Psychiatry - Research Publications
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ItemNo Preview AvailableAmbulatory assessment to predict problem anger in trauma-affected adults: Study protocol(PUBLIC LIBRARY SCIENCE, 2022-12-22)BACKGROUND: Problem anger is common after experiencing a traumatic event. Current evidence-driven treatment options are limited, and problem anger negatively affects an individual's capacity to engage with traditional psychological treatments. Smartphone interventions hold significant potential in mental health because of their ability to deliver low-intensity, precision support for individuals at the time and place they need it most. While wearable technology has the capacity to augment smartphone-delivered interventions, there is a dearth of evidence relating to several key areas, including feasibility of compliance in mental health populations; validity of in vivo anger assessment; ability to predict future mood states; and delivery of timely and appropriate interventions. METHODS: This protocol describes a cohort study that leverages 10 days of ambulatory assessment in the form of ecological momentary assessment and a wearable. Approximately 100 adults with problem anger will complete four-hourly in vivo mobile application-delivered micro-surveys on anger intensity, frequency, and verbal and physical aggression, as well as other self-reported mental health and wellbeing measures. Concurrently, a commercial wearable device will continuously record indicators of physiological arousal. The aims are to test the feasibility and acceptability of ambulatory assessment in a trauma-affected population, and determine whether a continuously measured physiological indicator of stress predicts self-reported anger intensity. DISCUSSION: This study will contribute new data around the ability of physiological indicators to predict mood state in individuals with psychopathology. This will have important implications for the design of smartphone-delivered interventions for trauma-affected individuals, as well as for the digital mental health field more broadly.
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ItemIntimate Partner Violence (IPV) in Military and Veteran Populations: A Systematic Review of Population-Based Surveys and Population Screening Studies(MDPI, 2022-07)Intimate partner violence (IPV) may be a major concern in military and veteran populations, and the aims of this systematic review were to (1) provide best available estimates of overall prevalence based on studies that are most representative of relevant populations, and (2) contextualise these via examination of IPV types, impacts, and context. An electronic search of PsycINFO, CINHAL, PubMed, and the Cochrane Library databases identified studies utilising population-based designs or population screening strategies to estimate prevalence of IPV perpetration or victimisation reported by active duty (AD) military personnel or veterans. Random effects meta-analyses were used for quantitative analyses and were supplemented by narrative syntheses of heterogeneous data. Thirty-one studies involving 172,790 participants were included in meta-analyses. These indicated around 13% of all AD personnel and veterans reported any recent IPV perpetration, and around 21% reported any recent victimisation. There were higher rates of IPV perpetration in studies of veterans and health service settings, but no discernible differences were found according to gender, era of service, or country of origin. Psychological IPV was the most common form identified, while there were few studies of IPV impacts, or coercive and controlling behaviours. The findings demonstrate that IPV perpetration and victimisation occur commonly among AD personnel and veterans and highlight a strong need for responses across military and veteran-specific settings. However, there are gaps in understanding of impacts and context for IPV, including coercive and controlling behaviours, which are priority considerations for future research and policy.
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ItemPrevalence of gambling problems, help-seeking, and relationships with trauma in veterans(PUBLIC LIBRARY SCIENCE, 2022-05-25)BACKGROUND AND AIMS: Veterans who have recently left the military (i.e., transitioned) may be vulnerable to the development of psychiatric disorders, but little is known about gambling problems in this population. This study investigated the prevalence and risk factors of gambling problems, help-seeking amongst veterans with gambling problems, and relationships with trauma and posttraumatic psychopathology. METHODS: Cross-sectional self-report survey data from 3,511 Australian Defence Force members who left the military within the past five years. Surveys included measures of gambling problems (PGSI); depressive symptoms (PHQ-9); posttraumatic stress disorder (PCL-5); help-seeking behaviours; military and non-military-related trauma. RESULTS: Prevalence rates for problem gambling (PGSI ≥ 5) were 4.6%, while an additional 8.8% were classified in terms of at-risk gambling (PGSI = 1-4). Time since leaving the military was not associated with gambling problems. Only 2.1% of veterans with problem gambling reported help-seeking for their gambling. While trauma exposure, depression, and Posttraumatic Stress Disorder (PTSD) were all related to gambling problems at the bivariate level, only arousal and dysphoric-related affect were uniquely associated with gambling problems when adjusting for covariates. DISCUSSION: Gambling problems may be under-recognised relative to other psychiatric issues. Posttraumatic mental health problems, rather than trauma exposure per se, may explain the relationship between trauma and gambling problems. CONCLUSIONS: Some veterans are in a period of vulnerability during transition out of military service, and harms associated with gambling problems may be exacerbated during this period.
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ItemHealth Service Interventions for Intimate Partner Violence among Military Personnel and Veterans: A Framework and Scoping Review(MDPI, 2022-03)IPV is a significant concern among active duty (AD) military personnel or veterans, and there is a need for initiatives to address violence perpetrated by such personnel, and IPV victimisation in military and veteran-specific contexts. The aim of this paper was to provide an overview of major IPV intervention approaches and evidence in military and veteran-specific health services. A scoping review was conducted involving a systematic search of all available published studies describing IPV interventions in military and veteran-specific health services. Findings were synthesised narratively, and in relation to a conceptual framework that distinguishes across prevention, response, and recovery-oriented strategies. The search identified 19 studies, all from the U.S., and only three comprised randomised trials. Initiatives addressed both IPV perpetration and victimisation, with varied interventions targeting the latter, including training programs, case identification and risk assessment strategies, and psychosocial interventions. Most initiatives were classified as responses to IPV, with one example of indicated prevention. The findings highlight an important role for specific health services in addressing IPV among AD personnel and veterans, and signal intervention components that should be considered. The limited amount of empirical evidence indicates that benefits of interventions remain unclear, and highlights the need for targeted research.
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ItemMental health across the early years in the military(CAMBRIDGE UNIV PRESS, 2023-06)BACKGROUND: The mental health impact of the initial years of military service is an under-researched area. This study is the first to explore mental health trajectories and associated predictors in military members across the first 3-4 years of their career to provide evidence to inform early interventions. METHODS: This prospective cohort study surveyed Australian Defence personnel (n = 5329) at four time-points across their early military career. Core outcomes were psychological distress (K10+) and posttraumatic stress symptoms [four-item PTSD Checklist (PCL-4)] with intra-individual, organizational and event-related trajectory predictors. Latent class growth analyses (LCGAs) identified subgroups within the sample that followed similar longitudinal trajectories for these outcomes, while conditional LCGAs examined the variables that influenced patterns of mental health. RESULTS: Three clear trajectories emerged for psychological distress: resilient (84.0%), worsening (9.6%) and recovery (6.5%). Four trajectories emerged for post-traumatic stress, including resilient (82.5%), recovery (9.6%), worsening (5.8%) and chronic subthreshold (2.3%) trajectories. Across both outcomes, prior trauma exposure alongside modifiable factors, such as maladaptive coping styles, and increased anger and sleep difficulties were associated with the worsening and chronic subthreshold trajectories, whilst members in the resilient trajectories were more likely to be male, report increased social support from family/friends and Australian Defence Force (ADF) sources, and use adaptive coping styles. CONCLUSIONS: The emergence of symptoms of mental health problems occurs early in the military lifecycle for a significant proportion of individuals. Modifiable factors associated with wellbeing identified in this study are ideal targets for intervention, and should be embedded and consolidated throughout the military career.
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ItemPiloting a scalable, post-trauma psychosocial intervention in Tuvalu: the Skills for Life Adjustment and Resilience (SOLAR) program(TAYLOR & FRANCIS LTD, 2021-01-01)BACKGROUND: The Skills for Life Adjustment and Resilience (SOLAR) programme is a brief, scalable, psychosocial skill-building programme designed to reduce distress and adjustment difficulties following disaster. OBJECTIVES: We tested the feasibility, acceptability, efficacy and safety of a culturally adapted version of SOLAR in two remote, cyclone-affected communities in the Pacific Island nation of Tuvalu. METHOD: This pilot adopted a quasi-experimental, control design involving 99 participants. SOLAR was administered to the treatment group (n = 49) by local, non-specialist facilitators (i.e. 'Coaches') in a massed, group format across 5 consecutive days. The control group (n = 50) had access to Usual Care (UC). We compared group differences (post-intervention vs. post-control) with psychological distress being the primary outcome. We also examined whether changes were maintained at 6-month follow-up. RESULTS: Large, statistically significant group differences in psychological distress were observed after controlling for baseline scores in favour of the SOLAR group. Mean group outcomes were consistently lower at 6-month follow-up than at baseline. SOLAR was found to be acceptable and safe, and programme feedback from participants and Coaches was overwhelmingly positive. CONCLUSIONS: Findings contribute to emerging evidence that SOLAR is a flexible, culturally adaptable and scalable intervention that can support individual recovery and adjustment in the aftermath of disaster. RCTs to strengthen evidence of SOLAR's efficacy are warranted.
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ItemTreatment Outcomes for Military Veterans With Posttraumatic Stress Disorder: Response Trajectories by Symptom Cluster(WILEY, 2018-06)Although effective posttraumatic stress disorder (PTSD) treatments are available, outcomes for veterans with PTSD are relatively modest. Previous researchers have identified subgroups of veterans with different response trajectories but have not investigated whether PTSD symptom clusters (based on a four-factor model) have different patterns of response to treatment. The importance of this lies in the potential to increase treatment focus on less responsive symptoms. We investigated treatment outcomes by symptom cluster for 2,685 Australian veterans with PTSD. We used Posttraumatic Stress Disorder Checklist scores obtained at treatment intake, posttreatment, and 3- and 9-month follow-ups to define change across symptom clusters. Repeated measures effect sizes indicated that arousal and numbing symptoms exhibited the largest changes between intake and posttreatment, dRM = -0.61 and dRM = -0.52, respectively, whereas avoidance and intrusion symptoms showed more modest reductions, dRM = -0.36 and dRM = -0.30, respectively. However, unlike the other symptom clusters, the intrusions cluster continued to show significant changes between posttreatment and 3-month follow-up, dRM = -0.21. Intrusion and arousal symptoms also showed continued changes between 3- and 9-month follow-ups although these effects were very small, dRM = -0.09. Growth curve model analyses produced consistent findings and indicated modest initial changes in intrusion symptoms that continued posttreatment. These findings may reflect the longer time required for emotional processing, relative to behavioral changes in avoidance, numbing, and arousal, during the program; they also reinforce the importance of prioritizing individual trauma-focused therapy directly targeting intrusions as the core component of programmatic treatment.
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ItemDefining post-traumatic stress disorder recovery in veterans: Benchmarking symptom change against functioning indicators(WILEY, 2021-08)Improved metrics of Post-traumatic stress disorder (PTSD) treatment response that extend beyond a focus on symptom reduction to incorporate meaningful, patient-centred indicators of functioning are needed in veteran populations. The aim of this study was to extend previous research by investigating whether indicators of functioning can successfully distinguish against symptom response categories derived from the Post-Traumatic Stress Disorder Checklist (PCL-5) pre- and post- PTSD treatment. Participants were 472 veterans receiving hospital-based treatment for PTSD. In addition to the PCL-5, measures included quality of life, social relationships, physical health and psychological distress. Four mutually exclusive, progressive response categories were used to define treatment response including: No Response, Response, Response and Below Threshold, and Remission. PTSD symptom reductions were associated with corresponding improvements in broader indicators of functioning. However, it was only when the magnitude of symptom reduction placed the individual in the 'Response and Below Threshold' category that improvement on functioning measures achieved levels indicative of a good end state. Traditional metrics of treatment 'response' in PTSD treatment do not necessarily indicate recovery on important functioning indicators. Only when an individual both responds to treatment and drops below threshold for probable disorder are they likely to report having meaningful levels of functioning.
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ItemAnger Dimensions and Mental Health Following a Disaster: Distribution and Implications After a Major Bushfire(WILEY, 2021-02)Anger is an important dimension of affect and a prominent feature of posttraumatic mental health, but it is commonly overlooked in postdisaster settings. We aimed to examine the distribution and implications of significant anger problems in the aftermath of a natural disaster, via analyses of Beyond Bushfires survey data from 736 residents of rural communities 5 years after the 2009 Black Saturday bushfires in Victoria, Australia. Assessments included the five-item Dimensions of Anger Reaction (DAR-5) scale along with measures of PTSD, depression, and significant mental illness, and indicators of life satisfaction, suicidality, hostile aggressive behavior, and violence exposure. The results indicated that approximately 10% of respondents from areas highly affected by the bushfires scored above the provisional cutoff criteria for significant anger problems on the DAR-5, which was a more than 3-fold increase, OR = 3.26, relative to respondents from areas of low-to-moderate bushfire impact. The rates were higher among women, younger participants, and those who were unemployed, and co-occurred commonly, although not exclusively, with other postdisaster mental health problems. Anger problems were also associated with lower life satisfaction, β = -.31, an 8-fold increase in suicidal ideation, OR = 8.68, and a nearly 13-fold increase in hostile aggressive behavior, OR = 12.98. There were associations with anger problems and violence exposure, which were reduced when controlling for covariates, including probable PTSD. The findings provide evidence indicating that anger is a significant issue for postdisaster mental health and should be considered routinely alongside other posttraumatic mental health issues.
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ItemNo Preview AvailablePosttraumatic Stress Disorder in Primary Care: A Study of General Practices in England(SPRINGER/PLENUM PUBLISHERS, 2021-09)Posttraumatic Stress Disorder (PTSD) may be a common issue in primary care in the UK, but there have been no studies of all-cause PTSD in general samples of attenders in this country. The current paper thus explores the extent and distribution of probable PTSD among patients attending general practices in England. Cross-sectional survey data from adult patients (n = 1058) attending 11 general practices in southwest England were analysed. Patients were recruited from waiting rooms and completed anonymous questionnaires, including measures of depression, anxiety and risky alcohol use. Current probable PTSD was measured using the 4-item Primary Care PTSD Scale (PC-PTSD). Results indicated 15.1% of patients that exhibited probable PTSD (PC-PTSD ≥ 3), with higher levels observed in practices from deprived areas. There were 53.8% of patients with probable PTSD that expressed the desire for help with these issues. The analyses suggested that rates were lowest among older adults, and highest among patients who were not in cohabitating relationships or were unemployed. Measures of anxiety and depression were associated with 10-fold and 16-fold increases in risk of probable PTSD, respectively, although there were no discernible associations with risky drinking. Such preliminary findings highlight the need for vigilance for PTSD in routine general practice in the UK, and signal a strong need for additional research and attention in this context.