Authors: Nina Beck Hansen; Sara Rosenbeck Møller; Ask Elklit; Lars Brandt; Lars L Andersen; Jesper Pihl-Thingvad · Research

How Do Repeated Traumatic Events Affect Police Officers' Mental Health Over Time?

A large study of Danish police officers examines the long-term mental health impacts of exposure to traumatic events on the job.

Source: Hansen, N. B., Møller, S. R., Elklit, A., Brandt, L., Andersen, L. L., & Pihl-Thingvad, J. (2022). Are You All right (AYA)? Association of cumulative traumatic events among Danish police officers with mental health, work environment and sickness absenteeism: protocol of a 3-year prospective cohort study. BMJ Open, 12(5), e049769. https://doi.org/10.1136/bmjopen-2021-049769

What you need to know

  • Police officers are frequently exposed to traumatic events on the job, which can lead to mental health problems like post-traumatic stress disorder (PTSD)
  • This 3-year study will follow about 3,300 Danish police officers to examine how repeated exposure to traumatic events affects their mental health over time
  • The research aims to identify early warning signs and risk factors to help prevent mental health problems in police officers

Studying the long-term mental health of police officers

Police work often involves exposure to traumatic and potentially life-threatening situations. While officers are trained to handle these events, repeated exposure over time can take a toll on mental health. A large new study in Denmark aims to track how these experiences affect police officers’ wellbeing over several years.

The “Are You All right?” (AYA) study will follow about 3,300 Danish police officers for three years. Participants will complete surveys every three months about traumatic events they’ve experienced on the job and their current mental health status. They’ll also fill out more detailed questionnaires once a year covering topics like work environment, social support, and coping strategies.

By collecting data over an extended period, the researchers hope to gain new insights into how the effects of trauma can build up over time for police officers. This long-term perspective is important, as some mental health impacts may only become apparent months or years after traumatic experiences.

Why police mental health matters

Police officers play a vital role in maintaining public safety, often at personal risk. Understanding and protecting their mental health is crucial not only for individual officers, but for the effectiveness of law enforcement overall.

Previous research has found that police officers have higher rates of post-traumatic stress disorder (PTSD) compared to the general public. One review study estimated that about 14% of police officers have PTSD at any given time. However, the full mental health impact of police work is still not fully understood.

Beyond PTSD, exposure to trauma may contribute to other issues like depression, anxiety, burnout, and alcohol misuse. These problems can affect officers’ wellbeing, job performance, and relationships both at work and at home.

By identifying risk factors and early warning signs, this research aims to inform better mental health support and prevention efforts for police. This could help officers stay healthier and more effective in their critical public service roles.

What makes this study unique

The AYA study has several features that set it apart from previous research on police mental health:

Large scale and long-term follow-up

With over 3,000 expected participants followed for three years, this is one of the largest and longest studies of its kind. This allows the researchers to detect patterns and changes that might not be apparent in smaller or shorter-term studies.

Focus on cumulative effects

Rather than just looking at reactions to single traumatic events, the study examines how exposure to multiple traumas over time affects mental health. This cumulative perspective is important for understanding the full impact of a police career.

Comprehensive data collection

The study collects a wide range of data, including:

  • Exposure to traumatic events
  • Mental health symptoms
  • Work environment factors
  • Individual coping strategies
  • Sick leave and presenteeism (working while ill)

This thorough approach allows researchers to examine how different factors interact to influence mental health outcomes.

Objective sick leave data

In addition to surveys, the study will use official sick leave records. This provides an objective measure of how mental health issues may be affecting officers’ ability to work.

Key concepts: PTSD and Complex PTSD

Two mental health conditions of particular interest in this study are post-traumatic stress disorder (PTSD) and complex post-traumatic stress disorder (CPTSD).

Post-traumatic stress disorder (PTSD)

PTSD can develop after exposure to a traumatic event. Symptoms include:

  • Reliving or re-experiencing the trauma (e.g. through nightmares or flashbacks)
  • Avoiding reminders of the trauma
  • Feeling on edge or easily startled
  • Negative changes in thoughts and mood

For a PTSD diagnosis, symptoms must persist for more than a month and significantly impair daily functioning.

Complex post-traumatic stress disorder (CPTSD)

CPTSD is a newer diagnosis that can result from prolonged or repeated trauma exposure. It includes the core symptoms of PTSD, plus additional difficulties with:

  • Emotion regulation
  • Self-perception (e.g. feeling worthless or ashamed)
  • Relationships

CPTSD may be particularly relevant for police officers due to their repeated exposure to trauma over time. One recent study even found higher rates of CPTSD than PTSD among police officers.

How trauma exposure may affect police officers differently

The researchers note that police officers may experience and react to trauma differently than the general public in several ways:

Gradual sensitization

Repeated exposure to traumatic events may gradually lower an officer’s threshold for being affected by stressful situations. At the same time, the intensity of their reactions may increase. This process is called sensitization.

Delayed onset of symptoms

For police officers, PTSD symptoms may not appear until months or years after traumatic experiences. This delayed reaction could be due to coping strategies that work in the short-term but break down over time.

Cumulative strain

Rather than resulting from a single event, mental health problems in police may develop gradually due to the accumulated strain of many traumatic exposures over time.

Understanding these unique aspects of trauma reactions in police is crucial for developing effective support and prevention strategies.

Beyond PTSD: Other potential impacts

While PTSD is a major focus, the study also examines other potential effects of cumulative trauma exposure, including:

General mental health problems

Officers may experience symptoms of depression, anxiety, or other mental health issues that don’t meet full criteria for PTSD.

Physical health complaints

Trauma exposure may contribute to physical symptoms like pain or fatigue.

Work performance issues

Mental health problems could affect officers’ ability to cooperate with colleagues or effectively carry out job duties.

Presenteeism

Officers may come to work while not feeling well, potentially impacting their performance and safety. The study will examine presenteeism as a possible early warning sign of more serious problems.

Factors that may influence mental health outcomes

A key goal of the study is to identify factors that may increase or decrease the risk of mental health problems following trauma exposure. These include:

Individual factors

  • Age and years of service
  • Previous trauma history
  • Coping strategies
  • Social support outside of work

Work environment factors

  • Workload and job demands
  • Support from colleagues and supervisors
  • Role clarity
  • Organizational policies and culture

By examining how these factors interact with trauma exposure, the research aims to pinpoint which elements are most important for protecting officers’ mental health.

Potential impacts of the research

The findings from this study could have several important applications:

Improved screening and early intervention

Identifying early warning signs of mental health problems could help police organizations provide support to at-risk officers before issues become severe.

Enhanced prevention strategies

Understanding risk and protective factors can inform policies and practices to create a more supportive work environment for officers.

Better treatment approaches

Insights into how trauma affects police officers over time may lead to more effective mental health treatments tailored to this population.

Reduced stigma

Increasing knowledge about the mental health impacts of police work may help reduce stigma and encourage more officers to seek help when needed.

Conclusions

  • This large, long-term study will provide new insights into how repeated exposure to traumatic events affects police officers’ mental health over time
  • The research examines a wide range of factors that may influence mental health outcomes, including individual characteristics and work environment
  • Findings could inform better strategies for preventing and addressing mental health issues in police, ultimately supporting officer wellbeing and public safety
Back to Blog

Related Articles

View All Articles »