Nearly Seven in Ten Nurses Show Signs of Moral Injury, German Study Finds

More than two-thirds of nurses working in German acute-care hospitals are carrying symptoms of moral injury severe enough to impair their family lives, social relationships, and ability to function at work, according to one of the largest investigations of moral suffering in nursing ever conducted. The cross-sectional study, published in BMC Nursing, surveyed 1,323 registered nurses across German inpatient settings and found that 68.6 percent scored above a validated clinical screening threshold for moral injury — a psychological wound that researchers once associated almost exclusively with soldiers returning from war.

The finding lands at a moment when health systems worldwide are grappling with unprecedented staff shortages and burnout. But the German data suggest that what is hollowing out the nursing workforce may not be simple exhaustion. It may be something darker and harder to measure: the accumulating damage done when professionals are forced, day after day, to act against their own moral convictions — or to watch the care they know patients deserve become impossible to deliver.

Moral injury entered the medical literature relatively recently. The concept originated in military psychology, where it described the lasting psychological burden suffered by service members who participated in, witnessed, or failed to prevent events that violated their deepest moral beliefs. Unlike post-traumatic stress disorder, which is rooted in fear, moral injury is rooted in conscience. It manifests as guilt, shame, spiritual anguish, and a corrosive sense of having been condemned — by others, by institutions, or by oneself. Only in recent years, accelerated by the strains of the coronavirus pandemic, have researchers begun applying the framework to health care workers, and nurses in acute inpatient care have emerged as a population at particular risk.

The new study distinguishes moral injury from a related but separate phenomenon: moral distress. First defined by philosopher Andrew Jameton in 1984, moral distress arises when a nurse knows the right thing to do but institutional constraints — understaffing, budget pressure, hierarchy — make it nearly impossible to do it. Moral distress is the acute friction of the moment. Moral injury, by contrast, is what may follow when that friction repeats without relief. The research team, led by Tobias Mai of University Hospital Goethe University Frankfurt, set out to measure both constructs in the same population for the first time in Germany, and to test whether the two are linked in the way an emerging ‘escalation model’ proposes: distress compounding, over time, into injury.

The methodology was deliberately rigorous. Participants completed the German Moral Distress Scale, the German Moral Injury Symptom Scale for Health Professionals, and the Perceived Organizational Support Scale, along with a questionnaire on the ethical and structural conditions of their institutions. Rather than relying on raw questionnaire totals, the researchers fitted partial credit Rasch models — a class of statistical models from item response theory that weight each question by its difficulty and convert responses into interval-level measures of the underlying trait. This approach, the authors argue, produces more robust estimates than classical scoring, because it acknowledges that some items probe more severe experiences than others and that the probability of a given answer depends on both the respondent’s true level of suffering and the sensitivity of the question.

The results were stark. The median moral injury score in the sample was 35 on a scale where the clinical screening threshold sits at 29, and the median moral distress intensity score was 30 out of a possible 48. Three sources of distress dominated: inadequate shift staffing, cited at high intensity by 55 percent of respondents; operational and financial pressure, cited by 39 percent; and insufficient competence among colleagues, also cited by 39 percent. More than half of the nurses reported encountering these morally corrosive situations at least once a week. And in a detail that underscores the systemic nature of the problem, 89 percent reported staff absences during their most recent shift.

The statistical relationship between the two constructs was unambiguous. Spearman correlation analysis revealed a strong positive association between moral distress and the guilt-and-shame dimension of moral injury (r = 0.57), with weaker but still significant links to the condemnation dimension (r = 0.39) and spiritual troubles (r = 0.22). In a univariate logistic regression, each one-unit increase on the Rasch-scaled moral distress measure was associated with 5.26-fold greater odds of screening positive for clinically relevant moral injury symptoms. A receiver operating characteristic analysis found that a moral distress score of 27 or higher on the raw scale identified moral injury cases with 71 percent sensitivity and 71 percent specificity — good, but far from perfect. Roughly 29 percent of nurses with moral injury symptoms were not flagged by their distress scores alone, evidence that the two constructs are empirically entangled yet conceptually distinct, and that measuring one cannot substitute for measuring the other.

Perhaps the most consequential findings concern what makes suffering worse — and what appears to protect against it. Perceived organizational support, measured on a seven-point scale, averaged just 3.37 in the sample, below the midpoint, and lower support was significantly associated with higher levels of both moral distress and moral injury across multiple dimensions. Conversely, nurses who reported satisfaction with how the treatment team considered their professional perspective during planned communication showed significantly lower scores on both measures. Having formal responsibility for staff was linked to lower guilt-and-shame and spiritual-troubles scores, a pattern the authors tentatively attribute to the greater decision-making autonomy that leadership roles confer. Years of professional experience, too, were associated with lower scores on the condemnation dimension of moral injury, suggesting that some form of moral hardening or accumulated coping capacity may develop over a career.

Not every intuitive intervention showed a protective effect, and the exceptions are instructive. Participation in interprofessional case discussions was actually associated with higher guilt-and-shame scores, and ethics consultations with higher spiritual-troubles scores. The researchers offer a candid interpretation: structured reflection on ethically fraught situations may initially sharpen nurses’ awareness of moral transgressions and intensify feelings of guilt before any therapeutic benefit materializes. Supportive structures were also strikingly underused — only about half of respondents had access to interprofessional case discussions or peer consultation, a quarter to supervision, and fewer than 12 percent to ethical guidelines at all.

The authors are careful about the limits of their design. The sample was recruited through professional societies and hospital networks rather than randomly, so more burdened nurses may have been more likely to respond, and the cross-sectional data cannot establish whether moral distress actually develops into moral injury over time — only that the two travel together. The regression models explained a modest share of the outcome variation, and no adjustment for multiple testing was applied, so the identified associations require confirmation. Still, the sheer scale of the sample, the randomization of questionnaire order to control for response bias, and the use of Rasch modeling lend the central findings considerable weight. The study is registered in the German Clinical Trials Register and was approved by the ethics board at University Medicine Greifswald.

What emerges is a picture of a workforce whose suffering is not a personal failing but an organizational product — and, the authors argue, an organizational responsibility. Where nurses felt valued, heard in team decisions, and supported by leadership, moral suffering was measurably lower. Where staffing collapsed and perspectives were ignored, it climbed. The researchers call for a shift away from framing the problem as insufficient individual resilience and toward shared institutional accountability: protected time and space for moral reflection, genuine inclusion of nursing perspectives in clinical communication, and leadership that treats ethical climate as infrastructure rather than ornament. With sickness-related absences among German care professionals rising steadily and staffing-related distress already exceeding levels reported in comparable Swiss and outpatient samples, the study’s warning is difficult to ignore. The moral wounds being documented are not incidental to the nursing shortage — by this evidence, they may be one of its driving forces.

Subject of Research: Moral distress and moral injury among nurses in German acute inpatient care

Article Title: Moral distress and moral injury among nurses in German acute inpatient care – a cross-sectional study

Article References: Mai, T., Seidlein, A.-H., Schilder, M., & Dahmer, I. (2026). Moral distress and moral injury among nurses in German acute inpatient care – a cross-sectional study. BMC Nursing, 25(1), Article 990. https://doi.org/10.1186/s12912-026-05526-7

Image Credits: AI Generated

DOI: 10.1186/s12912-026-05526-7

Keywords: moral injury, moral distress, nursing, acute care, organizational support, occupational mental health, Rasch analysis, healthcare workforce, medical ethics, staffing shortages, Germany, cross-sectional study