Outputs (40)

Sharing data to better understand one of the world’s most significant shared experiences: Data Resource Profile of the longitudinal COVID-19 Psychological Research Consortium (C19PRC) Study (2022)
Journal Article
McBride, O., Butter, S., Hartman, T. K., Murphy, J., Hyland, P., Shevlin, M., Gibson-Miller, J., Levita, L., Mason, L., Martinez, A. P., McKay, R., Lloyd, A., Stocks, T. V., Bennett, K. M., Vallières, F., Karatzias, T., Valiente, C., Vazquez, C., Contreras, A., Bertamini, M., …Bentall, R. P. (2022). Sharing data to better understand one of the world’s most significant shared experiences: Data Resource Profile of the longitudinal COVID-19 Psychological Research Consortium (C19PRC) Study. International Journal of Population Data Science, 5(4), https://doi.org/10.23889/ijpds.v5i4.1704

This paper serves to alert IJPDS readers to the availability of a major new longitudinal survey data resource, the COVID-19 Psychological Research Consortium (C19PRC) Study, which is being released for secondary use via the Open Science Framework. Th... Read More about Sharing data to better understand one of the world’s most significant shared experiences: Data Resource Profile of the longitudinal COVID-19 Psychological Research Consortium (C19PRC) Study.

Childhood adversity, mental health and suicide (CHASE): a longitudinal case-control linked data study of lifetime inpatient records associated with suicide (2022)
Presentation / Conference Contribution
Savinc, J., Dougall, N., Maxwell, M., Karatzias, T., O'Connor, R., Williams, B., John, A., Cheyne, H., Fyvie, C., Bisson, J., Hibberd, C., Abbott-Smith, S., & Nolan, L. Childhood adversity, mental health and suicide (CHASE): a longitudinal case-control linked data study of lifetime inpatient records associated with suicide. Presented at International Population Data Linkage Conference 2022

Objectives
Childhood adversity (CA) carries an increased risk of developing later mental health (MH) problems and suicidal behaviour. This study aimed to summarise lifetime hospital attendances for CA and MH in young people who later died by suicide... Read More about Childhood adversity, mental health and suicide (CHASE): a longitudinal case-control linked data study of lifetime inpatient records associated with suicide.

The psychological consequences of the Ukraine war: What we know, and what we have to learn (2022)
Journal Article
Shevlin, M., Hyland, P., & Karatzias, T. (2022). The psychological consequences of the Ukraine war: What we know, and what we have to learn. Acta Psychiatrica Scandinavica, 146(2), 105-106. https://doi.org/10.1111/acps.13466

Invited editorial.

Measuring positive memories of home and family during childhood: The development and initial validation of the ‘Memories of Home and Family Scale’ (2022)
Journal Article
Shevlin, M., Redican, E., McElroy, E., Ben-Ezra, M., Karatzias, T., & Hyland, P. (2023). Measuring positive memories of home and family during childhood: The development and initial validation of the ‘Memories of Home and Family Scale’. Current Psychology, 42(26), 22255-22264. https://doi.org/10.1007/s12144-022-03220-w

There is a burgeoning evidence base highlighting the positive influence of benevolent childhood experiences (BCEs), even in the context of adversity. However, few measures are available to assess BCEs. The current study sought to develop and validate... Read More about Measuring positive memories of home and family during childhood: The development and initial validation of the ‘Memories of Home and Family Scale’.

How is Loneliness Related to Anxiety and Depression: a Population Based Network Analysis in the Early Lockdown Period (2022)
Journal Article
Owczarek, M., Nolan, E., Shevlin, M., Butter, S., Karatzias, T., McBride, O., Murphy, J., Vallieres, F., Bentall, R., Martinez, A., & Hyland, P. (2022). How is Loneliness Related to Anxiety and Depression: a Population Based Network Analysis in the Early Lockdown Period. International Journal of Psychology, 57(5), 585-596. https://doi.org/10.1002/ijop.12851

Introduction
High risk of mental health problems is associated with loneliness resulting from social distancing measures and ‘lockdowns’ that have been imposed globally due to the COVID-19 pandemic. This study explores the interconnectedness of lon... Read More about How is Loneliness Related to Anxiety and Depression: a Population Based Network Analysis in the Early Lockdown Period.

Traumatic life events as risk factors for psychosis and ICD-11 complex PTSD: a gender-specific examination (2021)
Journal Article
Ho, G. W. K., Hyland, P., Karatzias, T., Bressington, D., & Shevlin, M. (2021). Traumatic life events as risk factors for psychosis and ICD-11 complex PTSD: a gender-specific examination. European Journal of Psychotraumatology, 12(1), Article 2009271. https://doi.org/10.1080/20008198.2021.2009271

Background. Numerous studies found robust associations between psychosis and posttraumatic stress disorder (PTSD), but few have examined the relationships between psychosis and recently formulated ICD-11 Complex PTSD (CPTSD). Further, no known study... Read More about Traumatic life events as risk factors for psychosis and ICD-11 complex PTSD: a gender-specific examination.

Fatalism and ICD-11 CPTSD and PTSD diagnoses: Results from Nigeria, Kenya & Ghana (2021)
Journal Article
Levin, Y., Bachem, R., Palgi, Y., Hyland, P., Karatzias, T., Shevlin, M., Ben-Ezra, M., & Maercker, A. (2021). Fatalism and ICD-11 CPTSD and PTSD diagnoses: Results from Nigeria, Kenya & Ghana. European Journal of Psychotraumatology, 12(1), Article 1988452. https://doi.org/10.1080/20008198.2021.1988452

Background: Existing research on posttraumatic sequelae suggests a positive association between fatalism and symptoms of posttraumatic stress disorder (PTSD). However, the associations between fatalism and the new ICD-11 diagnosis of complex PTSD (CP... Read More about Fatalism and ICD-11 CPTSD and PTSD diagnoses: Results from Nigeria, Kenya & Ghana.

Mental health of adults in Ireland during the first year of the COVID-19 pandemic: Results from a nationally representative, longitudinal study (2021)
Journal Article
Hyland, P., Vallières, F., McBride, O., Murphy, J., Shevlin, M., Bentall, R. P., Butter, S., Hartman, T. K., Karatzias, T., Maclachlan, M., Maguire, R., Mchugh Power, J., Spikol, E., & Daly, M. (2023). Mental health of adults in Ireland during the first year of the COVID-19 pandemic: Results from a nationally representative, longitudinal study. Psychological Medicine, 53(8), 3766 - 3768. https://doi.org/10.1017/S0033291721004360

No abstract available.

ICD-11 ‘Mixed Depressive and Anxiety Disorder’ is Clinical Rather than Sub-Clinical and More Common than Anxiety and Depression in the General Population (2021)
Journal Article
Shevlin, M., Hyland, P., Nolan, E., Owczarek, M., Ben-Ezra, M., & Karatzias, T. (2022). ICD-11 ‘Mixed Depressive and Anxiety Disorder’ is Clinical Rather than Sub-Clinical and More Common than Anxiety and Depression in the General Population. British Journal of Clinical Psychology, 61(1), 18-36. https://doi.org/10.1111/bjc.12321

Background: The new International Classification of Diseases was published in 2018 (ICD-11; World Health Organization, 2018) and now includes ‘Mixed depressive and anxiety disorder’ (6A73: MDAD) designated as a mood disorder. This disorder is defined... Read More about ICD-11 ‘Mixed Depressive and Anxiety Disorder’ is Clinical Rather than Sub-Clinical and More Common than Anxiety and Depression in the General Population.

ICD-11 Complex Post Traumatic Stress Disorder (CPTSD) in parents with perinatal bereavement: Implications for treatment and care (2021)
Journal Article
Hollins Martin, C. J., Patterson, J., Paterson, C., Welsh, N., Dougall, N., Karatzias, T., & Williams, B. (2021). ICD-11 Complex Post Traumatic Stress Disorder (CPTSD) in parents with perinatal bereavement: Implications for treatment and care. Midwifery, 96, Article 102947. https://doi.org/10.1016/j.midw.2021.102947

The 11th revision of the WHO International Classification of Diseases (ICD-11) has identified Complex PTSD (CPTSD) as a new condition.
Aim: To explore whether the new diagnosis of CPTSD (ICD11) is relevant to women who have experienced perinatal be... Read More about ICD-11 Complex Post Traumatic Stress Disorder (CPTSD) in parents with perinatal bereavement: Implications for treatment and care.

Does requiring trauma exposure affect rates of ICD-11 PTSD and complex PTSD? Implications for DSM-5 (2020)
Journal Article
Hyland, P., Karatzias, T., Shevlin, M., Mcelroy, E., Ben-Ezra, M., Cloitre, M., & Brewin, C. R. (2021). Does requiring trauma exposure affect rates of ICD-11 PTSD and complex PTSD? Implications for DSM-5. Psychological Trauma: Theory, Research, Practice, and Policy, 13(2), 133-141. https://doi.org/10.1037/tra0000908

Objective: There is little evidence that posttraumatic stress disorder (PTSD) is more likely to follow traumatic events defined by Criterion A than non-Criterion A stressors. Criterion A events might have greater predictive validity for ICD-11 PTSD w... Read More about Does requiring trauma exposure affect rates of ICD-11 PTSD and complex PTSD? Implications for DSM-5.

Adverse and Benevolent Childhood Experiences in Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD): Implications for Trauma-Focused Therapies (2020)
Journal Article
Karatzias, T., Shevlin, M., Fyvie, C., Grandison, G., Garozi, M., Latham, E., Sinclair, M., Ho, G. W. K., McAnee, G., Ford, J. D., & Hyland, P. (2020). Adverse and Benevolent Childhood Experiences in Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD): Implications for Trauma-Focused Therapies. European Journal of Psychotraumatology, 11(1), Article 1793599. https://doi.org/10.1080/20008198.2020.1793599

Objectives
We set out to test, using latent variable modelling, whether adverse and benevolent childhood experiences could be best described as a single continuum or two correlated constructs. We also modelled the relationship between adverse and b... Read More about Adverse and Benevolent Childhood Experiences in Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD): Implications for Trauma-Focused Therapies.

ICD-11 Posttraumatic Stress Disorder (PTSD), Complex PTSD (CPTSD) and Adjustment Disorder (AjD): The importance of stressors and traumatic life events (2020)
Journal Article
Karatzias, T., Shevlin, M., Hyland, P., Fyvie, C., Grandison, G., & Ben-Ezra, M. (2021). ICD-11 Posttraumatic Stress Disorder (PTSD), Complex PTSD (CPTSD) and Adjustment Disorder (AjD): The importance of stressors and traumatic life events. Anxiety, Stress and Coping, 34(2), 191-202. https://doi.org/10.1080/10615806.2020.1803006

Background
Although ICD-11 adjustment (AjD), posttraumatic stress (PTSD) and complex posttraumatic stress (CPTSD) are commonly diagnosed disorders following exposure to stressful or traumatic life events, their dimensional structure and co-occurren... Read More about ICD-11 Posttraumatic Stress Disorder (PTSD), Complex PTSD (CPTSD) and Adjustment Disorder (AjD): The importance of stressors and traumatic life events.

Trauma, PTSD, and Complex PTSD in the Republic of Ireland: Prevalence, service use, comorbidity, and risk factors (2020)
Journal Article
Hyland, P., Vallières, F., Cloitre, M., Ben-Ezra, M., Karatzias, T., Olff, M., Murphy, J., & Shevlin, M. (2021). Trauma, PTSD, and Complex PTSD in the Republic of Ireland: Prevalence, service use, comorbidity, and risk factors. Social Psychiatry and Psychiatric Epidemiology, 56, Article 649-658 (2021). https://doi.org/10.1007/s00127-020-01912-x

Purpose: This study represents the first assessment of the prevalence of trauma exposure, and Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD), ever conducted in the general population of the Republic of Ireland. Additionally, prevalence... Read More about Trauma, PTSD, and Complex PTSD in the Republic of Ireland: Prevalence, service use, comorbidity, and risk factors.

Lifetime interpersonal victimization profiles and mental health problems in a nationally representative panel of trauma-exposed adults from the United Kingdom (2020)
Journal Article
Charak, R., Vang, M. L., Shevlin, M., Ben-Ezra, M., Karatzias, T., & Hyland, P. (2020). Lifetime interpersonal victimization profiles and mental health problems in a nationally representative panel of trauma-exposed adults from the United Kingdom. Journal of Traumatic Stress, 33(5), 654-664. https://doi.org/10.1002/jts.22527

Exposure to traumatic events has been associated with negative psychological outcomes. There is, however, a dearth of research on revictimization (i.e., experiences of victimization during both childhood and adulthood). The current study examined dif... Read More about Lifetime interpersonal victimization profiles and mental health problems in a nationally representative panel of trauma-exposed adults from the United Kingdom.

On top or underneath: where does the general factor of psychopathology fit within a dimensional model of psychopathology? (2020)
Journal Article
Hyland, P., Murphy, J., Shevlin, M., Bentall, R. P., Karatzias, T., Ho, G. W., Boduszek, D., & McElroy, E. (2021). On top or underneath: where does the general factor of psychopathology fit within a dimensional model of psychopathology?. Psychological Medicine, 51(14), 2422-2432. https://doi.org/10.1017/S003329172000104X

Background: Dimensional models of psychopathology are increasingly common, and there is evidence for the existence of a general dimension of psychopathology (‘p’). The existing literature presented two ways to model p: as a bifactor or as a higher-or... Read More about On top or underneath: where does the general factor of psychopathology fit within a dimensional model of psychopathology?.

Childhood adversity, mental health and suicide (CHASE): a protocol for a longitudinal case-control linked data study (2020)
Journal Article
Dougall, N., Savinc, J., Maxwell, M., Karatzias, T., O'Connor, R. C., Williams, B., Grandison, G., John, A., Cheyne, H., Fyvie, C., Bisson, J. I., Hibberd, C., Abbott-Smith, S., & Nolan, L. (2020). Childhood adversity, mental health and suicide (CHASE): a protocol for a longitudinal case-control linked data study. International Journal of Population Data Science, 5(1), https://doi.org/10.23889/ijpds.v5i1.1338

Introduction
Suicide is a tragic outcome with devastating consequences. In 2018, Scotland experienced a 15% increase in suicide from 680 to 784 deaths. This was marked among young people, with an increase of 53% in those aged 15-24, the highest sinc... Read More about Childhood adversity, mental health and suicide (CHASE): a protocol for a longitudinal case-control linked data study.

How important are phase 1 interventions for complex interpersonal trauma? A pilot randomised control trial of a group psychoeducational intervention (2020)
Journal Article
Mahoney, A., Karatzias, T., Dougal, N., & Halliday, K. (2020). How important are phase 1 interventions for complex interpersonal trauma? A pilot randomised control trial of a group psychoeducational intervention. Clinical Psychology and Psychotherapy, 27(4), 597-610. https://doi.org/10.1002/cpp.2447

Although psychoeducational interventions are recommended as phase 1 interventions for complex trauma there is limited evidence on their efficacy. This pilot randomised control trial (RCT) investigated the efficacy of a pure psychoeducational interven... Read More about How important are phase 1 interventions for complex interpersonal trauma? A pilot randomised control trial of a group psychoeducational intervention.

A validation study of the International Trauma Questionnaire to assess ICD-11 posttraumatic stress disorder (PTSD) and Complex PTSD (CPTSD) in treatment seeking veterans (2020)
Journal Article
Murphy, D., Shevlin, M., Pearson, E., Greenberg, N., Wessely, S., Busuttil, W., & Karatzias, T. (2020). A validation study of the International Trauma Questionnaire to assess ICD-11 posttraumatic stress disorder (PTSD) and Complex PTSD (CPTSD) in treatment seeking veterans. British Journal of Psychiatry, 216(3), 132-137. https://doi.org/10.1192/bjp.2020.9

Background: Veterans with PTSD typically report a poorer treatment response than those who have not served in the Armed Forces. A possible explanation is that veterans often present with complex symptoms of PTSD. ICD-11 PTSD and Complex PTSD (CPTSD)... Read More about A validation study of the International Trauma Questionnaire to assess ICD-11 posttraumatic stress disorder (PTSD) and Complex PTSD (CPTSD) in treatment seeking veterans.

A cross-country psychiatric screening of ICD-11 disorders specifically associated with stress in Kenya, Nigeria and Ghana (2020)
Journal Article
Ben-Ezra, M., Hyland, P., Karatzias, T., Maercker, A., Hamama-Raz, Y., Lavenda, O., Mahat-Shamir, M., & Shevlin, M. (2020). A cross-country psychiatric screening of ICD-11 disorders specifically associated with stress in Kenya, Nigeria and Ghana. European Journal of Psychotraumatology, 11(1), Article 1720972. https://doi.org/10.1080/20008198.2020.1720972

Background
The Global Forum for Health Research, with the support of the World Health Organization, highlighted the need to prioritize mental health research in Africa. The introduction of revised descriptions of Posttraumatic Stress Disorder (PTSD... Read More about A cross-country psychiatric screening of ICD-11 disorders specifically associated with stress in Kenya, Nigeria and Ghana.