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11 July 2012

Police stress creates health risks

The daily psychological stress that police officers experience in their work put them at higher risk than for a host of long-term physical and mental health effects.

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A landmark study of police officers in Buffalo, New York, reveals increased incidence of chronic disease, finds suicides higher among those still working.

The daily psychological stress that police officers experience in their work put them at significantly higher risk than the general population for a host of long-term physical and mental health effects. That's the overall finding of a major scientific study of the Buffalo Police Department called Buffalo Cardio-Metabolic Occupational Police Stress (BCOPS) conducted over five years by a University at Buffalo researcher.

"This is one of the first police population-based studies to test the association between the stress of being a police officer and psychological and health outcomes," says John Violanti, PhD, professor of social and preventive medicine in the UB School of Public Health and Health Professions, and principal investigator on the study, funded by the National Institutes of Health.

How the research was done

The research in a special issue of the International Journal of Emergency Mental Health, reveals connections between the daily stresses of police work and obesity, suicide, sleeplessness and cancer, as well as general health disparities between police officers and the general population.

The study was prompted by the assumption that the danger, high demands and exposure to human misery and death that police officers experience on the job contribute to an increased risk of cardiovascular disease and other chronic health outcomes.

"We wanted to know, in addition to stress, what are other contributing factors that lead to cardiovascular disease in police?," says Violanti, a former New York State trooper.

The study found, for example, that shift work is a contributing factor to an increase in metabolic syndrome, which is a cluster of symptoms that includes abdominal obesity, hypertension, insulin resistance, type 2 diabetes and stroke. Nearly half (46.9%) of officers in the BCOPS study worked a non-day shift compared to just 9% of US workers.

"We found that as a group, officers who work nights have a higher risk of metabolic syndrome than those who work day shifts," says Violanti.

The statistics

A total of 464 police officers participated in the study. Among the findings:

  • 40% of the officers were obese, compared with 32% of the general population.
  • More than 25% of the officers had metabolic syndrome, a cluster of symptoms believed to increase the risk of heart disease, stroke and diabetes, versus 18.7% of the general population.
  • Female and male officers experiencing the highest level of self-reported stress were four and six times more likely to have poor sleep quality, respectively.
  • Officers were at increased risk of developing Hodgkin's lymphoma and brain cancer after 30 years of service.
  • Suicide rates were more than eight times higher in working officers than they were in officers who had retired or left the police force.

"This finding challenges the common assumption that separated or retired officers are at increased risk for suicide," says Violanti, noting, however, that the need for suicide prevention efforts remains important for both active and retired officers.

The BCOPS findings demonstrate that police work by itself can put officers at risk for adverse health outcomes.

"Usually, health disparities are defined by socioeconomic and ethnic factors, but here you have a health disparity caused by an occupation," says Violanti, "highlighting the need to expand the definition of health disparity to include occupation as well."

Violanti adds that while police officers do have health insurance, the culture of police work often goes against the goal of improving health.

"The police culture doesn't look favourably on people who have problems," he says. "Not only are you supposed to be superhuman if you're an officer, but you fear asking for help." Police officers who reveal that they suffer from a chronic disease or health problem may lose financial status, professional reputation or both, he explains.

"If you have heart disease, you may not be allowed to go back on the street," he says. "That's a real threat. If you go for mental health counselling, you may not be considered for promotions and you may be shamed by your peers and superiors. In some cases, your gun can be taken away, so there is a real fear of going for help."

Change training

The answer, Violanti says, is to change the training of officers in police academy so they understand signs of stress and how to get them treated.

"Police recruits need to receive inoculation training against stress," says Violanti. "If I tell you that the first time you see a dead body or an abused child that it is normal to have feelings of stress, you will be better able to deal with them; exposure to this type of training inoculates you so that when it does happen, you will be better prepared. At the same time, middle and upper management in police departments need to be trained in how to accept officers who ask for help and how to make sure that officers are not afraid to ask for that help," he says.

The BCOPS study is based on extensive and rigorous medical testing and integrates a broad range of psychological, physiological and subclinical measures of stress, allowing for correlations between on-the-job stress and stress biomarkers that reveal the potential for adverse mental and physical health outcomes.

Violanti and his co-authors note: "This study would not have been possible without the cooperation of the Buffalo Police Department administration, the Police Benevolent Association and the exceptional men and women of the Buffalo Police Department. Our sincere thanks to them, as we look forward to our follow-up study."

(EurekAlert, July 2012)

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