The relationship between perceived stress and sleep quality of Wuhan residents during COVID-19 outbreak: psychological resilience as a moderator
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摘要:
目的 了解面临新型冠状病毒肺炎突发疫情时武汉市居民睡眠质量状况, 探讨心理弹性、压力知觉与睡眠质量之间的关系。 方法 2020年2月1―5日利用微信App, 收集到1 178名武汉市居民填写的失眠严重指数量表、压力知觉量表和心理弹性量表数据, 运用分层回归方程模型分析调节作用。 结果 被调查居民睡眠质量总分中位数为3.11(0.93, 7.04)分, 24.62%的被调查居民存在睡眠质量问题。在婚姻状况、压力知觉、心理弹性方面, 居民睡眠质量得分差异有统计学意义(均有P < 0.001)。睡眠质量总分与压力知觉呈正相关(r=0.378, P < 0.001), 与心理弹性呈负相关(r=-0.299, P < 0.001), 心理弹性与压力知觉总分呈负相关(r=-0.563, P < 0.001)。心理弹性在压力知觉和睡眠质量间起调节作用(β=-0.249, P=0.011)。 结论 突发新型冠状病毒肺炎疫情下压力知觉直接影响居民睡眠质量, 心理弹性能减缓压力知觉的负面影响起到保护作用。 Abstract:Objective To examine the situation of sleep quality and to explore the moderate effect of psychological resilience between perceived stress and sleep quality of Wuhan residents during COVID-19 outbreak. Methods From February 1 to 5 in 2020, a WeChat survey was established among 1 178 Wuhan residents aged more than 18 years with the insomnia severity index(ISI), perceived stress scale, and 10-item connor-davidson resilience scale. Moderating effect was analyzed with hierarchical regression analysis. Results The median of ISI scores was 3.11(0.93, 7.04) among the residents, and 24.62% of the interviewee were suffered from poor sleep quality. There were significant differences between ISI scores and marital status, and perceived stress, and psychological resilience(all P < 0.001). ISI scores were positively correlated with perceived stress(r=0.378, P < 0.001), and negatively correlated with psychological resilience(r =-0.299, P < 0.001). And negative correlation was found between psychological resilience and perceived stress(r =-0.563, P < 0.001). Psychological resilience moderated the relationship between perceived stress and sleep quality(β=-0.249, P=0.001). Conclusion The psychological resilience could buffer negative effect of perceived stress on sleep quality, and is a crucial protective factor for improving sleep quality among residents during the COVID-19 outbreak. -
Key words:
- COVID-19 /
- Psychological resilience /
- Perceived stress /
- Sleep quality
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表 1 不同特征居民睡眠质量总分比较[n(%)]
Table 1. Comparison of total scores of sleep quality in the different characteristics of residents[n(%)]
变量 睡眠质量(分) t/χ2值 P值 好(n=888) 差(n=290) 性别 1.450 0.228 女 414(73.80) 147(26.20) 男 474(76.82) 143(23.18) 年龄(岁) 7.551 0.109 18~ 213(73.70) 76(26.30) 21~ 336(76.36) 104(23.64) 31~ 225(77.32) 66(22.68) 41~ 94(76.42) 29(23.58) ≥51 20(57.14) 15(42.86) 婚姻状况 24.224 < 0.001 未婚 280(78.43) 77(21.57) 已婚 504(77.66) 145(22.34) 丧偶 104(60.47) 68(39.53) 学历 0.634 0.889 初中及以下 19(76.00) 6(24.00) 高中 105(73.43) 38(26.57) 大学 680(75.39) 222(24.61) 研究生 84(77.78) 24(22.22) 职业 4.872 0.432 生产销售 228(72.15) 88(27.85) 专业技术 209(75.45) 68(24.55) 行政管理 81(75.00) 27(25.00) 教师 43(75.44) 14(24.56) 医生 19(67.86) 9(32.14) 学生 308(78.57) 84(21.43) 压力知觉总分(x±s) 14.27±5.65 18.81±5.92 11.749 < 0.001 心理弹性总分(x±s) 26.87±9.43 23.06±7.58 6.254 < 0.001 表 2 睡眠质量、知觉压力以及心理弹性的相关性
Table 2. The correlation of sleep quality, perceived stress and psychological resilience
项目 睡眠质量总分 压力知觉总分 心理弹性总分 睡眠质量总分 1.000 压力知觉总分 0.378 1.000 心理弹性总分 -0.299 -0.563 1.000 表 3 心理弹性在压力知觉与睡眠质量间调节作用
Table 3. The moderated effect of psychological resilience between perceived stress and sleep quality
自变量 偏回归系数 Sx 标准回归系数 决定系数 F值 P值 第一层 压力知觉 0.351 0.029 0.381 0.165 104.645 < 0.001 心理弹性 -0.103 0.019 -0.132 0.022 第二层 压力知觉 0.582 0.081 0.652 0.251 73.289 < 0.001 心理弹性 -0.124 0.058 -0.204 0.015 压力知觉×心理弹性 -0.208 0.033 -0.249 0.011 -
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