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Burnout in neonatal intensive care unit nurses: relationships with moral distress, adult attachment insecurities, and proneness to guilt and shame

Abstract Background Informed by the person-environment transactional model of stress, the purpose of the study was to explore the relationships of environment-related moral distress and person-related anxious and avoidant adult attachment insecurities, and personality proneness to guilt and shame with burnout in neonatal intensive care unit (NICU) nurses. Methods This was a multicenter cross-sectional self-report questionnaire cohort study comprising 142 NICU nurses currently working on six Level 3–4 NICUs in New South Wales, Australia. Results Burnout was reported by 37% of NICU nurses. Moral distress, anxious and avoidant attachment, and guilt- and shame-proneness had moderate-large zero-order correlations with burnout. Overall, these predictor variables explained 40% of the variance in burnout. Moral distress (β = 0.40, P < 0.001), anxious attachment (β = 0.18, P < 0.05) and shame-proneness (β = 0.22, P < 0.01) were unique predictors of burnout. Shame-proneness partially mediated the effect of anxious attachment on burnout [indirect effect, B = 0.12, confidence interval (CI) (0.051–0.201)]. Conclusion The management of burnout in NICU nurses requires attention not only to environment-related moral distress but also to person-related anxious and avoidant adult attachment insecurities and personality proneness to guilt and shame.