The Mediating Effect of Coping Style in the Relationship Between Sleep Quality and Perceived Cognitive Impairment Among Breast Cancer Patients

应对(心理学) 乳腺癌 匹兹堡睡眠质量指数 医学 临床心理学 认知 睡眠质量 横断面研究 精神科 癌症 内科学 病理
作者
Chen Fan,Changzai Li,Jingwen Zhu,Yaning Zhao,Pan Zhang,Jianru Gao,Yuqi Yang,Lin Guo
出处
期刊:Cancer Nursing [Lippincott Williams & Wilkins]
标识
DOI:10.1097/ncc.0000000000001371
摘要

Background Perceived cognitive impairment is a significant symptom experienced by breast cancer patients and may be affected by sleep quality. Coping styles have potential relevancies with both sleep quality and perceived cognitive impairment. However, the empirical evidence supporting their association among breast cancer patients is limited. Objective This study explored the associations between sleep quality, coping styles, and perceived cognitive impairment and tested the mediating role of coping styles in breast cancer patients. Methods A total of 294 breast cancer patients were included in this cross-sectional study. Patients were assessed using the Pittsburgh Sleep Index Scale, the Simplified Coping Styles Questionnaire, and the Functional Assessment of Cancer Therapy-Cognitive Functioning (Version 3) Scale. The data were analyzed using SPSS and Process macros. Results The direct effect of sleep quality on reported cognitive impairment was significant (β = −0.245, P < .001). Furthermore, sleep quality was found to have a significant indirect effect on perceived cognitive impairment through positive coping style (β = −0.026, P < .05) and negative coping style (β = −0.131, P < .05). Conclusions Our research suggests that sleep quality has both a direct effect on perceived cognitive impairment and an indirect effect through positive and negative coping styles in breast cancer patients. Moreover, negative coping style had a more pronounced mediating effect than positive coping style. Implications for Practice Clinical medical staff could reduce the perceived cognitive impairment of breast cancer patients by improving their sleep quality and encouraging them to adopt a more positive coping style.
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