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Abstract Background To conserve critically endangered predators, we also need to conserve the prey species upon which they depend. Velvet geckos (Oedura lesueurii) are a primary prey for the endangered broad-headed snake (Hoplocephalus bungaroides), which is restricted to sandstone habitats in southeastern Australia. We sequenced the ND2 gene from 179 velvet geckos, to clarify the lizards’ phylogeographic history and landscape genetics. We also analysed 260 records from a longterm (3-year) capture-mark-recapture program at three sites, to evaluate dispersal rates of geckos as a function of locality, sex and body size. Results The genetic analyses revealed three ancient lineages in the north, south and centre of the species’ current range. Estimates of gene flow suggest low dispersal rates, constrained by the availability of contiguous rocky habitat. Mark-recapture records confirm that these lizards are highly sedentary, with most animals moving Conclusion The low vagility of these lizards suggests that they will be slow to colonise vacant habitat patches; and hence, efforts to restore degraded habitats for broad-headed snakes may need to include translocation of lizards.

Background: Self-harm and suicide behaviours are a major public health concern. Several factors are associated with these behaviours among military communities. Identifying these factors may have important implications for policy and clinical services. The aim of this review was to identify the risk and protective factors associated with self-harm and suicide behaviours among serving and ex-serving personnel of the United Kingdom Armed Forces, Canadian Armed Forces, Australian Defence Force and New Zealand Defence Force., Methods: A systematic search of seven online databases (PubMed, Web of Science, Embase, Global Health, PsycINFO, PTSDpubs and CINAHL) was conducted alongside cross-referencing, in October 2022. Following an a priori PROSPERO approved protocol (CRD42022348867), papers were independently screened and assessed for quality. Data were synthesised using a narrative approach., Results: Overall, 28 papers were included: 13 from Canada, 10 from the United Kingdom, five from Australia and none from New Zealand. Identified risk factors included being single/ex-relationship, early service leavers, shorter length of service (but not necessarily early service leavers), junior ranks, exposure to deployment-related traumatic events, physical and mental health diagnoses, and experience of childhood adversity. Protective factors included being married/in a relationship, higher educational attainment, employment, senior ranks, and higher levels of perceived social support., Conclusion: Adequate care and support are a necessity for the military community. Prevention and intervention strategies for self-harm and suicide behaviours may be introduced early and may promote social networks as a key source of support. This review found a paucity of peer-reviewed research within some populations. More peer-reviewed research is needed, particularly among these populations where current work is limited, and regarding modifiable risk and protective factors., Competing Interests: CW is currently in receipt of a funded PhD studentship via Phase 4 of the King’s Centre for Military Health Research Health and Wellbeing Cohort Study funded by the Office for Veterans’ Affairs (OVA), Cabinet Office, UK Government. BC is currently in receipt of a funded PhD studentship from The Economic and Social Research Council (ESRC), UK Government. AS is a full-time member of the British Army seconded to King’s College London. NTF is partly funded by the United Kingdom’s Ministry of Defence (MOD). MLS is fully funded by a grant from the OVA. SAMS is supported by the National Institute for Health and Care Research (NIHR) Maudsley Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and the National Institute for Health and Care Research, NIHR Advanced Fellowship, Dr Sharon Stevelink, NIHR300592. The views expressed in this publication are those of the authors and not necessarily those of the OVA, the ESRC, the British Army, the MOD, the NHS, or the NIHR. All authors have approved the manuscript and agree with its submission to PLOS ONE. Any conflicts of interest have been outlined in the manuscript. This does not alter our adherence to PLOS ONE policies on sharing data and materials., (Copyright: © 2024 Williamson et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)

This editorial comments on the paper by Martin McBride and the UK REACH team (published in 2023) investigating financial concerns in UK healthcare workers and depressive symptoms. The research concludes that reporting future financial concerns at baseline increased the odds of depressive symptoms at follow-up around 18 months later. We discuss these findings in the context of the cost-of-living crisis and pay disputes within the NHS, important policy implications and directions for future research.

Background: Previous research demonstrates that less than 50% of military veterans experiencing mental health difficulties seek formal support. Veterans often struggle to identify problems as mental health difficulties. In addition, they may fail to recognize the need for support before reaching a crisis point and face difficulties navigating care pathways to access support., Objective: A feasibility trial was conducted to assess a novel digital smartphone app (Mental Health Toolkit for Veterans Project [MeT4VeT]) for UK Armed Forces (UKAF) veterans experiencing mental health difficulties. The trial aimed to explore the feasibility and acceptability of trial procedures for a later randomized controlled trial (RCT) and to assess the acceptability of the MeT4VeT app., Methods: Participants were recruited at UK military medical centers, by advertising on social media, and through veteran third-sector organizations between February and November 2021, and assessed for eligibility (male, owned a smartphone, served at least 2 years in the UKAF, left the UKAF within the last 2 years, not undertaking formal mental health treatment). Eligible participants were assigned, on a 1:1 ratio, to either the intervention group (full app) or a control group (noninteractive app with signposting information). Three key objectives were determined a priori to assess the practicality of running an RCT including an assessment of recruitment and retention, evaluation of the technical app delivery and measurement processes, and acceptability and usability of the intervention., Results: In total, 791 individuals completed the participant information sheet, of which 261 (33%) were ineligible, 377 (48%) declined or were unable to be contacted for consent, and 103 (13%) did not download the app or complete the baseline measures. Of this, 50 participants completed baseline measures and were randomly assigned to the intervention group (n=24) or the control group (n=26). The trial was effective at enabling both the technical delivery of the intervention and collection of outcome measures, with improvements in mental health demonstrated for the intervention group from baseline to the 3-month follow-up. Recruitment and retention challenges were highlighted with only 50 out of the 530 eligible participants enrolled in the trial. The acceptability and usability of the MeT4VeT app were generally supported, and it was reported to be a useful, accessible way for veterans to monitor and manage their mental health., Conclusions: The results highlighted that further work is needed to refine recruitment processes and maintain engagement with the app. Following this, an RCT can be considered to robustly assess the ability of the app to positively affect mental health outcomes indicated within this trial., Trial Registration: ClinicalTrials.gov NCT05993676; https://clinicaltrials.gov/ct2/show/NCT05993676., (©Steven Parkes, Bethany Croak, Samantha K Brooks, Sharon A M Stevelink, Daniel Leightley, Nicola T Fear, Laura Rafferty, Neil Greenberg. Originally published in JMIR Mental Health (https://mental.jmir.org), 28.08.2023.)

Background: Partners and family can play a key role in encouraging military service and ex-service personnel to seek help for their mental health. Community Reinforcement Approach and Family Training (CRAFT) was developed to equip concerned significant others (CSOs) of those experiencing substance use disorders with skills to encourage their loved one to enter treatment and improve their own well-being. It was adapted in the US for CSOs of ex-service personnel with post-traumatic stress disorder (PTSD) (VA-CRAFT). Objective: This study aimed to evaluate an adaptation of VA-CRAFT for use with CSOs of serving and ex-service personnel experiencing PTSD and Common Mental Disorders in the UK (UKV-CRAFT). Method: Acceptability of UKV-CRAFT was assessed with interviews with experts, namely key stakeholders ( n  = 15) working in support provision for serving and ex-service personnel. In addition, individuals who took part in a small-scale demonstrative trial of UKV-CRAFT (three CSOs and three facilitators who delivered UKV-CRAFT) provided feedback. Results: UKV-CRAFT was viewed positively, with interviewees highlighting that programmes like UKV-CRAFT filled a gap in provision for UK Armed Forces families as most services were only available to the serving or ex-service personnel. Interviewees praised how UKV-CRAFT enhanced CSO well-being and communication with their loved one. Concerns over the confidentiality of taking part in UKV-CRAFT were raised due to the perceived negative effects of highlighting a loved one's mental ill health, especially for CSOs of serving personnel. Ideas for improvement included broadening access to all CSOs regardless of whether their loved one was seeking treatment. Conclusion: Interviewees regarded UKV-CRAFT as a potentially useful intervention suggesting it could be proactively offered universally to support timely help-seeking if required. We recommend further evaluation of UKV-CRAFT on a wider scale, incorporating our recommendations, to assess its effectiveness accurately.

Background: Healthcare workers (HCWs) have provided vital services during the COVID-19 pandemic, but existing research consists of quantitative surveys (lacking in depth or context) or qualitative interviews (with limited generalisability). Structural Topic Modelling (STM) of large-scale free-text survey data offers a way of capturing the perspectives of a wide range of HCWs in their own words about their experiences of the pandemic., Methods: In an online survey distributed to all staff at 18 geographically dispersed NHS Trusts, we asked respondents, "Is there anything else you think we should know about your experiences of the COVID-19 pandemic?". We used STM on 7,412 responses to identify topics, and thematic analysis on the resultant topics and text excerpts., Results: We identified 33 topics, grouped into two domains, each containing four themes. Our findings emphasise: the deleterious effect of increased workloads, lack of PPE, inconsistent advice/guidance, and lack of autonomy; differing experiences of home working as negative/positive; and the benefits of supportive leadership and peers in ameliorating challenges. Themes varied by demographics and time: discussion of home working decreasing over time, while discussion of workplace challenges increased. Discussion of mental health was lowest between September-November 2020, between the first and second waves of COVID-19 in the UK., Discussion: Our findings represent the most salient experiences of HCWs through the pandemic. STM enabled statistical examination of how the qualitative themes raised differed according to participant characteristics. This relatively underutilised methodology in healthcare research can provide more nuanced, yet generalisable, evidence than that available via surveys or small interview studies, and should be used in future research., Competing Interests: MH, RR, and SW are senior NIHR Investigators. SW has received speaker fees from Swiss Re for two webinars on the epidemiological impact of COVID 19 pandemic on mental health. RR reports grants from DHSC/UKRI/ESRC COVID-19 Rapid Response Call, grants from Rosetrees Trust, grants from King’s Together rapid response call, grants from UCL (Wellcome Trust) rapid response call, during the conduct of the study; & grants from NIHR outside the submitted work. MH reports grants from DHSC/UKRI/ESRC COVID-19 Rapid Response Call, grants from Rosetrees Trust, grants from King’s Together rapid response call, grants from UCL Partners rapid response call, during the conduct of the study; grants from Innovative Medicines Initiative and EFPIA, RADAR-CNS consortium, grants from MRC, grants from NIHR, outside the submitted work. SS reports grants from UKRI/ESRC/DHSC, grants from UCL, grants from UKRI/MRC/DHSC, grants from Rosetrees Trust, grants from King’s Together Fund, and an NIHR Advanced Fellowship [ref: NIHR 300592] during the conduct of the study. NG reports a potential COI with NHSEI, during the conduct of the study; and I am the managing director of March on Stress Ltd which has provided training for a number of NHS organisations although I am not clear if the company has delivered training to any of the participating trusts or not as I do not get directly involved in commissioning specific pieces of work. DL is funded by the NIHR ARC North Thames. The views expressed in this publication are those of the authors and not necessarily those of the National Institute for Health Research or the Department of Health and Social Care. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. Other authors report no competing interests. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

(1) Background: UK Armed Forces personnel provide first response, support and protection during national and international disasters and conflicts. They thus have a psychologically challenging role which requires them to maintain a good state of mental health and wellbeing. HeadFIT is a preventative initiative developed to help foster mental fitness through various self-help tools and resources online including techniques to de-stress and increase drive. This paper reports on an independent service evaluation of HeadFIT to examine feasibility and acceptability among Ministry of Defence (MOD) personnel. (2) Methods: Qualitative interviews were held with the HeadFIT beneficiaries, including military personnel and civil servants. The beneficiaries provided feedback on HeadFIT through questionnaires and interviews, and website traffic data were also collected. Qualitative data were analysed using framework analysis. (3) Results: Beneficiaries generally reported positive views on the HeadFIT initiative, with most agreeing that the tools could support them to foster their mental fitness. However, concerns were raised around the uptake of HeadFIT and participants suggested methods to improve usability. (4) Conclusions: Several recommendations were made to improve the resources, usability, uptake, and implementation and communication of HeadFIT.