Publications by authors named "Kate St Cyr"

Introduction: Older adults are at increased risk of severe illness and mortality from Coronavirus disease of 2019 (COVID-19) infection. However, public health strategies aimed at reducing spread of COVID-19 may have resulted in increased mental health symptoms, particularly among older adults. Currently, little is known about whether older Veterans were more likely to experience persistent mental health symptoms during the COVID-19 pandemic than non-Veterans.

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Introduction: Transitioning to civilian life after military service can be challenging for both Veterans and their families. Accessible mental health services are crucial during this period to provide support. The objective of this review was to conduct a rapid review to capture the barriers and identify facilitators that influence access to mental health services for Veterans and their families during the post-service transition period.

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Sex and gender may play a role in the association between occupational experiences and the mental health (MH) of defence and public safety personnel. This report summarizes the findings of three studies exploring sex-based differences in MH service use between Veterans and non-Veterans in Ontario. Female Veterans had significantly higher rates of MH-related physician visits, emergency department visits and hospitalizations compared to female non-Veterans.

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Objectives: Emergency departments (EDs) are a vital part of healthcare systems, at times acting as a gateway to community-based mental health (MH) services. This may be particularly true for veterans of the Royal Canadian Mounted Police who were released prior to 2013 and the Canadian Armed Forces, as these individuals transition from federal to provincial healthcare coverage on release and may use EDs because of delays in obtaining a primary care provider. We aimed to estimate the hazard ratio (HR) of MH-related ED visits between veterans and non-veterans residing in Ontario, Canada: (1) overall; and by (2) sex; and (3) length of service.

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Article Synopsis
  • Nearly 50% of Canadian Armed Forces members and Veterans seeking mental health treatment reported current cannabis use, highlighting its prevalence in this population.
  • Current cannabis users tended to be younger, have lower income, engage in potentially hazardous alcohol use, and report more bodily pain, but their PTSD and depressive severity did not significantly correlate with cannabis use.
  • The findings underline the need for further research into cannabis’s effectiveness for mental health issues, especially given the ongoing trend of its use among those seeking treatment.
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Introduction: Previous research comparing veteran and civilian mental health (MH) outcomes often assumes stable rates of MH service use over time and relies on standardisation or restriction to adjust for differences in baseline characteristics. We aimed to explore the stability of MH service use in the first 5 years following release from the Canadian Armed Forces and the Royal Canadian Mounted Police, and to demonstrate the impact of using increasingly stringent matching criteria on effect estimates when comparing veterans with civilians, using incident outpatient MH encounters as an example.

Methods: We used administrative healthcare data from veterans and civilians residing in Ontario, Canada to create three hard-matched civilian cohorts: (1) age and sex; (2) age, sex and region of residence; and (3) age, sex, region of residence and median neighbourhood income quintile, while excluding civilians with a history of long-term care or rehabilitation stay or receipt of disability/income support payments.

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Background: Differences in healthcare delivery systems and pathways to mental healthcare for Canadian Armed Forces (CAF) members and Veterans may contribute to variations in mental health services use (MHSU) and the factors associated with it. We: (1) estimated the prevalence of past 12-month MHSU (≥1 visit with a medical or mental health professional); and (2) identified sociodemographic, military-, trauma-, and health-related variables associated with MHSU among CAF members and Veterans.

Methods: The current study used data from the 2018 CAF Members and Veterans Mental Health Follow-Up Survey (CAFVMHS).

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Background: Occupational exposures may result in Canadian military Veterans having poorer health and higher use of health services after transitioning to civilian life compared to the general population. However, few studies have documented the physical health and health services use of Veterans in Canada, and thus there is limited evidence to inform public health policy and resource allocation.

Methods: In a retrospective, matched cohort of Veterans and the Ontario general population between 1990-2019, we used routinely collected provincial administrative health data to examine chronic disease prevalence and health service use.

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Introduction: Occupational exposures related to military service may increase the risk of cancer for military Veterans, while high levels of fitness during service may decrease risk. However, few studies have compared this post-career cancer risk directly to the employed general population.

Methods: This retrospective cohort study used linked administrative data.

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Background: The impacts of the COVID-19 pandemic have disproportionally affected different population groups. Veterans are more likely to have pre-existing mental health conditions compared to the general Canadian population, experience compounded stressors resulting from disruptions to familial, social, and occupational domains, and were faced with changes in health-care delivery (e.g.

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Background: Military-related posttraumatic stress disorder (PTSD) is a complex diagnosis with non-linear trajectories of coping and recovery. Current approaches to the evaluation of PTSD and treatment discontinuation often rely on biomedical models that dichotomize recovery based on symptom thresholds. This approach may not sufficiently capture the complex lived experiences of Veterans and their families.

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Background: The COVID-19 pandemic has resulted in significant changes to everyday life, including social distancing mandates, changes to health care, and a heightened risk of infection. Previous research has shown that Canadian Armed Forces (CAF) veterans are at higher risk of developing mental and physical health conditions. Veterans and their families may face unique social challenges that can compound with pandemic-related disruptions to negatively impact well-being.

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Background: Over 85% of active members of the Canadian Armed Forces have been exposed to potentially traumatic events linked to the development of posttraumatic stress disorder (PTSD). At the time of transition to civilian life, as high as 1 in 8 veterans may be diagnosed with PTSD. Given the high prevalence of PTSD in military and veteran populations, the provision of effective treatment considering their unique challenges and experiences is critical for mental health support and the well-being of these populations.

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Introduction: Military occupations have historically been, and continue to be, male dominated. As such, female military Veteran populations tend to be understudied, and comparisons of the physical health status and patterns of health services use between male and female Veterans are limited outside of US samples. This study aimed to compare the physical health and health services use between male and female Veterans residing in Ontario, Canada.

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Background: It has been suggested that cardiorespiratory fitness (CRF) may be used to identify those at greatest risk for severe COVID-19 illness. However, no study to date has examined the association between CRF and COVID-19. The objectives of this study were to determine whether CRF is independently associated with testing positive with or dying from COVID-19.

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Objective: Posttraumatic stress disorder (PTSD) and depression substantially impair health-related quality of life (HRQOL) for many Canadian Armed Forces (CAF) veterans. Although PTSD and depression are highly comorbid, little is known about whether the disorders may interact in their association with HRQOL. We sought to investigate whether depressive symptoms modify the relation between PTSD and HRQOL in treatment-seeking veterans.

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Objective: Among a sample of 341 treatment-seeking veterans and currently serving Canadian Forces members, our objectives were to identify factors of deployment experiences and determine whether they were related to the severity of posttraumatic stress disorder (PTSD) symptom clusters and depressive, anxiety, and alcohol use symptom severity.

Method: Participants completed questionnaires during intake to an outpatient mental health clinic. Factor analysis was used to determine factors of deployment experiences and which mental health conditions were associated with the factors.

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Introduction: There is mixed evidence regarding how posttraumatic stress disorder (PTSD) symptom clusters are associated with sexual dysfunction (SD), and most studies to date have failed to account for potentially confounding variables. Our study sought to explore the unique contribution of PTSD symptom clusters on (a) lack of sexual desire or pleasure, and (b) pain or problems during sexual intercourse, after adjusting for comorbidities and medication usage.

Materials And Methods: Participants included 543 male treatment-seeking veterans and Canadian Armed Forces (CAF) personnel (aged <65 years), referred for treatment between September 2006 and September 2014.

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Objective: Posttraumatic stress disorder (PTSD) is often accompanied by other mental health conditions, including major depressive disorder (MDD), substance misuse disorders, and anxiety disorders. The objective of the current study is to delineate classes of comorbidity and investigate predictors of comorbidity classes amongst a sample of Canadian Armed Forces (CAF) Regular Force personnel.

Methods: Latent class analyses (LCAs) were applied to cross-sectional data obtained between April and August 2013 from a nationally representative random sample of 6700 CAF Regular Force personnel who deployed to the mission in Afghanistan.

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Objective: The aim of this study was to assess potential predictors of sexual dysfunction and dissatisfaction in a sample of 99 current and former Canadian Forces members attending the Parkwood Hospital Operational Stress Injury Clinic for mental health treatment.

Methods: Respondents completed a number of questionnaires assessing sexual functioning, post-traumatic stress disorder symptom severity, health-related quality of life, and self-perceived masculinity traits.

Results: Regression analyses revealed that role limitations because of physical problems predicted erectile functioning (β = 0.

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Objective: Posttraumatic stress disorder (PTSD) is a significant psychiatric condition that may result from exposure to combat; it has been associated with severe psychosocial dysfunction. This study examined the predictors of long-term treatment outcomes in a group of veterans with military-related PTSD.

Method: The study consisted of a retrospective chart review of 151 consecutive veterans treated at an outpatient clinic for veterans with psychiatric disorders resulting from their military operations between January 2002 and May 2012.

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This study examined the association between somatic complaints and health-related quality of life (HR-QoL) in treatment-seeking Canadian military personnel with military-related Posttraumatic Stress Disorder (PTSD). Current and former Canadian Forces (CF) members attending the Parkwood Hospital Operational Stress Injury Clinic in London, Ontario (N=291) were administered self-report questionnaires assessing number and severity of somatic complaints, PTSD and depressive symptom severity, and mental and physical health-related quality of life (HR-QoL) prior to commencing treatment. Regression analyses were used to identify the role of somatic complaints on physical and mental HR-QoL, after controlling for PTSD symptom cluster and depressive symptom severity.

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Context: Previous research suggests that patients receiving palliative care may simultaneously experience poorly managed pain and post-traumatic stress disorder (PTSD)-related symptoms as a result of their deteriorating health.

Objectives: To: 1) examine predictors of PTSD-related symptoms in patients requiring palliative care; 2) assess whether anxiety, depression, pain catastrophizing, and pain anxiety mediate the relationship between pain interference and PTSD-related symptoms; and 3) evaluate the impact of these variables on pain interference and PTSD-related symptoms.

Methods: One hundred patients receiving palliative care at one of two palliative care sites in London, ON, Canada, completed the PTSD Checklist-Civilian version (PCL-C), the Hospital Anxiety and Depression Scale (HADS), the Pain Catastrophizing Scale (PCS), the Brief Pain Inventory-Short Form (BPI-SF), and the Pain Anxiety Symptoms Scale-20 (PASS-20).

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