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Academic Article

Bredal, I. S., Grimholt, T. K., Bonsaksen, T., Skogstad, L., Heir, T., & Ekeberg, Ø. (2021). Optimists’ and pessimists’ self-reported mental and global health during the COVID-19 pandemic in Norway. Health Psychology Report. doi:10.5114/hpr.2021.102394

Academic Article

Heir, T., Stokke, E. H., & Tvenge, K. P. (2021). The Role of Workplace on Work Participation and Sick Leave after a Terrorist Attack: A Qualitative Study. International Journal of Environmental Research and Public Health (IJERPH), 18(4). doi:10.3390/ijerph18041920

Academic Article

Alisic, E., Conroy, R., & Thoresen, S. (2020). Epidemiology, Clinical Presentation, and Developmental Considerations in Children and Adolescents. In D. Forbes, J. I. Bisson, C. M. Monson & L. Berliner (Eds.) Effective Treatments for PTSD. Practice Guidelines from the International Society for Traumatic Stress Studies.. Guilford Press.

Academic Article

Berthelsen, M., Hansen, M. B., Nissen, A., Nielsen, M. B., Knardahl, S., & Heir, T. (2020). Effects of exposure to workplace terrorism on subsequent doctor certified sickness absence, and the modifying role of psychological and social work factors: a combined survey and register study. BMC Public Health, 20(1). doi:10.1186/s12889-020-08465-3

Academic Article

Birkeland, M. S., Blix, I., & Thoresen, S. (2020). Trauma in the third decade: Ruminative coping, social relationships and posttraumatic stress symptoms. Journal of Affective Disorders. doi:10.1016/j.jad.2020.09.095

Academic Article

Blix, I., Birkeland, M. S., & Thoresen, S. (2020). Vivid memories of distant trauma: Examining the characteristics of trauma memories and the relationship with the centrality of event and posttraumatic stress 26 years after trauma. Applied Cognitive Psychology. doi:10.1002/acp.3650

Academic Article

Bonsaksen, T., Heir, T., Schou-Bredal, I., Bredal, I. S., Ekeberg, Ø., Ekeberg, Ø., Skogstad, L., & Grimholt, T. K. (2020). Post-traumatic stress disorder and associated factors during the early stage of the COVID-19 pandemic in Norway. International Journal of Environmental Research and Public Health (IJERPH), 17(24), 1-10. doi:10.3390/ijerph17249210

Academic Article

Dyb, G. (2020). Déjà vu – Recalling being hit by terror. In E. Vermetten, I. Frankova, L. Carmi, O. Chaban & J. Zohar (Eds.) Risk Management of Terrorism Induced Stress: Guidelines for the Golden Hours (Who, What and When) (pp. 165-172). IOS Press. doi:10.3233/NHSDP200028

Academic Article

Glad, K. A., Czajkowski, N. O., Dyb, G., & Hafstad, G. S. (2020). Does event centrality mediate the effect of peritraumatic reactions on post-traumatic growth in survivors of a terrorist attack. European Journal of Psychotraumatology, 11(1). doi:10.1080/20008198.2020.1766276

Academic Article

Grønning Dale, M. T., Nissen, A. F. W., Berthelsen, M., & Heir, T. (2020). Post-traumatic stress reactions and doctor-certified sick leave after a workplace terrorist attack: Norwegian cohort study. BMJ Open, 10(2). doi:10.1136/bmjopen-2019-032693

Academic Article

Nissen, A., & Heir, T. (2020). Security interventions and perceived safety and threat following workplace terrorism: a three-wave longitudinal study of ministerial employees in Norway. Journal of Risk Research, 1-15. doi:10.1080/13669877.2020.1848903

Academic Article

Nissen, A., Berthelsen, M., Grønning Dale, M. T., Hansen, M. B., & Heir, T. (2020). Is perceived safety and threat after workplace terrorism linked to employee sick-leave? A registry-based longitudinal study of governmental employees in Norway. European Journal of Psychotraumatology, 11:185249(1), 1-13. doi:10.1080/20008198.2020.1785249

Academic Article

Pirard, P., Baubet, T., Motreff, Y., Rabet, G., Marillier, M., Vandentorren, S., Vuillermoz, C., Stene, L. E., & Messiah, A. (2020). Use of mental health supports by civilians exposed to the November 2015 terrorist attacks in Paris. BMC Health Services Research. doi:10.1186/s12913-020-05785-3

Academic Article

Sele, P., Hoffart, A., Bækkelund, H., & Øktedalen, T. (2020). Psychometric properties of the International Trauma Questionnaire (ITQ) examined in a Norwegian trauma-exposed clinical sample. European Journal of Psychotraumatology, 11:1796187(1), 1-14. doi:10.1080/20008198.2020.1796187

Academic Article

Stensland, S., Thoresen, S., Jensen, T. K., Wentzel-Larsen, T., & Dyb, G. (2020). Early Pain and Other Somatic Symptoms Predict Posttraumatic Stress Reactions in Survivors of Terrorist Attacks: The Longitudinal Utøya Cohort Study. Journal of Traumatic Stress, 33, 1060-1070. doi:10.1002/jts.22562

Academic Article

Vuillermoz, C., Stene, L. E., Aubert, L., Motreff, Y., Pirard, P., Baubet, T., . . . Vandentorren, S. et al. (2020). Non-participation and attrition in a longitudinal study of civilians exposed to the January 2015 terrorist attacks in Paris, France. BMC Medical Research Methodology, 20. doi:10.1186/s12874-020-00943-x

Academic Article

Birkeland, M. S., Strøm, I. F., Myhre, M. C., & Thoresen, S. (2019). Am I an island? A network analysis exploring aspects of social landscapes after childhood violence. Psychological Trauma. doi:10.1037/tra0000483

Academic Article

Glad, K. A., Czajkowski, N. O., Dyb, G., & Hafstad, G. S. (2019). Cross-Lagged Association Between Symptoms of Posttraumatic Stress Disorder and Perceived Centrality of a Terrorist Attack. Clinical Psychological Science. doi:10.1177/2167702619873590

Academic Article

Glad, K. A., Kilmer, R. P., Dyb, G., & Hafstad, G. S. (2019). Caregiver-reported positive changes in young survivors of a terrorist attack. Journal of Child and Family Studies, 28(3), 704-719. doi:10.1007/s10826-018-1298-7

Academic Article

Heir, T., Bonsaksen, T., Grimholt, T. K., Ekeberg, Ø., Skogstad, L., Lerdal, A., & Bredal, I. S. (2019). Serious life events and post-traumatic stress disorder in the Norwegian population. BJPsych Open, 5(e82), 1-7. doi:10.1192/bjo.2019.62

Academic Article

Løvstad, M., Månum, G., Wisløff-Aase, K., Hafstad, G. S., Ræder, J., Larsen, I. H., Larsen, I., . . . Schanke, A. K. et al. (2019). Persons injured in the 2011 terror attacks in Norway – Relationship between post-traumatic stress symptoms, emotional distress, fatigue, sleep, and pain outcomes, and medical and psychosocial factors. Disability and Rehabilitation. doi:10.1080/09638288.2019.1585489

Academic Article

Månum, G., Løvstad, M., Wisløff-Aase, K., Ræder, J., Schanke, A. K., Larsen, I. H., Larsen, I., Dyb, G., Ekeberg, Ø., & Stanghelle, J. K. (2019). Clinical characteristics and physical functioning in persons hospitalized following the Norwegian terror attacks in July 2011: A follow-up study. Journal of Rehabilitation Medicine, 51(3), 225-233. doi:10.2340/16501977-2521

Academic Article

Motreff, Y., Baubet, T., Pirard, P., Rabet, G., Petitclerc, M., Stene, L. E., . . . Vandentorren, S. et al. (2019). Factors associated with PTSD and partial PTSD among first responders following the Paris terror attacks in November 2015. Journal of Psychiatric Research. doi:10.1016/j.jpsychires.2019.11.018

Academic Article

Nilsen, L. G., Thoresen, S., Wentzel-Larsen, T., & Dyb, G. (2019). Trust after Terror: Institutional trust among young terror survivors and their parents after the 22nd of July terrorist attack on Utøya island, Norway. Frontiers in Psychology, 10:2819, 1-10. doi:10.3389/fpsyg.2019.02819

Academic Article

Nissen, A., Hansen, M., Bang Hansen, M., Nielsen, M. B., Birkeland Nielsen, M., Knardahl, S., & Heir, T. (2019). Employee safety perception following workplace terrorism. A longitudinal study. European Journal of Psychotraumatology, 10. doi:10.1080/20008198.2018.1478584

Academic Article

Olff, M., Amstadter, A. B., Armour, C., Birkeland, M. S., Bui, E., Cloitre, M., . . . Thoresen, S. et al. (2019). A decennial review of psychotraumatology: what did we learn and where are we going. European Journal of Psychotraumatology, 10(1), 1-24. doi:10.1080/20008198.2019.1672948

Academic Article

Thoresen, S., Birkeland, M. S., Arnberg, F. K., Wentzel-Larsen, T., & Blix, I. (2019). Long-term mental health and social support in victims of disaster: comparison with a general population sample. BJPsych Open, 5(1). doi:10.1192/bjo.2018.74

Academic Article

Wisløff-Aase, K., Ræder, J., Månum, G., Løvstad, M., Schanke, A. K., Dyb, G., . . . Stanghelle, J. K. et al. (2019). Chronic pain among the hospitalized patients after the 22 july 2011 terror attacks in Oslo and at Utøya Island. Acta Anaesthesiologica Scandinavica. doi:10.1111/aas.13373

Academic Article

Blix, I., Kanten, A. B., Birkeland, M. S., & Thoresen, S. (2018). Imagining What Could Have Happened: Types and Vividness of Counterfactual Thoughts and the Relationship With Post-traumatic Stress Reactions. Frontiers in Psychology, 9. doi:10.3389/fpsyg.2018.00515

Academic Article

Bugge, I., Jensen, T. K., Nilsen, L. G., Ekeberg, Ø., Dyb, G., & Diseth, T. H. (2018). Psychosocial care for hospitalized young survivors after the terror attack on Utøya Island: A qualitative study of the survivors’ experiences. Injury, 1-8. doi:10.1016/j.injury.2018.10.024

Academic Article

Glad, K. A., Thoresen, S., Hafstad, G. S., & Dyb, G. (2018). Survivors Report Back. Young people reflect on their media experiences after a terrorist attack. Journalism Studies, 19(11), 1652-1668. doi:10.1080/1461670X.2017.1291313

Academic Article

Hansen, M., Bang Hansen, M., Berthelsen, M., Nissen, A., & Heir, T. (2018). Sick leave before and after a work-place targeted terror attack. International Archives of Occupational and Environmental Health. doi:10.1007/s00420-018-1390-8

Academic Article

Knutsen, M. L., Knutsen, M. L., Czajkowski, N. O., & Ormhaug, S. M. (2018). Changes in posttraumatic stress symptoms, cognitions, and depression during treatment of traumatized youth. Behaviour Research and Therapy, 111, 119-126. doi:10.1016/j.brat.2018.10.010

Academic Article

Nilsen, L. G., Hafstad, G. S., Staksrud, E., & Dyb, G. (2018). Five reasons for using social media among young terror survivors: Results from the Utøya study. Computers in Human Behavior, 84, 285-294. doi:10.1016/j.chb.2018.03.006

Academic Article

Stene, L. E., Schultz, J. H., & Dyb, G. (2018). Returning to school after a terror attack: a longitudinal study of school functioning and health in terror-exposed youth. European Child and Adolescent Psychiatry, 1-10. doi:10.1007/s00787-018-1196-y

Academic Article

Stensland, S., Zwart, J. A., Wentzel-Larsen, T., & Dyb, G. (2018). The headache of terror: A matched cohort study of adolescents from the Utøya and the HUNT Study. Neurology, 90(2), e111-e118. doi:10.1212/WNL.0000000000004805

Academic Article

Thoresen, S., Birkeland, M. S., Wentzel-Larsen, T., & Blix, I. (2018). Loss of trust may never heal. Institutional trust in disaster victims in a long-term perspective: Associations with social support and mental health. Frontiers in Psychology, 9, 1204. doi:10.3389/fpsyg.2018.01204

Academic Article

Birkeland, M. S., & Heir, T. (2017). Making connections: exploring the centrality of posttraumatic stress symptoms and covariates after a terrorist attack. European Journal of Psychotraumatology. doi:10.1080/20008198.2017.1333387

Academic Article

Birkeland, M. S., Blix, I., Solberg, Ø., & Heir, T. (2017). Does optimism act as a buffer against posttraumatic stress over time? A longitudinal study of the protective role of optimism after the 2011 Oslo bombing.. Psychological Trauma, 9(2), 207-213. doi:10.1037/tra0000188

Academic Article

Birkeland, M. S., Blix, I., Solberg, Ø., & Heir, T. (2017). Gender Differences in Posttraumatic Stress Symptoms after a Terrorist Attack: A Network Approach. Frontiers in Psychology, 8. doi:10.3389/fpsyg.2017.02091

Academic Article

Birkeland, M. S., Hansen, M., Blix, I., Solberg, Ø., & Heir, T. (2017). For Whom Does Time Heal Wounds? Individual Differences in Stability and Change in Posttraumatic Stress after the 2011 Oslo Bombing. Journal of Traumatic Stress, 30(1), 19-26. doi:10.1002/jts.22158

Academic Article

Birkeland, M. S., Nielsen, M. B., Hansen, M., Knardahl, S., & Heir, T. (2017). Like a bridge over troubled water? A longitudinal study of general social support, colleague support, and leader support as recovery factors after a traumatic event. European Journal of Psychotraumatology, 8(1). doi:10.1080/20008198.2017.1302692

Academic Article

Birkeland, M. S., Nielsen, M. B., Hansen, M., Knardahl, S., & Heir, T. (2017). The impact of a workplace terrorist attack on employees’ perceptions of leadership: A longitudinal study from pre- to postdisaster. Leadership Quarterly, 28(5), 659-671. doi:10.1016/j.leaqua.2017.01.002

Academic Article

Bugge, I., Dyb, G., Stensland, S., Ekeberg, Ø., Wentzel-Larsen, T., & Diseth, T. H. (2017). Physical Injury and Somatic Complaints: The Mediating Role of Posttraumatic Stress Symptoms in Young Survivors of a Terror Attack. Journal of Traumatic Stress, 30(3), 229-236. doi:10.1002/jts.22191

Academic Article

Glad, K. A., Hafstad, G. S., Jensen, T. K., & Dyb, G. (2017). A longitudinal study of psychological distress and exposure to trauma reminders after terrorism. Psychological Trauma, 9, 145-152. doi:10.1037/tra0000224

Academic Article

Hafstad, G. S., Thoresen, S., Wentzel-Larsen, T., Maercker, A., & Dyb, G. (2017). PTSD or not PTSD? Comparing the proposed ICD-11 and the DSM-5 PTSD criteria among young survivors of the 2011 Norway attacks and their parents. Psychological Medicine, 47(7), 1283-1291. doi:10.1017/S0033291716002968

Academic Article

Haga, J. M., Stene, L. E., Thoresen, S., Wentzel-Larsen, T., & Dyb, G. (2017). Does posttraumatic stress predict frequency of general practitioner visits in parents of terrorism survivors? A longitudinal study. European Journal of Psychotraumatology, 8(1). doi:10.1080/20008198.2017.1389206

Academic Article

Haga, J. M., Thoresen, S., Stene, L. E., Wentzel-Larsen, T., & Dyb, G. (2017). Healthcare to parents of young terrorism survivors: A registry-based study in Norway. BMJ Open, 7(12). doi:10.1136/bmjopen-2017-018358

Academic Article

Hansen, M., Birkeland, M. S., Nissen, A., Blix, I., Solberg, Ø., & Heir, T. (2017). Prevalence and course of symptom-defined PTSD in individuals directly or indirectly exposed to terror: A longitudinal study. Psychiatry, 80(2), 171-183. doi:10.1080/00332747.2016.1230983

Academic Article

Holt, T., Jensen, T. K., Dyb, G., & Wentzel-Larsen, T. (2017). Emotional reactions in parents of the youth who experienced the Utøya shooting on 22 July 2011; results from a cohort study. BMJ Open, 7(10). doi:10.1136/bmjopen-2016-015345