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[Relationship between social support, resilience, self-esteem and post-traumatic stress disorder in intensive care unit nurses].

Objective: To investigate the correlation between social support, resilience, self-esteem and post-traumatic stress disorder (PTSD) in intensive care unit (ICU) nurses. Methods: A total of 717 ICU nurses from 24 provinces conducted these questionnaires (Chinese version of Impact of Event Scale-Revised(IES-R), Social Support Rate Score(SSRS), Cannor-Davidson Resilience(CD-RISC) and Self-Esteem Scale(SES)). There were 101 males and 616 females, with an average age of (30±5) years. With the aim to investigate PTSD impact factors, the ICU nurses were divided into the PTSD positive group (IES-R>35) and PTSD negative group (IES-R<35). The correlation between IES-R and other scales were analyzed with linear regression analysis. Results: In this investigation, 414 nurses were screened with PTSD and 303 nurses without. IES-R score was negatively correlated with SSRS, CD-RISC and SES (r=-0.275, -0.202, -0.709, all P<0.05). Multivariate regression analysis showed that ICU clinical experience was an independent risk factor for PTSD, and SES Score, SSRS Score and physical health status were protective factors. SES partially mediated the association of SSRS with IES-R, and the mediating effect were 51.5%. The area under characteristic curve (ROC) showed that SSRS score, CD-RISC score, SES score and PTSD risk score Logit (P) for prediction of PTSD was 0.629, 0.604, 0.831 and 0.848, respectively. Conclusions: Social support, physical health and self-esteem are protective factors of PTSD, while ICU clinical experience is a risk factor. SES partially mediated the association of SSRS with IES-R.