Workplace Climate Tops Critical Thinking and Stress in Shaping Nurses Evidence-Based Practice Skills

Every time a nurse decides whether a wound dressing should be changed, whether a fall-prevention protocol should be modified, or whether a new guideline actually fits the patient in front of them, something invisible is at work: the nurse’s competence in evidence-based practice, the ability to find, appraise, and apply research evidence at the bedside. A new cross-sectional study from Ningxia Hui Autonomous Region in northwestern China suggests that this competence is shaped less by individual grit alone and more by a combination of workplace atmosphere, thinking skills, confidence, and stress, with the workplace itself emerging as the single strongest correlate.

The study, published in BMC Nursing by a team led by Fuzhen Ma and Shuangdui Ji of Ningxia Medical University General Hospital, surveyed 616 clinical nurses drawn from seven tertiary public hospitals across five cities in Ningxia, a less-developed western region of China where evidence-based nursing has received comparatively little research attention. Of the 652 nurses approached between January and February 2026, 616 completed the questionnaires, a response rate of 94.48 percent. The researchers measured evidence-based practice competence, organizational climate, critical thinking, self-efficacy, and perceived stress using validated self-reported instruments, including the Evidence-Based Practice Competence Questionnaire for Registered Nurses, the General Self-Efficacy Scale, and the Chinese Perceived Stress Scale.

The headline number is striking: the mean item score of evidence-based practice competence was 3.94 out of 5, with a standard deviation of 0.86, indicating a moderately high self-assessed level of competence among the surveyed nurses. But the study’s real contribution lies in the statistical architecture built around that number. Using Pearson correlation, the team found that competence rose in lockstep with organizational climate (r = 0.508), critical thinking (r = 0.482), and self-efficacy (r = 0.386), all significant at P < 0.01, while perceived stress moved in the opposite direction (r = -0.284, P < 0.01). In other words, nurses who perceived their hospitals as supportive, who thought critically, and who felt confident in their abilities reported higher competence, whereas those under heavier psychological strain reported lower competence.

To disentangle the independent contribution of each factor, the researchers turned to hierarchical multiple linear regression, a technique that enters variables in blocks so that the effect of each predictor can be estimated while statistically controlling for demographic and professional characteristics such as age, education, and professional title. The results were unambiguous: organizational climate (β = 0.252, P < 0.001), critical thinking (β = 0.198, P < 0.001), self-efficacy (β = 0.138, P < 0.001), and perceived stress (β = -0.104, P = 0.008) each retained a significant independent association with competence. Together, the four factors explained 40.3 percent of the variance in evidence-based practice competence, a substantial share for a construct as complex as clinical decision-making.

What makes the findings especially compelling is the ranking. Organizational climate was the strongest correlate, with a β value 0.054 higher than critical thinking, 0.114 higher than self-efficacy, and 0.356 higher than perceived stress in absolute terms. This suggests that the environment in which nurses work, the degree to which leadership supports innovation, provides resources, and encourages questioning of established routines, may matter more than any individual psychological trait. The result aligns with Social Cognitive Theory, which holds that behavior is shaped by the continuous interplay between personal factors and the environment, and with Conservation of Resources theory, which posits that people perform better when their material and psychological resources are not being depleted by chronic strain.

The theoretical framing is not merely decorative. Social Cognitive Theory, developed by Albert Bandura, emphasizes that self-efficacy, the belief in one’s own capability to execute behaviors, is a key driver of performance, and the study’s finding that self-efficacy retained a significant independent association with competence is consistent with that framework. Conservation of Resources theory, meanwhile, helps explain why perceived stress showed a negative association: when nurses feel overwhelmed, their cognitive and emotional resources are drained, leaving less capacity for the deliberate, effortful work of searching for and appraising research evidence. The study’s authors argue that these mechanisms operate in parallel, and that interventions targeting only one domain are likely to fall short.

The practical implications are considerable. For hospital administrators, the message is that fostering a supportive organizational climate, through leadership training, resource allocation, and cultures that encourage questioning and innovation, may be the single most effective lever for improving evidence-based practice. For educators, the findings point to the value of cultivating critical thinking skills, perhaps through case-based learning and reflective exercises that push nurses beyond rote procedure. For clinical managers, the results suggest that stress management programs, workload adjustments, and psychological support are not merely wellness perks but direct contributors to the quality of clinical decision-making.

The study is not without limitations, and the authors are candid about them. Because all variables were measured through self-reported questionnaires, the findings reflect nurses’ perceptions rather than objectively measured competence, a distinction that matters when interpreting the results. Furthermore, the sample was drawn solely from Ningxia Hui Autonomous Region, which may limit generalizability to other regions or healthcare settings. The cross-sectional design also means that causal direction cannot be established; it is possible, for instance, that nurses who feel more competent also perceive their workplaces more favorably, rather than the reverse.

Nevertheless, the study fills an important gap. In China, ongoing healthcare reforms and the hospital accreditation system have increasingly emphasized evidence-based nursing, yet nurses’ competence in this area has remained understudied, particularly in less-developed western regions such as Ningxia. By examining the combined effects of organizational and psychological factors, the researchers have moved the field beyond single-predictor studies and toward a more realistic, multi-level model of how evidence actually gets translated into practice. The authors call for interventions that target organizational, cognitive, and psychological resources simultaneously, a recommendation that resonates with the broader movement in healthcare quality improvement toward systems-level thinking.

For a global audience of clinicians, educators, and health policymakers, the study offers a sobering reminder that the bedside application of research evidence is not simply a matter of individual knowledge or motivation. It is embedded in organizational climates that either nurture or stifle inquiry, in psychological resources that either sustain or deplete the capacity for careful thought, and in stress levels that either sharpen or dull clinical judgment. As healthcare systems worldwide grapple with the challenge of getting the best available evidence into everyday practice, the Ningxia findings suggest that the answer may lie not in exhorting individual nurses to try harder, but in building workplaces where trying harder is actually possible.

Subject of Research: Cross-sectional study of organizational and psychological correlates of evidence-based practice competence among clinical nurses in Ningxia, China

Article Title: Organizational climate, critical thinking, self-efficacy, and perceived stress as correlates of evidence-based practice competence among clinical nurses: a cross-sectional study

Article References: Ma, F., Yin, C., Yang, T., Guo, S., Zhang, W., & Ji, S. (2026). Organizational climate, critical thinking, self-efficacy, and perceived stress as correlates of evidence-based practice competence among clinical nurses: a cross-sectional study. BMC Nursing. https://doi.org/10.1186/s12912-026-05343-y

Image Credits: AI Generated

DOI: 10.1186/s12912-026-05343-y

Keywords: Evidence-based practice, Nursing research, Organizational climate, Critical thinking, Self-efficacy, Perceived stress, Clinical nurses, Cross-sectional study, Hierarchical regression, Ningxia China, Organizational, climate