Cumulative Lifetime Trauma Exposure Among Employed Mental Health Care Professionals and Associations With Professional Quality of Life: A Cross-Sectional Survey.

Abstract

Introduction: Mental health care professionals face emotionally demanding work and often carry invisible personal trauma histories.

Aim: To examine cumulative lifetime trauma exposure among employed psychiatric mental health care professionals and its associations with burnout, secondary traumatic stress, and compassion satisfaction.

Method: A cross-sectional survey among 309 staff (31.4% registered nurses, 43.7% healthcare assistants, 12.0% psychiatrists and psychologists, 12.9% other) at a Danish psychiatric centre assessed cumulative lifetime trauma exposure, operationalised as a count of ten potentially traumatic event categories, using the Brief Trauma Questionnaire and professional quality of life (ProQOL).

Results: Among those reporting trauma, 34.3% endorsed two or more categories. Higher trauma exposure was associated with secondary traumatic stress (β = 1.27, p = 0.005) and burnout (β = 1.05, p = 0.028) but not compassion satisfaction (p = 0.759).

Discussion: Cumulative trauma exposure is a largely invisible background characteristic contributing independently to trauma-related professional strain. Thisis particularly relevant for nursing, as nurses and nursing support staff constitute 75.1% of the inpatient workforce.

Limitations: Cross-sectional design and single-centre sample limit causal inference and generalisability.

Implications: Findings support universal, trauma-informed organisational approaches that do not require disclosure of personal trauma histories, making them feasible for all staff.

Recommendations: Longitudinal studies should examine associations between trauma exposure and occupational demands.

Relevance statement: Mental health nursing takes place in emotionally demanding environments where staff are routinely exposed to patients' traumatic experiences. This study demonstrates that employed psychiatric mental health care professionals commonly carry cumulative lifetime trauma histories that are associated with secondary traumatic stress and burnout, independent of workplace exposures. These findings are directly relevant to mental health nursing practice, as they highlight a largely invisible source of workforce vulnerability that is unlikely to be effectively addressed through individual screening or targeted interventions. The findings support the implementation of universal, trauma-informed organisational strategies that protect all mental health care staff, including nursing staff, regardless of personal trauma history.