基于随机森林模型的乳腺癌病人心理资本现况及影响因素

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Abstract  Objective：To explore the status quo of psychological capital in patients with breast cancer and analyze its influencing factors，so as to provide evidence for promoting the mental health of patients with breast cancer.Methods：From August 2021 to May 2022，428 breast cancer patients were randomly selected from 3 tertiary grade A hospitals in Tangshan.General Data Questionnaire，Positive Psychological Capital Questionnaire，Social Limitation Scale，Breast Cancer Patients Psychosocial Adjustment Questionnaire were used to investigate.Results：The total score of Positive Psychological Capital Questionnaire in breast cancer patients was 120.15±12.29.The random forest algorithm showed that when lambda（λ） was 0.897 8，the error was the smallest，and the corresponding number of influencing factors was 6.The top six independent variables in the order of importance were cancer adaptation，family per capita monthly income，residence，education level，social restrictions，and medical insurance.The results of multiple step-based regression analysis showed that the psychological capital of breast cancer patients was influenced by cancer adaptation，family per capita monthly income and social restriction（P<0.05）.Conclusion：The psychological capital level of breast cancer patients is low，clinical medical staff can enhance the positive psychological resources of breast cancer patients by improving their adaptation level，increasing their economic reserves and strengthening their social support system.

Keywords  breast cancer； psychological capital； cancer adaptation； social restrictions； random forest model； influencing factors；nursing

摘要  目的：探讨乳腺癌病人心理资本现状并分析其影响因素，为促进乳腺癌病人心理健康提供依据。（剩余14241字）