压力与睡眠问题间的中介效应。
    结果 共6634名三级医院护士接受调查,回收有效问卷6106份,问卷有效率92.04%。6106名护士分别来自东部(n=2107)、中部(n=1272)、西部(n=1495)、南部(n=422)和北部(n=810)地区。护士总体匹兹堡睡眠质量指数(Pittsburgh sleep quality index, PSQI)量表得分为(9.13±3.89)分,其中南部地区护士睡眠质量最差。RCS模型结果显示,护士工作压力源与睡眠问题存在显著非线性关系(P均<0.001),组织支持感与睡眠问题不存在非线性关系(P均>0.05)。组织支持感在护士工作压力与睡眠问题间的中介效应为53.4%。
    结论 我国三级医院护士的睡眠质量普遍较差。组织支持感在护士工作压力与睡眠问题之间起部分中介作用。因此,提高组织支持水平有助于降低工作压力对睡眠质量的影响。

     

    Abstract:
    Objective To investigate the current status of sleep quality among nurses in tertiary hospitals in China, analyze the correlations of work stress and perceived organizational support with the risk of sleep problems, and further examine the mediating effect of perceived organizational support between work stress and sleep problems in nurses.
    Methods A multi-stage cluster stratified random sampling method was employed to select nurses from tertiary hospitals in different regions across China from October 2023 to April 2024 as research subjects to investigate the current status of their sleep quality. Restricted cubic spline (RCS) analysis was conducted to examine the linear/non-linear relationships between work stress, perceived organizational support, and the risk of sleep problems in nurses. The Bootstrap method was applied to test the mediating effect of perceived organizational support between work stress and sleep problems in nurses.
    Results A total of 6634 nurses from tertiary hospitals were surveyed in this study, with 6106 valid questionnaires recovered, yielding a response rate of 92.04%. The 6106 nurses were divided into eastern (n=2107), central (n=1272), western (n=1495), southern (n=422), and northern (n=810) regions according to distribution regions. The overall Pittsburgh Sleep Quality Index (PSQI) score among nurses in China was (9.13±3.89) points, with nurses in the southern region having the poorest sleep quality. The results of the RCS model showed a significant non-linear relationship between work stress sources and sleep problems in nurses (all P < 0.001), while no non-linear relationship was observed between perceived organizational support and sleep problems (all P > 0.05). The mediating effect of perceived organizational support between work stress and sleep problems in nurses was 53.4%.
    Conclusions The nurses in tertiary hospitals in China usually present poor sleep quality. Perceived organizational support plays a partial mediating role between work stress and sleep problems in nurses. Therefore, enhancing the level of organizational support can help alleviate the impact of work stress on sleep quality.

     

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