ArticleInternational journal of environmental research and public health2026
Moral Courage Mediates the Relationship Between Ethical Climate and Sustainable Environmental Health Literacy Among Nurses.
Article in International journal of environmental research and public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Despite growing recognition that organizational culture shapes nursing practice, the linking of ethical climate to sustainable environmental health literacy (SEHL) remains poorly understood. This study examined whether moral courage statistically mediates the relationship between perceived ethical climate and self-reported environmental health literacy among Egyptian nurses, rather than observed competencies or clinical actions. A cross-sectional correlational design was employed with 743 nurses recruited from government, private, and university-affiliated hospitals. Participants completed the Hospital Ethical Climate Survey, the Nurses' Moral Courage Scale, and the Environmental Health Literacy Scale. Mediation analysis used Hayes' PROCESS macro with 5000 bootstrap samples. Ethical climate demonstrated strong positive associations with moral courage (r = 0.81) and SEHL (r = 0.86), while moral courage and SEHL were also strongly correlated (r = 0.82). Ethical climate explained 74% of variance in SEHL and 66% of variance in moral courage. Moral courage was associated with partial statistical mediation of the ethical climate-SEHL relationship, accounting for 33.4% of the total effect (β = 0.31, 95% CI [0.26, 0.37]), while the direct effect remained substantial (66.6%). These findings suggest that supportive ethical climates may be associated with nurses' environmental health literacy via two statistical pathways: one directly linked to environmental learning and another indirectly linked to moral courage. Healthcare organizations should prioritize ethical climate development alongside moral courage training as potentially promising approaches to advance climate-responsive nursing practice.
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