Publications 2024

Grimholt TK, Bonsaksen T, Heir T, Schou Bredal I, Skogstad L, Ekeberg Ø (2024)
Prevalence of suicide attempt and associations with deliberate self-harm, mental health problems, drug misuse and traumatic experiences - a cross sectional survey of the Norwegian population
BMC Psychiatry, 24 (1), 164
DOI 10.1186/s12888-024-05610-9, PubMed 38408936

Publications 2023

Ghiasvand R, Berge LAM, Andreassen BK, Stenehjem JS, Heir T, Karlstad Ø, Juzeniene A, Larsen IK, Green AC, Veierød MB, Robsahm TE (2023)
Use of antihypertensive drugs and risk of cutaneous melanoma: a nationwide nested case-control study
Int J Epidemiol, 52 (3), 887-898
DOI 10.1093/ije/dyac223, PubMed 36413027

Heir T, Bendiksen B, Minteh F, Kuye RA, Lien IL (2023)
Serious life events and associated PTSD in Gambian girls exposed to female genital cutting
Front Public Health, 11, 1242270
DOI 10.3389/fpubh.2023.1242270, PubMed 37915819

Lerdal A, Gay C, Bonsaksen T, Ekeberg Ø, Grimholt T, Heir T, Kottorp A, Lee KA, Skogstad L, Schou-Bredal I (2023)
Validation of a short version of the Lee fatigue scale in adults living in Norway: a cross-sectional population survey
BMC Public Health, 23 (1), 2132
DOI 10.1186/s12889-023-17036-1, PubMed 37904144

Publications 2022

Bonsaksen T, Brunes A, Heir T (2022)
Post-Traumatic Stress Disorder in People with Visual Impairment Compared with the General Population
Int J Environ Res Public Health, 19 (2)
DOI 10.3390/ijerph19020619, PubMed 35055443

Brunes A, Falkenberg HK, Berndtsson IC, Heir T (2022)
Use and underuse of mobility aids in individuals with visual impairment: a cross-sectional study of a Norwegian sample
Disabil Rehabil Assist Technol, 19 (2), 266-272
DOI 10.1080/17483107.2022.2081735, PubMed 35713634

Brunes A, Heir T (2022)
Visual impairment and employment in Norway
BMC Public Health, 22 (1), 648
DOI 10.1186/s12889-022-13077-0, PubMed 35379220

Kan Z, Søegaard EGI, Siqveland J, Hussain A, Hanssen-Bauer K, Jensen P, Heiervang KS, Ringen PA, Ekeberg Ø, Hem E, Heir T, Thapa SB (2022)
Coping, Social Support and Loneliness during the COVID-19 Pandemic and Their Effect on Depression and Anxiety: Patients' Experiences in Community Mental Health Centers in Norway
Healthcare (Basel), 10 (5)
DOI 10.3390/healthcare10050875, PubMed 35628012

Schou-Bredal I, Bonsaksen T, Ekeberg Ø, Skogstad L, Grimholt TK, Heir T (2022)
A comparison between healthcare workers and non-healthcare workers' anxiety, depression and PTSD during the initial COVID -19 lockdown
Public Health Pract (Oxf), 3, 100267
DOI 10.1016/j.puhip.2022.100267, PubMed 35535328

Stavem K, Heir T, Dammen T, Brønstad E, Lerum TV, Durheim MT, Lund KMA, Aarli BB, Einvik G (2022)
The course and determinants of post-traumatic stress over 12 months after hospitalization for COVID-19
Front Psychiatry, 13, 931349
DOI 10.3389/fpsyt.2022.931349, PubMed 35911221

Publications 2021

Anker E, Ginsberg Y, Heir T (2021)
Prevalence of criminal convictions in Norwegian adult ADHD outpatients and associations with ADHD symptom severity and emotional dysregulation
BMC Psychiatry, 21 (1), 226
DOI 10.1186/s12888-021-03223-0, PubMed 33941124

Anker E, Ogrim G, Heir T (2021)
Verbal working memory and processing speed: Correlations with the severity of attention deficit and emotional dysregulation in adult ADHD
J Neuropsychol, 16 (1), 211-235
DOI 10.1111/jnp.12260, PubMed 34218514

Bendiksen B, Heir T, Minteh F, Ziyada MM, Kuye RA, Lien IL (2021)
The association between physical complications following female genital cutting and the mental health of 12-year-old Gambian girls: A community-based cross-sectional study
PLoS One, 16 (1), e0245723
DOI 10.1371/journal.pone.0245723, PubMed 33481926

Berthelsen M, Hansen MB, Nissen A, Nielsen MB, Knardahl S, Heir T (2021)
The Impact of a Workplace Terrorist Attack on the Psychosocial Work Environment: A Longitudinal Study From Pre- to Post-disaster
Front Public Health, 9, 708260
DOI 10.3389/fpubh.2021.708260, PubMed 34805061

Bonsaksen T, Ekeberg Ø, Schou-Bredal I, Skogstad L, Heir T, Grimholt TK (2021)
Use of Alcohol and Addictive Drugs During the COVID-19 Outbreak in Norway: Associations With Mental Health and Pandemic-Related Problems
Front Public Health, 9, 667729
DOI 10.3389/fpubh.2021.667729, PubMed 34195169

Bonsaksen T, Skogstad L, Grimholt TK, Heir T, Ekeberg O, Lerdal A, Schou-Bredal I (2021)
Substance use in the Norwegian general population: prevalence and associations with disease
J. Subst. Use, 26 (2), 144-150
DOI 10.1080/14659891.2020.1784303

Bonsaksen T, Skogstad L, Heir T, Ekeberg Ø, Schou-Bredal I, Grimholt TK (2021)
Suicide Thoughts and Attempts in the Norwegian General Population during the Early Stage of the COVID-19 Outbreak
Int J Environ Res Public Health, 18 (8)
DOI 10.3390/ijerph18084102, PubMed 33924558

Brunes A, Hansen MB, Heir T (2021)
General self-efficacy in individuals with visual impairment compared with the general population
PLoS One, 16 (7), e0254043
DOI 10.1371/journal.pone.0254043, PubMed 34214108

Brunes A, Heir T (2021)
Serious Life Events in People with Visual Impairment Versus the General Population
Int J Environ Res Public Health, 18 (21)
DOI 10.3390/ijerph182111536, PubMed 34770048

Dale MTG, Nissen A, Berthelsen M, Gjessing HK, Heir T (2021)
Psychosocial work factors and sick leave risk after a terrorist bomb attack: a survey and registry-based longitudinal study of governmental employees in Norway
BMJ Open, 11 (10), e052628
DOI 10.1136/bmjopen-2021-052628, PubMed 34667012

Einvik G, Dammen T, Ghanima W, Heir T, Stavem K (2021)
Prevalence and Risk Factors for Post-Traumatic Stress in Hospitalized and Non-Hospitalized COVID-19 Patients
Int J Environ Res Public Health, 18 (4)
DOI 10.3390/ijerph18042079, PubMed 33672759

Falk RS, Mariampillai JE, Prestgaard EE, Heir T, Bodegård J, Robsahm TE, Grundvold I, Skretteberg PT, Engeseth K, Bjornholt JV, Stavem K, Liestøl K, Sandvik L, Thaulow E, Erikssen G, Kjeldsen SE, Gjesdal K, Erikssen JE (2021)
The Oslo Ischaemia Study: cohort profile
BMJ Open, 11 (10), e049111
DOI 10.1136/bmjopen-2021-049111, PubMed 34645662

Falk RS, Robsahm TE, Paulsen JE, Stocks T, Drake I, Heir T (2021)
Fasting serum potassium and long-term mortality in healthy men
BMC Public Health, 21 (1), 711
DOI 10.1186/s12889-021-10738-4, PubMed 33849496

Heir T, Hussain A, Kristensen P, Weisæth L (2021)
Delayed post-traumatic stress and memory inflation of life-threatening events following a natural disaster: prospective study
BJPsych Open, 7 (4), e132
DOI 10.1192/bjo.2021.955, PubMed 34253278

Heir T, Stokke EH, Tvenge KP (2021)
The Role of Workplace on Work Participation and Sick Leave after a Terrorist Attack: A Qualitative Study
Int J Environ Res Public Health, 18 (4)
DOI 10.3390/ijerph18041920, PubMed 33671161

Nissen A, Heir T (2021)
Security interventions and perceived safety and threat following workplace terrorism: a three-wave longitudinal study of ministerial employees in Norway
J. Risk Res., 24 (10), 1304-1318
DOI 10.1080/13669877.2020.1848903

Schou-Bredal I, Grimholt T, 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 Psychol Rep, 9 (2), 160-168
DOI 10.5114/hpr.2021.102394, PubMed 38084286

Schou-Bredal I, Grimholt TK, Bonsaksen T, Skogstad L, Heir T, Ekeberg Ø (2021)
Psychological responses and associated factors during the initial lockdown due to the corona disease epidemic (COVID-19) among Norwegian citizens
J Ment Health, 32 (6), 1057-1064
DOI 10.1080/09638237.2021.1952949, PubMed 34309479

Schou-Bredal I, Skogstad L, Grimholt TK, Bonsaksen T, Ekeberg Ø, Heir T (2021)
Concerns in the Norwegian Population during the Initial Lockdown Due to the COVID-19 Pandemic
Int J Environ Res Public Health, 18 (11)
DOI 10.3390/ijerph18116119, PubMed 34204043

Skogstad L, Schou-Bredal I, Bonsaksen T, Heir T, Ekeberg Ø, Grimholt T (2021)
Concerns Related to the COVID-19 in Adult Norwegians during the First Outbreak in 2020: A Qualitative Approach
Int J Environ Res Public Health, 18 (8)
DOI 10.3390/ijerph18084312, PubMed 33921705

van der Ham AJ, van der Aa HP, Brunes A, Heir T, de Vries R, van Rens GH, van Nispen RM (2021)
The development of posttraumatic stress disorder in individuals with visual impairment: a systematic search and review
Ophthalmic Physiol Opt, 41 (2), 331-341
DOI 10.1111/opo.12784, PubMed 33481297

Publications 2020

Anker E, Haavik J, Heir T (2020)
Alcohol and drug use disorders in adult attention-deficit/hyperactivity disorder: Prevalence and associations with attention-deficit/hyperactivity disorder symptom severity and emotional dysregulation
World J Psychiatry, 10 (9), 202-211
DOI 10.5498/wjp.v10.i9.202, PubMed 33014721

Berge LAM, Andreassen BK, Stenehjem JS, Heir T, Furu K, Juzeniene A, Roscher I, Larsen IK, Green AC, Veierød MB, Robsahm TE (2020)
Use of Antidepressants and Risk of Cutaneous Melanoma: A Prospective Registry-Based Case-Control Study
Clin Epidemiol, 12, 193-202
DOI 10.2147/CLEP.S241249, PubMed 32110111

Berge LAM, Andreassen BK, Stenehjem JS, Heir T, Karlstad Ø, Juzeniene A, Ghiasvand R, Larsen IK, Green AC, Veierød MB, Robsahm TE (2020)
Use of Immunomodulating Drugs and Risk of Cutaneous Melanoma: A Nationwide Nested Case-Control Study
Clin Epidemiol, 12, 1389-1401
DOI 10.2147/CLEP.S269446, PubMed 33376408

Berthelsen M, Hansen MB, Nissen A, Nielsen MB, 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), 367
DOI 10.1186/s12889-020-08465-3, PubMed 32223760

Bonsaksen T, Heir T, Schou-Bredal I, Ekeberg Ø, Skogstad L, Grimholt TK (2020)
Post-Traumatic Stress Disorder and Associated Factors during the Early Stage of the COVID-19 Pandemic in Norway
Int J Environ Res Public Health, 17 (24)
DOI 10.3390/ijerph17249210, PubMed 33317135

Bonsaksen T, Heir T, Skogstad L, Grimholt TK, Ekeberg O, Lerdal A, Schou-Bredal I (2020)
Daily use of alcohol in the Norwegian general population: Prevalence and associated factors
Drugs Alcohol Today, 20 (2), 109-121
DOI 10.1108/DAT-02-2020-0010

Brunes A, Heir T (2020)
Social interactions, experiences with adverse life events and depressive symptoms in individuals with visual impairment: a cross-sectional study
BMC Psychiatry, 20 (1), 224
DOI 10.1186/s12888-020-02652-7, PubMed 32398122

Brunes A, Heir T (2020)
Visual impairment and depression: Age-specific prevalence, associations with vision loss, and relation to life satisfaction
World J Psychiatry, 10 (6), 139-149
DOI 10.5498/wjp.v10.i6.139, PubMed 32742947

Dale MTG, Nissen A, 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), e032693
DOI 10.1136/bmjopen-2019-032693, PubMed 32066602

Falk RS, Heir T, Robsahm TE, Tretli S, Sandvik L, Erikssen JE, Paulsen JE (2020)
Fasting Serum Levels of Potassium and Sodium in Relation to Long-Term Risk of Cancer in Healthy Men
Clin Epidemiol, 12, 1-8
DOI 10.2147/CLEP.S216438, PubMed 32021466

Langeland W, Jepsen EKK, Brand BL, Kleven L, Loewenstein RJ, Putnam FW, Schielke HJ, Myrick A, Lanius RA, Heir T (2020)
The economic burden of dissociative disorders: A qualitative systematic review of empirical studies
Psychol Trauma, 12 (7), 730-738
DOI 10.1037/tra0000556, PubMed 32212775

Nissen A, Berthelsen M, Dale MTG, Hansen MB, 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
Eur J Psychotraumatol, 11 (1), 1785249
DOI 10.1080/20008198.2020.1785249, PubMed 33029324

Ormstad H, Eilertsen G, Heir T, Sandvik L (2020)
Personality traits and the risk of becoming lonely in old age: A 5-year follow-up study
Health Qual Life Outcomes, 18 (1), 47
DOI 10.1186/s12955-020-01303-5, PubMed 32111214

Schou-Bredal I, Bonsaksen T, Ekeberg Ø, Skogstad L, Grimholt TK, Lerdal A, Heir T (2020)
Sexual Assault and the Association With Health, Quality of Life, and Self-Efficacy in the General Norwegian Population
J Interpers Violence, 37 (3-4), 1878-1901
DOI 10.1177/0886260520926307, PubMed 32515259

Publications 2019

Berge LAM, Andreassen BK, Stenehjem JS, Larsen IK, Furu K, Juzeniene A, Roscher I, Heir T, Green A, Veierød MB, Robsahm TE (2019)
Cardiovascular, antidepressant and immunosuppressive drug use in relation to risk of cutaneous melanoma: a protocol for a prospective case-control study
BMJ Open, 9 (2), e025246
DOI 10.1136/bmjopen-2018-025246, PubMed 30787091

Bonsaksen T, Ekeberg Ø, Skogstad L, Heir T, Grimholt TK, Lerdal A, Schou-Bredal I (2019)
Self-rated global health in the Norwegian general population
Health Qual Life Outcomes, 17 (1), 188
DOI 10.1186/s12955-019-1258-y, PubMed 31870385

Bonsaksen T, Heir T, Ekeberg Ø, Grimholt TK, Lerdal A, Skogstad L, Schou-Bredal I (2019)
Self-evaluated anxiety in the Norwegian population: prevalence and associated factors
Arch Public Health, 77, 10
DOI 10.1186/s13690-019-0338-0, PubMed 30923612

Brunes A, B Hansen M, Heir T (2019)
Loneliness among adults with visual impairment: prevalence, associated factors, and relationship to life satisfaction
Health Qual Life Outcomes, 17 (1), 24
DOI 10.1186/s12955-019-1096-y, PubMed 30709406

Grimholt TK, Bonsaksen T, Schou-Bredal I, Heir T, Lerdal A, Skogstad L, Ekeberg Ø (2019)
Flight Anxiety Reported from 1986 to 2015
Aerosp Med Hum Perform, 90 (4), 384-388
DOI 10.3357/AMHP.5125.2019, PubMed 30922426

Heir T, Bonsaksen T, Grimholt T, Ekeberg Ø, Skogstad L, Lerdal A, Schou-Bredal I (2019)
Serious life events and post-traumatic stress disorder in the Norwegian population
BJPsych Open, 5 (5), e82
DOI 10.1192/bjo.2019.62, PubMed 31506124

Nissen A, Hansen MB, Nielsen MB, Knardahl S, Heir T (2019)
Employee safety perception following workplace terrorism: a longitudinal study
Eur J Psychotraumatol, 10 (1), 1478584
DOI 10.1080/20008198.2018.1478584, PubMed 30728916

Robsahm TE, Heir T, Sandvik L, Prestgaard E, Tretli S, Erikssen JE, Falk RS (2019)
Changes in midlife fitness, body mass index, and smoking influence cancer incidence and mortality: A prospective cohort study in men
Cancer Med, 8 (10), 4875-4882
DOI 10.1002/cam4.2383, PubMed 31270954

Schou-Bredal I, Bonsaksen T, Heir T, Skogstad L, Lerdal A, Grimholt T, Ekeberg O (2019)
Optimists report fewer physical and mental health conditions than pessimists in the general Norwegian population
HEALTH PSYCHOL. REP., 7 (1), 9-18
DOI 10.5114/hpr.2019.81003

Publications 2018

Anker E, Bendiksen B, Heir T (2018)
Comorbid psychiatric disorders in a clinical sample of adults with ADHD, and associations with education, work and social characteristics: a cross-sectional study
BMJ Open, 8 (3), e019700
DOI 10.1136/bmjopen-2017-019700, PubMed 29500213

Anker E, Halmøy A, Heir T (2018)
Work participation in ADHD and associations with social characteristics, education, lifetime depression, and ADHD symptom severity
Atten Defic Hyperact Disord, 11 (2), 159-165
DOI 10.1007/s12402-018-0260-2, PubMed 30187383

Bonsaksen T, Grimholt TK, Skogstad L, Lerdal A, Ekeberg Ø, Heir T, Schou-Bredal I (2018)
Self-diagnosed depression in the Norwegian general population - associations with neuroticism, extraversion, optimism, and general self-efficacy
BMC Public Health, 18 (1), 1076
DOI 10.1186/s12889-018-5990-8, PubMed 30157827

Bonsaksen T, Lerdal A, Heir T, Ekeberg Ø, Skogstad L, Grimholt TK, Schou-Bredal I (2018)
General self-efficacy in the Norwegian population: Differences and similarities between sociodemographic groups
Scand J Public Health, 47 (7), 695-704
DOI 10.1177/1403494818756701, PubMed 29417880

Brunes A, Hansen MB, Heir T (2018)
Post-traumatic stress reactions among individuals with visual impairments: a systematic review
Disabil Rehabil, 41 (18), 2111-2118
DOI 10.1080/09638288.2018.1459884, PubMed 29644887

Brunes A, Heir T (2018)
Sexual assaults in individuals with visual impairment: a cross-sectional study of a Norwegian sample
BMJ Open, 8 (6), e021602
DOI 10.1136/bmjopen-2018-021602, PubMed 29886448

Brunes A, Nielsen MB, Heir T (2018)
Bullying among people with visual impairment: Prevalence, associated factors and relationship to self-efficacy and life satisfaction
World J Psychiatry, 8 (1), 43-50
DOI 10.5498/wjp.v8.i1.43, PubMed 29568731

Hansen MB, Berthelsen M, Nissen A, Heir T (2018)
Sick leave before and after a work-place targeted terror attack
Int Arch Occup Environ Health, 92 (3), 327-335
DOI 10.1007/s00420-018-1390-8, PubMed 30519967

Heir T (2018)
TAINTED BY VIOLENCE About secondary traumatization, compassion fatigue and burnout in the helping professions
Tidsskr. Nor. Laegeforen., 138 (4), 388

Publications 2017

Birkeland MS, Blix I, Solberg Ø, Heir T (2017)
Gender Differences in Posttraumatic Stress Symptoms after a Terrorist Attack: A Network Approach
Front Psychol, 8, 2091
DOI 10.3389/fpsyg.2017.02091, PubMed 29250014

Birkeland MS, Hansen MB, 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
J Trauma Stress, 30 (1), 19-26
DOI 10.1002/jts.22158, PubMed 28103399

Birkeland MS, Heir T (2017)
Making connections: exploring the centrality of posttraumatic stress symptoms and covariates after a terrorist attack
Eur J Psychotraumatol, 8 (sup3), 1333387
DOI 10.1080/20008198.2017.1333387, PubMed 29038689

Birkeland MS, Nielsen MB, Hansen MB, 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
Eur J Psychotraumatol, 8 (1), 1302692
DOI 10.1080/20008198.2017.1302692, PubMed 28451070

Birkeland MS, Nielsen MB, Hansen MB, Knardahl S, Heir T (2017)
The impact of a workplace terrorist attack on employees' perceptions of leadership: A longitudinal study from pre- to postdisaster
Leadersh. Q., 28 (5), 659-671
DOI 10.1016/j.leaqua.2017.01.002

Falk RS, Tretli S, Paulsen JE, Sandvik L, Erikssen J, Heir T (2017)
Response to Intravenous Glucose-Tolerance Test and Risk of Cancer: A Long-Term Prospective Cohort Study
EBioMedicine, 21, 117-122
DOI 10.1016/j.ebiom.2017.06.018, PubMed 28687499

Hansen MB, Birkeland MS, 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, PubMed 28767337

Jakobsen M, Meyer DeMott MA, Heir T (2017)
Validity of screening for psychiatric disorders in unaccompanied minor asylum seekers: Use of computer-based assessment
Transcult Psychiatry, 54 (5-6), 611-625
DOI 10.1177/1363461517722868, PubMed 28820354

Jakobsen M, Meyer DeMott MA, Wentzel-Larsen T, Heir T (2017)
The impact of the asylum process on mental health: a longitudinal study of unaccompanied refugee minors in Norway
BMJ Open, 7 (6), e015157
DOI 10.1136/bmjopen-2016-015157, PubMed 28637731

Kristensen P, Dyregrov A, Weisæth L, Straume M, Dyregrov K, Heir T, Bugge RG (2017)
Optimizing Visits to the Site of Death for Bereaved Families After Disasters and Terrorist Events
Disaster Med Public Health Prep, 12 (4), 523-527
DOI 10.1017/dmp.2017.94, PubMed 28899435

Meyer DeMott MA, Jakobsen M, Wentzel-Larsen T, Heir T (2017)
A controlled early group intervention study for unaccompanied minors: Can Expressive Arts alleviate symptoms of trauma and enhance life satisfaction?
Scand J Psychol, 58 (6), 510-518
DOI 10.1111/sjop.12395, PubMed 29105124

Nielsen MB, Birkeland MS, Hansen MB, Knardahl S, Heir T (2017)
Victimization from workplace bullying after a traumatic event: time-lagged relationships with symptoms of posttraumatic stress
Int Arch Occup Environ Health, 90 (5), 411-421
DOI 10.1007/s00420-017-1204-4, PubMed 28161885

Nygaard E, Johansen VA, Siqveland J, Hussain A, Heir T (2017)
Longitudinal Relationship between Self-efficacy and Posttraumatic Stress Symptoms 8 Years after a Violent Assault: An Autoregressive Cross-Lagged Model
Front Psychol, 8, 913
DOI 10.3389/fpsyg.2017.00913, PubMed 28620334

Robsahm TE, Falk RS, Heir T, Sandvik L, Vos L, Erikssen J, Tretli S (2017)
Cardiorespiratory fitness and risk of site-specific cancers: a long-term prospective cohort study
Cancer Med, 6 (4), 865-873
DOI 10.1002/cam4.1043, PubMed 28317282

Schou-Bredal I, Heir T, Skogstad L, Bonsaksen T, Lerdal A, Grimholt T, Ekeberg Ø (2017)
Population-based norms of the Life Orientation Test-Revised (LOT-R)
Int J Clin Health Psychol, 17 (3), 216-224
DOI 10.1016/j.ijchp.2017.07.005, PubMed 30487897

Publications 2016

Birkeland MS, Blix I, Solberg Ø, Heir T (2016)
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
Psychol Trauma, 9 (2), 207-213
DOI 10.1037/tra0000188, PubMed 27642805

Birkeland MS, Knatten CK, Hansen MB, Hem C, Heir T (2016)
Long-term relationships between perceived social support and posttraumatic stress after the 2011 Oslo bombing: A three-year longitudinal study
J Affect Disord, 202, 230-5
DOI 10.1016/j.jad.2016.05.037, PubMed 27267295

Blix I, Birkeland MS, Hansen MB, Heir T (2016)
Posttraumatic Growth-An Antecedent and Outcome of Posttraumatic Stress: Cross-Lagged Associations Among Individuals Exposed to Terrorism
Clin. Psychol. Sci., 4 (4), 620-628
DOI 10.1177/2167702615615866

Blix I, Birkeland MS, Solberg O, Hansen MB, Heir T (2016)
The Launching and Ensnaring Effects of Construing a Traumatic Event as Central to One's Identity and Life Story
Appl. Cogn. Psychol., 30 (4), 526-531
DOI 10.1002/acp.3224

Blix I, Kanten AB, Birkeland MS, Solberg O, Nissen A, Heir T (2016)
"Thinking About What Might Have Happened: Counterfactual Thinking and Post-traumatic Stress in Individuals Directly and Indirectly Exposed to the 2011 Oslo Bombing'
Appl. Cogn. Psychol., 30 (6), 983-991
DOI 10.1002/acp.3289

Hagen C, Lien L, Hauff E, Heir T (2016)
Is mindfulness protective against PTSD? A neurocognitive study of 25 Tsunami disaster survivors
J Negat Results Biomed, 15 (1), 13
DOI 10.1186/s12952-016-0056-x, PubMed 27435165

Heir T, Blix I, Knatten CK (2016)
Thinking that one's life was in danger: perceived life threat in individuals directly or indirectly exposed to terror
Br J Psychiatry, 209 (4), 306-310
DOI 10.1192/bjp.bp.115.170167, PubMed 27056624

Heir T, Falk RS, Robsahm TE, Sandvik L, Erikssen J, Tretli S (2016)
Cholesterol and prostate cancer risk: a long-term prospective cohort study
BMC Cancer, 16, 643
DOI 10.1186/s12885-016-2691-5, PubMed 27535659

Hem C, Nielsen MB, Hansen MB, Heir T (2016)
Effort-Reward Imbalance and Post-Traumatic Stress After a Workplace Terror Attack
Disaster Med Public Health Prep, 10 (2), 219-24
DOI 10.1017/dmp.2015.158, PubMed 26743954

Hussain A, Nygaard E, Siqveland J, Heir T (2016)
The relationship between psychiatric morbidity and quality of life: interview study of Norwegian tsunami survivors 2 and 6 years post-disaster
BMC Psychiatry, 16, 173
DOI 10.1186/s12888-016-0868-8, PubMed 27245669

Kristensen P, Dyregrov K, Dyregrov A, Heir T (2016)
Media exposure and prolonged grief: A study of bereaved parents and siblings after the 2011 Utøya Island terror attack
Psychol Trauma, 8 (6), 661-667
DOI 10.1037/tra0000131, PubMed 27018922

Nilsen AS, Blix I, Leknes S, Ekeberg Ø, Skogstad L, Endestad T, Østberg BC, Heir T (2016)
Brain Activity in Response to Trauma-specific, Negative, and Neutral Stimuli. A fMRI Study of Recent Road Traffic Accident Survivors
Front Psychol, 7, 1173
DOI 10.3389/fpsyg.2016.01173, PubMed 27547195

Nilsen AS, Hilland E, Kogstad N, Heir T, Hauff E, Lien L, Endestad T (2016)
Right temporal cortical hypertrophy in resilience to trauma: an MRI study
Eur J Psychotraumatol, 7, 31314
DOI 10.3402/ejpt.v7.31314, PubMed 27473521

Nissen A, Heir T (2016)
Perceived Safety at Work in the Wake of Terror: The Importance of Security Measures and Emergency Preparedness
Disaster Med Public Health Prep, 10 (6), 805-811
DOI 10.1017/dmp.2016.45, PubMed 27459889

Nygaard E, Hussain A, Siqveland J, Heir T (2016)
General self-efficacy and posttraumatic stress after a natural disaster: a longitudinal study
BMC Psychol, 4, 15
DOI 10.1186/s40359-016-0119-2, PubMed 27048603

Robsahm TE, Falk RS, Heir T, Sandvik L, Vos L, Erikssen JE, Tretli S (2016)
Measured cardiorespiratory fitness and self-reported physical activity: associations with cancer risk and death in a long-term prospective cohort study
Cancer Med, 5 (8), 2136-44
DOI 10.1002/cam4.773, PubMed 27227704

Saur R, Hansen MB, Jansen A, Heir T (2016)
Visually impaired individuals, safety perceptions and traumatic events: a qualitative study of hazards, reactions and coping
Disabil Rehabil, 39 (7), 691-696
DOI 10.3109/09638288.2016.1161836, PubMed 27027571

Skogstad L, Heir T, Hauff E, Ekeberg Ø (2016)
Post-traumatic stress among rescue workers after terror attacks in Norway
Occup Med (Lond), 66 (7), 528-35
DOI 10.1093/occmed/kqw063, PubMed 27325417

Solberg Ø, Birkeland MS, Blix I, Hansen MB, Heir T (2016)
Towards an exposure-dependent model of post-traumatic stress: longitudinal course of post-traumatic stress symptomatology and functional impairment after the 2011 Oslo bombing
Psychol Med, 46 (15), 3241-3254
DOI 10.1017/S0033291716001860, PubMed 27609412

Publications 2015

Birkeland MS, Nielsen MB, Knardahl S, Heir T (2015)
Associations between work environment and psychological distress after a workplace terror attack: the importance of role expectations, predictability and leader support
PLoS One, 10 (3), e0119492
DOI 10.1371/journal.pone.0119492, PubMed 25769023

Birkeland MS, Nielsen MB, Knardahl S, Heir T (2015)
Correction: Associations between work environment and psychological distress after a workplace terror attack: the importance of role expectations, predictability and leader support
PLoS One, 10 (4), e0124849
DOI 10.1371/journal.pone.0124849, PubMed 25856200

Birkeland MS, Nielsen MB, Knardahl S, Heir T (2015)
Time-lagged relationships between leadership behaviors and psychological distress after a workplace terrorist attack
Int Arch Occup Environ Health, 89 (4), 689-97
DOI 10.1007/s00420-015-1106-2, PubMed 26708261

Nissen A, Birkeland Nielsen M, Solberg Ø, Bang Hansen M, Heir T (2015)
Perception of threat and safety at work among employees in the Norwegian ministries after the 2011 Oslo bombing
Anxiety Stress Coping, 28 (6), 650-62
DOI 10.1080/10615806.2015.1009831, PubMed 25616340

Nordløkken A, Pape H, Heir T (2015)
Alcohol consumption in the aftermath of a natural disaster: a longitudinal study
Public Health, 132, 33-9
DOI 10.1016/j.puhe.2015.11.007, PubMed 26715315

Siqveland J, Nygaard E, Hussain A, Tedeschi RG, Heir T (2015)
Posttraumatic growth, depression and posttraumatic stress in relation to quality of life in tsunami survivors: a longitudinal study
Health Qual Life Outcomes, 13, 18
DOI 10.1186/s12955-014-0202-4, PubMed 25889940

Solberg Ø, Blix I, Heir T (2015)
The aftermath of terrorism: posttraumatic stress and functional impairment after the 2011 Oslo bombing
Front Psychol, 6, 1156
DOI 10.3389/fpsyg.2015.01156, PubMed 26300833

Strandmoen JF, Askeland IR, Tjersland OA, Wentzel-Larsen T, Heir T (2015)
Intimate Partner Violence in Men Voluntarily Attending Treatment: A Study of Couple Agreement
Violence Vict, 31 (1), 124-34
DOI 10.1891/0886-6708.VV-D-13-00193, PubMed 26646683

Teodorescu DS, Heir T, Siqveland J, Hauff E, Wentzel-Larsen T, Lien L (2015)
Chronic pain in multi-traumatized outpatients with a refugee background resettled in Norway: a cross-sectional study
BMC Psychol, 3 (1), 7
DOI 10.1186/s40359-015-0064-5, PubMed 25815196

Publications 2014

Askeland IR, Heir T (2014)
Psychiatric disorders among men voluntarily in treatment for violent behaviour: a cross-sectional study
BMJ Open, 4 (4), e004485
DOI 10.1136/bmjopen-2013-004485, PubMed 24713216

Birkeland MS, Hafstad GS, Blix I, Heir T (2014)
Latent classes of posttraumatic stress and growth
Anxiety Stress Coping, 28 (3), 272-86
DOI 10.1080/10615806.2014.956097, PubMed 25145558

Blix I, Birkeland MS, Hansen MB, Heir T (2014)
Posttraumatic growth and centrality of event: A longitudinal study in the aftermath of the 2011 Oslo bombing
Psychol Trauma, 7 (1), 18-23
DOI 10.1037/tra0000006, PubMed 25793589

Blix I, Solberg O, Heir T (2014)
Centrality of Event and Symptoms of Posttraumatic Stress Disorder After the 2011 Oslo Bombing Attack
Appl. Cogn. Psychol., 28 (2), 249-253
DOI 10.1002/acp.2988

Jakobsen M, Demott MA, Heir T (2014)
Prevalence of psychiatric disorders among unaccompanied asylum-seeking adolescents in norway
Clin Pract Epidemiol Ment Health, 10, 53-8
DOI 10.2174/1745017901410010053, PubMed 25006343

Jepsen EK, Langeland W, Heir T (2014)
Early traumatized inpatients high in psychoform and somatoform dissociation: characteristics and treatment response
J Trauma Dissociation, 15 (5), 572-87
DOI 10.1080/15299732.2014.924461, PubMed 24983399

Jepsen EKK, Langeland W, Sexton H, Heir T (2014)
Inpatient Treatment for Early Sexually Abused Adults: A Naturalistic 12-Month Follow-Up Study
Psychol. Trauma, 6 (2), 142-151
DOI 10.1037/a0031646

Kristensen P, Weisaeth L, Hussain A, Heir T (2014)
Prevalence of psychiatric disorders and functional impairment after loss of a family member: a longitudinal study after the 2004 Tsunami
Depress Anxiety, 32 (1), 49-56
DOI 10.1002/da.22269, PubMed 24817217

Rosendal S, Mortensen EL, Andersen HS, Heir T (2014)
Use of health care services before and after a natural disaster among survivors with and without PTSD
Psychiatr Serv, 65 (1), 91-7
DOI 10.1176/appi.ps.201200535, PubMed 24178310

Vervliet M, Meyer Demott MA, Jakobsen M, Broekaert E, Heir T, Derluyn I (2014)
The mental health of unaccompanied refugee minors on arrival in the host country
Scand J Psychol, 55 (1), 33-7
DOI 10.1111/sjop.12094, PubMed 25130065

Publications 2013

Askeland IR, Heir T (2013)
Early dropout in men voluntarily undergoing treatment for intimate partner violence in Norway
Violence Vict, 28 (5), 822-31
DOI 10.1891/0886-6708.vv-d-12-00137, PubMed 24364125

Blix I, Hansen MB, Birkeland MS, Nissen A, Heir T (2013)
Posttraumatic growth, posttraumatic stress and psychological adjustment in the aftermath of the 2011 Oslo bombing attack
Health Qual Life Outcomes, 11, 160
DOI 10.1186/1477-7525-11-160, PubMed 24088369

Hansen MB, Nissen A, Heir T (2013)
Proximity to terror and post-traumatic stress: a follow-up survey of governmental employees after the 2011 Oslo bombing attack
BMJ Open, 3 (7)
DOI 10.1136/bmjopen-2013-002692, PubMed 23872287

Heir T, Erikssen J, Sandvik L (2013)
Life style and longevity among initially healthy middle-aged men: prospective cohort study
BMC Public Health, 13, 831
DOI 10.1186/1471-2458-13-831, PubMed 24025031

Hussain A, Weisæth L, Heir T (2013)
Posttraumatic stress and symptom improvement in Norwegian tourists exposed to the 2004 tsunami--a longitudinal study
BMC Psychiatry, 13, 232
DOI 10.1186/1471-244X-13-232, PubMed 24063414

Jepsen EK, Langeland W, Heir T (2013)
Impact of dissociation and interpersonal functioning on inpatient treatment for early sexually abused adults
Eur J Psychotraumatol, 4
DOI 10.3402/ejpt.v4i0.22825, PubMed 24386549

Nordløkken A, Pape H, Wentzel-Larsen T, Heir T (2013)
Changes in alcohol consumption after a natural disaster: a study of Norwegian survivors after the 2004 Southeast Asia tsunami
BMC Public Health, 13, 58
DOI 10.1186/1471-2458-13-58, PubMed 23336627

Skogstad M, Skorstad M, Lie A, Conradi HS, Heir T, Weisæth L (2013)
Work-related post-traumatic stress disorder
Occup Med (Lond), 63 (3), 175-82
DOI 10.1093/occmed/kqt003, PubMed 23564090

Publications 2012

Hem C, Hussain A, Wentzel-Larsen T, Heir T (2012)
The Norwegian version of the PTSD Checklist (PCL): construct validity in a community sample of 2004 tsunami survivors
Nord J Psychiatry, 66 (5), 355-9
DOI 10.3109/08039488.2012.655308, PubMed 22324655

Kristensen P, Heir T, Herlofsen PH, Langsrud Ø, Weisæth L (2012)
Parental mental health after the accidental death of a son during military service: 23-year follow-up study
J Nerv Ment Dis, 200 (1), 63-8
DOI 10.1097/NMD.0b013e31823e5796, PubMed 22210364

Kristensen P, Tønnessen A, Weisaeth L, Heir T (2012)
Visiting the site of death: experiences of the bereaved after the 2004 Southeast Asian Tsunami
Death Stud, 36 (5), 462-76
DOI 10.1080/07481187.2011.553322, PubMed 24567999

Kristensen P, Weisæth L, Heir T (2012)
Bereavement and mental health after sudden and violent losses: a review
Psychiatry, 75 (1), 76-97
DOI 10.1521/psyc.2012.75.1.76, PubMed 22397543

Nygaard E, Heir T (2012)
World assumptions, posttraumatic stress and quality of life after a natural disaster: a longitudinal study
Health Qual Life Outcomes, 10, 76
DOI 10.1186/1477-7525-10-76, PubMed 22742447

Teodorescu DS, Heir T, Hauff E, Wentzel-Larsen T, Lien L (2012)
Mental health problems and post-migration stress among multi-traumatized refugees attending outpatient clinics upon resettlement to Norway
Scand J Psychol, 53 (4), 316-32
DOI 10.1111/j.1467-9450.2012.00954.x, PubMed 22612589

Teodorescu DS, Siqveland J, Heir T, Hauff E, Wentzel-Larsen T, Lien L (2012)
Posttraumatic growth, depressive symptoms, posttraumatic stress symptoms, post-migration stressors and quality of life in multi-traumatized psychiatric outpatients with a refugee background in Norway
Health Qual Life Outcomes, 10, 84
DOI 10.1186/1477-7525-10-84, PubMed 22824521

Publications 2011

Heir T, Erikssen J, Sandvik L (2011)
Overweight as predictor of long-term mortality among healthy, middle-aged men: a prospective cohort study
Prev Med, 52 (3-4), 223-6
DOI 10.1016/j.ypmed.2011.01.010, PubMed 21277889

Hussain A, Weisaeth L, Heir T (2011)
Psychiatric disorders and functional impairment among disaster victims after exposure to a natural disaster: a population based study
J Affect Disord, 128 (1-2), 135-41
DOI 10.1016/j.jad.2010.06.018, PubMed 20619900

Michel PO, Rosendal S, Weisaeth L, Heir T (2011)
Use of and satisfaction with support received among survivors from three Scandinavian countries after the 2004 Southeast Asian tsunami
Eur Psychiatry, 26 (7), 436-40
DOI 10.1016/j.eurpsy.2010.09.009, PubMed 21277749

Nygaard E, Wentzel-Larsen T, Hussain A, Heir T (2011)
Family structure and posttraumatic stress reactions: a longitudinal study using multilevel analyses
BMC Psychiatry, 11, 195
DOI 10.1186/1471-244X-11-195, PubMed 22171549

Publications 2010

Askeland IR, Evang A, Heir T (2010)
Association of violence against partner and former victim experiences: a sample of clients voluntarily attending therapy
J Interpers Violence, 26 (6), 1095-110
DOI 10.1177/0886260510368152, PubMed 20587478

Heir T, Piatigorsky A, Weisæth L (2010)
Posttraumatic stress symptom clusters associations with psychopathology and functional impairment
J Anxiety Disord, 24 (8), 936-40
DOI 10.1016/j.janxdis.2010.06.020, PubMed 20638820

Heir T, Rosendal S, Bergh-Johannesson K, Michel PO, Mortensen EL, Weisaeth L, Andersen HS, Hultman CM (2010)
Tsunami-affected Scandinavian tourists: disaster exposure and post-traumatic stress symptoms
Nord J Psychiatry, 65 (1), 9-15
DOI 10.3109/08039481003786394, PubMed 20429748

Hussain A, Weisaeth L, Heir T (2010)
Changes in religious beliefs and the relation of religiosity to posttraumatic stress and life satisfaction after a natural disaster
Soc Psychiatry Psychiatr Epidemiol, 46 (10), 1027-32
DOI 10.1007/s00127-010-0270-7, PubMed 20676883

Kristensen P, Weisaeth L, Heir T (2010)
Predictors of complicated grief after a natural disaster: a population study two years after the 2004 South-East Asian tsunami
Death Stud, 34 (2), 137-50
DOI 10.1080/07481180903492455, PubMed 24479178

Publications 2009

Heir T, Piatigorsky A, Weisaeth L (2009)
Longitudinal changes in recalled perceived life threat after a natural disaster
Br J Psychiatry, 194 (6), 510-4
DOI 10.1192/bjp.bp.108.056580, PubMed 19478289

Heir T, Sandvik L, Weisaeth L (2009)
Hallmarks of posttraumatic stress: symptom Z-scores in a tsunami-affected tourist population
Psychopathology, 42 (3), 157-64
DOI 10.1159/000207457, PubMed 19276641

Hussain A, Weisaeth L, Heir T (2009)
Nonresponse to a population-based postdisaster postal questionnaire study
J Trauma Stress, 22 (4), 324-8
DOI 10.1002/jts.20431, PubMed 19644976

Kristensen P, Weisaeth L, Heir T (2009)
Psychiatric disorders among disaster bereaved: an interview study of individuals directly or not directly exposed to the 2004 tsunami
Depress Anxiety, 26 (12), 1127-33
DOI 10.1002/da.20625, PubMed 19998267

Thoresen S, Tambs K, Hussain A, Heir T, Johansen VA, Bisson JI (2009)
Brief measure of posttraumatic stress reactions: impact of Event Scale-6
Soc Psychiatry Psychiatr Epidemiol, 45 (3), 405-12
DOI 10.1007/s00127-009-0073-x, PubMed 19479171

Publications 2008

Heir T, Weisaeth L (2008)
Acute disaster exposure and mental health complaints of Norwegian tsunami survivors six months post disaster
Psychiatry, 71 (3), 266-76
DOI 10.1521/psyc.2008.71.3.266, PubMed 18834277

Publications 2007

Weisaeth L, Dyb G, Heir T (2007)
Disaster medicine and mental health: Who, how, when for international and national disasters
Psychiatry-Interpers. Biol. Process., 70 (4), 337-344
DOI 10.1521/psyc.2007.70.4.337

Publications 2006

Heir T, Weisaeth L (2006)
Back to where it happened: self-reported symptom improvement of tsunami survivors who returned to the disaster area
Prehosp Disaster Med, 21 (2), 59-63
DOI 10.1017/S1049023X00003368, PubMed 16770993

Publications 1998

Heir T (1998)
Musculoskeletal injuries in officer training: one-year follow-up
Mil Med, 163 (4), 229-33
DOI 10.1093/milmed/163.4.229, PubMed 9575768

Publications 1997

Heir T, Eide G (1997)
Injury proneness in infantry conscripts undergoing a physical training programme: smokeless tobacco use, higher age, and low levels of physical fitness are risk factors
Scand J Med Sci Sports, 7 (5), 304-11
DOI 10.1111/j.1600-0838.1997.tb00158.x, PubMed 9338950

Publications 1996

Heir T, Eide G (1996)
Age, body composition, aerobic fitness and health condition as risk factors for musculoskeletal injuries in conscripts
Scand J Med Sci Sports, 6 (4), 222-7
DOI 10.1111/j.1600-0838.1996.tb00095.x, PubMed 8896095

Heir T, Glomsaker P (1996)
Epidemiology of musculoskeletal injuries among Norwegian conscripts undergoing basic military training
Scand J Med Sci Sports, 6 (3), 186-91
DOI 10.1111/j.1600-0838.1996.tb00088.x, PubMed 8827849

Publications 1995

Heir T, Larsen S (1995)
The influence of training intensity, airway infections and environmental conditions on seasonal variations in bronchial responsiveness in cross-country skiers
Scand J Med Sci Sports, 5 (3), 152-9
DOI 10.1111/j.1600-0838.1995.tb00029.x, PubMed 7552758

Heir T, Stemshaug H (1995)
Salbutamol and high-intensity treadmill running in nonasthmatic highly conditioned athletes
Scand J Med Sci Sports, 5 (4), 231-6
DOI 10.1111/j.1600-0838.1995.tb00039.x, PubMed 7552768

Heir T, Aanestad G, Carlsen KH, Larsen S (1995)
Respiratory tract infection and bronchial responsiveness in elite athletes and sedentary control subjects
Scand J Med Sci Sports, 5 (2), 94-9
DOI 10.1111/j.1600-0838.1995.tb00019.x, PubMed 7606517