Research reportCareer prevalence and correlates of suicidal thoughts and behaviors among firefighters
Introduction
Suicide is a leading preventable cause of death. Each year, more than 800,000 individuals worldwide (World Health Organization, 2014) and approximately 40,000 individuals in the U.S. die by suicide (Centers for Disease Control and Prevention [CDC], 2015). Given the immense public health and personal burden of suicide, prominent leaders in medicine, including the Institute of Medicine (Institute of Medicine, 2002) and the U.S. Surgeon General (US Department of Health and Human Services Office of the Surgeon General and National Action Alliance for Suicide Prevention, 2012), have called for greater inquiry into the causes, prevention, assessment, and treatment of suicidal behavior.
Past research has demonstrated that certain occupational groups, by virtue of job-related exposures and hazards, have differential rates and correlates of suicidal behaviors (Milner et al., 2013). One group that is particularly important to study in terms of suicide is firefighters, in part because firefighters have distinct and traumatic occupational experiences that may confer elevated risk. Current theoretical models of suicide risk suggest that exposure to painful and provocative events inherent in firefighting may lower one's fear of death and elevate one's physical pain tolerance, creating conditions under which suicidal behaviors may emerge (Joiner, 2005, Van Orden et al., 2010). Within this theoretical model, work-life balance difficulties (e.g., shift work) among firefighters may lead to disruptions in familial social support (Regehr et al., 2005), thereby creating conditions under which suicidal ideation may emerge.
Studying suicide among firefighters is especially important given past research demonstrating that firefighters experience elevated rates of psychiatric disorders and symptoms, including depression, excessive alcohol and tobacco use, sleep disturbances, and post-traumatic stress disorder (PTSD; Carey et al., 2011; Corneil et al., 1999; Murphy et al., 1999). Among the general population, these conditions confer increased risk for suicidal ideation and both nonfatal and fatal suicide attempts (Nock et al., 2009, Nock et al., 2008a, Van Orden et al., 2010); yet, there are scant data among firefighters in particular. Musk et al. (1978) found that, among firefighters serving in Boston, rates of suicide fatalities were actually lower than those identified in the general population. However, a more recent study has called into question this notion, highlighting that protective service workers – inclusive of firefighters – have among the highest rates of workplace suicide fatalities (Tiesman et al., 2015). In light of these discrepant and preliminary data, and in considering the importance of studying the full continuum of suicidality (i.e., ideation, plans, attempts, NSSI, and fatalities), further research into suicidality among firefighters is warranted.
To our knowledge, only two studies have previously examined suicide ideation among firefighters, finding sleep disturbances as a risk factor (De Barros et al., 2012) and social support as a protective factor (Carpenter et al., 2015). These studies did not report prevalence rates or other key correlates, and they were limited in scope to suicide ideation. Thus, although these preliminary findings and anecdotal evidence suggest possible elevated rates of suicidal thoughts and behaviors among firefighters (Finney et al., 2015, Gist et al., 2011), there has yet to be an empirical investigation of prevalence rates and correlates of suicide ideation, plans, attempts, and non-suicidal self-injury (NSSI) in this unique population.
In this regard, there exists an immense need for greater research into suicide among firefighters. In 2011, the National Fallen Firefighters Foundation (2014) (NFFF) convened a workgroup of researchers, practitioners, and fire service representatives to discuss the state of the science on suicide among firefighters. The workgroup's findings highlighted the dearth of scientific data regarding suicidal thoughts and behaviors among firefighters and underscored the need for a study on their prevalence and correlates (Gist et al., 2011). Understanding the scope of the problem of suicide and its key associated factors is crucial in informing population-relevant screening, prevention, and intervention efforts.
As such, we conducted a nationwide survey on the behavioral and mental health of firefighters, inclusive of full-time, volunteer, and retired firefighters. Our aims were twofold: (1) to determine the career prevalence of suicide ideation, plans, attempts, and NSSI; and (2) to examine the sociodemographic, physical health, and occupational correlates of each of these points that fall along the continuum of suicidal behaviors.
Section snippets
Participants and procedures
Participants included a convenience sample of 1027 current and retired firefighters who completed a nationwide web-based survey during February 2015 (see Table 1). Individuals were between 18 and 82 years old (M=38.49, SD=11.70), and 91.2% were male.1 The majority was non-Hispanic
Results
Data on career prevalence of suicide ideation, plans, attempts, and NSSI are presented in Table 2. Sociodemographic, physical health, and occupation correlates are presented in Table 3.
Discussion
The aims of this study were: (1) to describe the career prevalence of suicide ideation, plans, attempts, and NSSI among a nationwide sample of firefighters; and (2) to describe the socio-demographic, physical health, and occupational correlates of each of these types of suicidal thoughts and behaviors.
Results revealed relatively high career prevalence rates of suicidal thoughts and behaviors among our sample of firefighters compared to the general population. Most strikingly, 15.5% of
Acknowledgements
This research was supported in part by a grant from the National Fallen Firefighters Foundation, and by the Military Suicide Research Consortium, an effort supported by the Office of the Assistant Secretary of Defense for Health Affairs under Award No. (W81XWH-10-2-0181). Opinions, interpretations, conclusions and recommendations are those of the authors and are not necessarily endorsed by the Military Suicide Research Consortium or the Department of Defense. The authors are grateful to the
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