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Sex and age differences in ICD-11 PTSD and Complex PTSD: An analysis of four general 2 population samples (2021)
Journal Article
McGinty, G., Fox, R., Ben-Ezra, M., Cloitre, M., Karatzias, T., Shevlin, M., & Hyland, P. (2021). Sex and age differences in ICD-11 PTSD and Complex PTSD: An analysis of four general 2 population samples. European Psychiatry, 64(1), https://doi.org/10.119

Background. Posttraumatic stress disorder (PTSD) is traditionally understood as a disorder that occurs more commonly in women than in men, and in younger age groups than in older age groups. The objective of this study was to determine if these patte... Read More about Sex and age differences in ICD-11 PTSD and Complex PTSD: An analysis of four general 2 population samples.

Complex post-traumatic stress disorder in asylum seekers and victims of trafficking: treatment considerations (2021)
Journal Article
Jowett, S., Argyriou, A., Scherrer, O., Karatzias, T., & Katona, C. (2021). Complex post-traumatic stress disorder in asylum seekers and victims of trafficking: treatment considerations. BJPsych Open, 7(6), Article e181. https://doi.org/10.1192/bjo.2021.1

Asylum-seekers experience high levels of traumatic events pre, post, and during migration. Polytraumatisation is associated with Complex PTSD (CPTSD), which has not yet been extensively explored in this population. CPTSD is a prevalent and highly dis... Read More about Complex post-traumatic stress disorder in asylum seekers and victims of trafficking: treatment considerations.

Delay discounting and under-valuing of recent information predict poorer adherence to social distancing measures during the COVID-19 pandemic (2021)
Journal Article
Lloyd, A., McKay, R., Hartman, T. K., Vincent, B. T., Murphy, J., Gibson-Miller, J., …Mason, L. (2021). Delay discounting and under-valuing of recent information predict poorer adherence to social distancing measures during the COVID-19 pandemic. Scient

The COVID-19 pandemic has brought about unprecedented global changes in individual and collective behaviour. To reduce the spread of the virus, public health bodies have promoted social distancing measures while attempting to mitigate their mental he... Read More about Delay discounting and under-valuing of recent information predict poorer adherence to social distancing measures during the COVID-19 pandemic.

Trajectories of change in internalizing symptoms during the COVID-19 pandemic: A longitudinal population-based study (2021)
Journal Article
Hyland, P., Vallières, F., Daly, M., Butter, S., Bentall, R. P., Fox, R., …Shevlin, M. (2021). Trajectories of change in internalizing symptoms during the COVID-19 pandemic: A longitudinal population-based study. Journal of Affective Disorders, 295, 10

Background: Longitudinal data indicates that the mental health of the general population may not have been as badly affected by the COVID-19 pandemic as some had feared. Most studies examining change in mental health during the pandemic have assumed... Read More about Trajectories of change in internalizing symptoms during the COVID-19 pandemic: A longitudinal population-based study.

Dimensional latent structure of ICD-11 posttraumatic stress disorder, complex PTSD, and adjustment disorder: Evidence from Ghana, Kenya, and Nigeria (2021)
Journal Article
Charak, R., Cano-Gonzalez, I., Shevlin, M., Ben-Ezra, M., Karatzias, T., & Hyland, P. (2022). Dimensional latent structure of ICD-11 posttraumatic stress disorder, complex PTSD, and adjustment disorder: Evidence from Ghana, Kenya, and Nigeria. Traumatolog

With the release of ICD-11 in 2018, there has been a surge in studies examining the nosology of mental disorders, including disorders associated with stress, namely, posttraumatic stress disorder (PTSD), complex PTSD (CPTSD), and adjustment disorder... Read More about Dimensional latent structure of ICD-11 posttraumatic stress disorder, complex PTSD, and adjustment disorder: Evidence from Ghana, Kenya, and Nigeria.

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

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.

Predicting risk along the suicidality continuum: A longitudinal, nationally representative study of the Irish population during the COVID-19 pandemic (2021)
Journal Article
Hyland, P., Rochford, S., Munnelly, A., Dodd, P., Fox, R., Vallières, F., …Murphy, J. (2022). Predicting risk along the suicidality continuum: A longitudinal, nationally representative study of the Irish population during the COVID-19 pandemic. Suicide

Introduction: Little is known about the lifetime prevalence of different indicators of suicidality in the Irish general population; whether suicidality has increased during the COVID-19 pandemic; and what factors associated with belonging to differen... Read More about Predicting risk along the suicidality continuum: A longitudinal, nationally representative study of the Irish population during the COVID-19 pandemic.

Psychological trauma at different developmental stages and ICD-11 CPTSD: The role of dissociation (2021)
Journal Article
Jowett, S., Karatzias, T., Shevlin, M., & Hyland, P. (2022). Psychological trauma at different developmental stages and ICD-11 CPTSD: The role of dissociation. Journal of Trauma and Dissociation, 23(1), 52-67. https://doi.org/10.1080/15299732.2021.1934936

Background: Dissociation is commonly reported by individuals who meet criteria for PTSD and Complex PTSD. However, the association between the age of trauma exposure, dissociation and CPTSD is not well understood. The current study aimed to test whet... Read More about Psychological trauma at different developmental stages and ICD-11 CPTSD: The role of dissociation.

Context, design and conduct of the longitudinal COVID-19 Psychological Research Consortium (C19PRC) Study – Wave 3 (2021)
Journal Article
McBride, O., Butter, S., Murphy, J., Shevlin, M., Hartman, T. K., Hyland, P., …Bentall, R. P. (2021). Context, design and conduct of the longitudinal COVID-19 Psychological Research Consortium (C19PRC) Study – Wave 3. International Journal of Methods

Objectives: The COVID-19 Psychological Research Consortium (C19PRC) Study aims to assess the impact of the COVID-19 pandemic in the adult population in multiple countries. This paper describes the third wave of the UK survey (the ‘parent’ strand of t... Read More about Context, design and conduct of the longitudinal COVID-19 Psychological Research Consortium (C19PRC) Study – Wave 3.

The network structure of ICD-11 Adjustment Disorder: A cross-cultural comparison of three African countries (2021)
Journal Article
Levin, Y., Bachem, R., Karatzias, T., Shevlin, M., Maercker, A., & Ben-Ezra, M. (2021). The network structure of ICD-11 Adjustment Disorder: A cross-cultural comparison of three African countries. British Journal of Psychiatry, 219(4), 557-564. https://do

Background: Adjustment disorder (AjD) is one of the most widespread mental disorders worldwide. In ICD-11, AjD is characterized by two main symptom clusters; preoccupation with the stressor and failure to adapt. The network analytic approach has been... Read More about The network structure of ICD-11 Adjustment Disorder: A cross-cultural comparison of three African countries.