Publications 2025

Varnet Pérez T, Øvergaard KR, Frigessi A, Biele G (2025)
Long-term effect of pharmacological treatment on academic achievement of Norwegian children diagnosed with ADHD: a target trial emulation
Int J Epidemiol, 54 (2)
DOI 10.1093/ije/dyaf010, PubMed 39955105

Publications 2024

Ingeborgrud CB, Oerbeck B, Friis S, Pripp AH, Zeiner P, Aase H, Biele G, Dalsgaard S, Overgaard KR (2024)
Do maternal anxiety and depressive symptoms predict anxiety in children with and without ADHD at 8 years?
Eur Child Adolesc Psychiatry, 33 (9), 3169-3178
DOI 10.1007/s00787-024-02374-1, PubMed 38376613

Ingeborgrud CB, Oerbeck B, Friis S, Pripp AH, Aase H, Biele G, Dalsgaard S, Overgaard KR (2024)
Low perceived social support in mothers during pregnancy and early childhood; associations with anxiety and ADHD symptoms in children at 3 and 8 years
Soc Psychiatry Psychiatr Epidemiol, 60 (4), 895-903
DOI 10.1007/s00127-024-02792-1, PubMed 39503851

Mørdre M, Ørbeck B, Hoel RE, Øvergaard KR (2024)
Food selectivity in children and adolescents with autism spectrum disorders - a systematic literature review
Tidsskr Nor Laegeforen, 144 (14)
DOI 10.4045/tidsskr.24.0193, PubMed 39605156

Overgaard KR, Oerbeck B, Friis S, Pripp AH, Aase H, Ingeborgrud CB, Biele G (2024)
Functional Impairment Related to ADHD From Preschool to School Age
J Atten Disord, 29 (3), 220-230
DOI 10.1177/10870547241301179, PubMed 39625105

Publications 2023

Hall AM, Keil AP, Choi G, Ramos AM, Richardson DB, Olshan AF, Martin CL, Villanger GD, Reichborn-Kjennerud T, Zeiner P, Øvergaard KR, Sakhi AK, Thomsen C, Aase H, Engel SM (2023)
Prenatal organophosphate ester exposure and executive function in Norwegian preschoolers
Environ Epidemiol, 7 (3), e251
DOI 10.1097/EE9.0000000000000251, PubMed 37304339

Ingeborgrud CB, Oerbeck B, Friis S, Zeiner P, Pripp AH, Aase H, Biele G, Dalsgaard S, Overgaard KR (2023)
Anxiety and depression from age 3 to 8 years in children with and without ADHD symptoms
Sci Rep, 13 (1), 15376
DOI 10.1038/s41598-023-42412-7, PubMed 37717097

Overgaard KR, Oerbeck B, Friis S, Pripp AH, Aase H, Biele G, Ingeborgrud CB, Polanczyk GV, Zeiner P (2023)
Early and repeated screening detects children with persistent attention-deficit/hyperactivity disorder
Eur Child Adolesc Psychiatry, 33 (6), 1807-1815
DOI 10.1007/s00787-023-02284-8, PubMed 37624573

Publications 2022

Biele G, Lekhal R, Overgaard KR, Vaage Wang M, Eek Brandlistuen R, Friis S, Zeiner P (2022)
The effect of special educational assistance in early childhood education and care on psycho-social difficulties in elementary school children
Child Adolesc Psychiatry Ment Health, 16 (1), 14
DOI 10.1186/s13034-022-00442-5, PubMed 35209931

Biele G, Overgaard KR, Friis S, Zeiner P, Aase H (2022)
Cognitive, emotional, and social functioning of preschoolers with attention deficit hyperactivity problems
BMC Psychiatry, 22 (1), 78
DOI 10.1186/s12888-021-03638-9, PubMed 35105343

Hall AM, Ramos AM, Drover SS, Choi G, Keil AP, Richardson DB, Martin CL, Olshan AF, Villanger GD, Reichborn-Kjennerud T, Zeiner P, Øvergaard KR, Sakhi AK, Thomsen C, Aase H, Engel SM (2022)
Gestational organophosphate ester exposure and preschool attention-deficit/hyperactivity disorder in the Norwegian Mother, Father, and Child cohort study
Int J Hyg Environ Health, 248, 114078
DOI 10.1016/j.ijheh.2022.114078, PubMed 36455478

Manley CK, Villanger GD, Thomsen C, Cequier E, Sakhi AK, Reichborn-Kjennerud T, Herring AH, Øvergaard KR, Zeiner P, Roell KR, Engel LS, Kamai EM, Thistle J, Hall A, Aase H, Engel SM (2022)
Prenatal Exposure to Organophosphorus Pesticides and Preschool ADHD in the Norwegian Mother, Father and Child Cohort Study
Int J Environ Res Public Health, 19 (13)
DOI 10.3390/ijerph19138148, PubMed 35805806

Overgaard KR, Oerbeck B, Friis S, Pripp AH, Aase H, Biele G, Ingeborgrud CB, Polanczyk GV, Zeiner P (2022)
Attention-deficit/hyperactivity disorder from preschool to school age: change and stability of parent and teacher reports
Eur Child Adolesc Psychiatry, 32 (10), 1947-1955
DOI 10.1007/s00787-022-02019-1, PubMed 35737107

Thistle JE, Ramos A, Roell KR, Choi G, Manley CK, Hall AM, Villanger GD, Cequier E, Sakhi AK, Thomsen C, Zeiner P, Reichborn-Kjennerud T, Øvergaard KR, Herring A, Aase H, Engel SM (2022)
Prenatal organophosphorus pesticide exposure and executive function in preschool-aged children in the Norwegian Mother, Father and Child Cohort Study (MoBa)
Environ Res, 212 (Pt D), 113555
DOI 10.1016/j.envres.2022.113555, PubMed 35613628

Publications 2021

Choi G, Villanger GD, Drover SSM, Sakhi AK, Thomsen C, Nethery RC, Zeiner P, Knudsen GP, Reichborn-Kjennerud T, Øvergaard KR, Herring AH, Skogan AH, Biele G, Aase H, Engel SM (2021)
Prenatal phthalate exposures and executive function in preschool children
Environ Int, 149, 106403
DOI 10.1016/j.envint.2021.106403, PubMed 33524667

Kamai EM, Villanger GD, Nethery RC, Thomsen C, Sakhi AK, Drover SSM, Hoppin JA, Knudsen GP, Reichborn-Kjennerud T, Zeiner P, Overgaard K, Herring AH, Aase H, Engel SM (2021)
Gestational Phthalate Exposure and Preschool Attention Deficit Hyperactivity Disorder in Norway
Environ Epidemiol, 5 (4), e161
DOI 10.1097/EE9.0000000000000161, PubMed 34414345

Oerbeck B, Ohre B, Zeiner P, Pripp AH, Wagner K, Overgaard KR (2021)
What can a national patient registry tell us about psychiatric disorders and reasons for referral to outpatient services in youth with hearing loss?
Nord J Psychiatry, 76 (5), 365-371
DOI 10.1080/08039488.2021.1979095, PubMed 34612158

Oerbeck B, Overgaard KR, Attwood T, Bjaastad JF (2021)
"Less stress": a pilot study on a cognitive behavioral treatment program for anxiety in children with autism spectrum disorders
Scand J Child Adolesc Psychiatr Psychol, 9, 30-40
DOI 10.21307/sjcapp-2021-005, PubMed 33928052

Oerbeck B, Overgaard KR, Hjellvik V, Lien L, Bramness JG (2021)
The Use of Antidepressants, Antipsychotics, and Stimulants in Youth Residential Care
J Child Adolesc Psychopharmacol, 31 (5), 350-357
DOI 10.1089/cap.2020.0123, PubMed 33635152

Overgaard KR, Oerbeck B, Friis S, Pripp AH, Aase H, Zeiner P (2021)
Predictive validity of attention-deficit/hyperactivity disorder from ages 3 to 5 Years
Eur Child Adolesc Psychiatry, 31 (7), 1-10
DOI 10.1007/s00787-021-01750-5, PubMed 33677627

Overgaard KR, Oerbeck B, Wagner K, Friis S, Øhre B, Zeiner P (2021)
Youth with hearing loss: Emotional and behavioral problems and quality of life
Int J Pediatr Otorhinolaryngol, 145, 110718
DOI 10.1016/j.ijporl.2021.110718, PubMed 33887550

Publications 2020

Oerbeck B, Furu K, Zeiner P, Aase H, Reichborn-Kjennerud T, Pripp AH, Overgaard KR (2020)
Child and Parental Characteristics of Medication Use for Attention-Deficit/Hyperactivity Disorder
J Child Adolesc Psychopharmacol, 30 (7), 456-464
DOI 10.1089/cap.2019.0019, PubMed 32672488

Oerbeck B, Overgaard KR, Bergman RL, Pripp AH, Kristensen H (2020)
The Selective Mutism Questionnaire: Data from typically developing children and children with selective mutism
Clin Child Psychol Psychiatry, 25 (4), 754-765
DOI 10.1177/1359104520914695, PubMed 32281879

Oerbeck B, Overgaard KR, Hjellvik V, Bramness JG, Hansen BH, Lien L (2020)
The Use of Sleep Medication in Youth Residential Care
J Child Adolesc Psychopharmacol, 30 (5), 335-341
DOI 10.1089/cap.2019.0172, PubMed 31976753

Overgaard KR, Orbeck B (2020)
Children with neurodegenerative disease and obsessive-compulsive behaviour
Tidsskr. Nor. Laegeforen., 140 (6), 574-577

Villanger GD, Drover SSM, Nethery RC, Thomsen C, Sakhi AK, Øvergaard KR, Zeiner P, Hoppin JA, Reichborn-Kjennerud T, Aase H, Engel SM (2020)
Associations between urine phthalate metabolites and thyroid function in pregnant women and the influence of iodine status
Environ Int, 137, 105509
DOI 10.1016/j.envint.2020.105509, PubMed 32044443

Øvergaard KR, Ørbeck B (2020)
Children with neurodegenerative disease and obsessive-compulsive behaviour
Tidsskr Nor Laegeforen, 140 (6)
DOI 10.4045/tidsskr.19.0703, PubMed 32321233

Publications 2019

Overgaard KR, Oerbeck B, Friis S, Biele G, Pripp AH, Aase H, Zeiner P (2019)
Screening with an ADHD-specific rating scale in preschoolers: A cross-cultural comparison of the Early Childhood Inventory-4
Psychol Assess, 31 (8), 985-994
DOI 10.1037/pas0000722, PubMed 30958025

Skogheim TS, Villanger GD, Weyde KVF, Engel SM, Surén P, Øie MG, Skogan AH, Biele G, Zeiner P, Øvergaard KR, Haug LS, Sabaredzovic A, Aase H (2019)
Prenatal exposure to perfluoroalkyl substances and associations with symptoms of attention-deficit/hyperactivity disorder and cognitive functions in preschool children
Int J Hyg Environ Health, 223 (1), 80-92
DOI 10.1016/j.ijheh.2019.10.003, PubMed 31653559

Publications 2018

Oerbeck B, Overgaard KR, Stein MB, Pripp AH, Kristensen H (2018)
Treatment of selective mutism: a 5-year follow-up study
Eur Child Adolesc Psychiatry, 27 (8), 997-1009
DOI 10.1007/s00787-018-1110-7, PubMed 29357099

Overgaard KR, Madsen KB, Oerbeck B, Friis S, Obel C (2018)
The predictive validity of the Strengths and Difficulties Questionnaire for child attention-deficit/hyperactivity disorder
Eur Child Adolesc Psychiatry, 28 (5), 625-633
DOI 10.1007/s00787-018-1226-9, PubMed 30220077

Øvergaard KR, Oerbeck B, Friis S, Pripp AH, Biele G, Aase H, Zeiner P (2018)
Attention-Deficit/Hyperactivity Disorder in Preschoolers: The Accuracy of a Short Screener
J Am Acad Child Adolesc Psychiatry, 57 (6), 428-435
DOI 10.1016/j.jaac.2018.03.008, PubMed 29859558

Øvergaard KR, Oerbeck B, Friis S, Pripp AH, Biele G, Aase H, Zeiner P (2018)
Dr. Øvergaard et al. Reply
J Am Acad Child Adolesc Psychiatry, 57 (9), 701-702
DOI 10.1016/j.jaac.2018.05.021, PubMed 30196877

Publications 2017

Oerbeck B, Overgaard KR, Aspenes ST, Pripp AH, Mordre M, Aase H, Reichborn-Kjennerud T, Zeiner P (2017)
ADHD, comorbid disorders and psychosocial functioning: How representative is a child cohort study? Findings from a national patient registry
BMC Psychiatry, 17 (1), 23
DOI 10.1186/s12888-017-1204-7, PubMed 28095819

Oerbeck B, Overgaard KR, Pripp AH, Reichborn-Kjennerud T, Aase H, Zeiner P (2017)
Early Predictors of ADHD: Evidence from a Prospective Birth Cohort
J Atten Disord, 24 (12), 1685-1692
DOI 10.1177/1087054717696765, PubMed 29254401

Publications 2015

Manassis K, Oerbeck B, Overgaard KR (2015)
The use of medication in selective mutism: a systematic review
Eur Child Adolesc Psychiatry, 25 (6), 571-8
DOI 10.1007/s00787-015-0794-1, PubMed 26560144

Oerbeck B, Overgaard K, Pripp AH, Aase H, Reichborn-Kjennerud T, Zeiner P (2015)
Adult ADHD Symptoms and Satisfaction With Life: Does Age and Sex Matter?
J Atten Disord, 23 (1), 3-11
DOI 10.1177/1087054715612257, PubMed 26582800

Overgaard KR, Oerbeck B, Aase H, Torgersen S, Reichborn-Kjennerud T, Zeiner P (2015)
Emotional Lability in Preschoolers With Symptoms of ADHD
J Atten Disord, 22 (8), 787-795
DOI 10.1177/1087054715576342, PubMed 25804545

Skogan AH, Egeland J, Zeiner P, Øvergaard KR, Oerbeck B, Reichborn-Kjennerud T, Aase H (2015)
Factor structure of the Behavior Rating Inventory of Executive Functions (BRIEF-P) at age three years
Child Neuropsychol, 22 (4), 472-92
DOI 10.1080/09297049.2014.992401, PubMed 25573465

Publications 2014

Overgaard KR, Aase H, Torgersen S, Reichborn-Kjennerud T, Oerbeck B, Myhre A, Zeiner P (2014)
Continuity in features of anxiety and attention deficit/hyperactivity disorder in young preschool children
Eur Child Adolesc Psychiatry, 23 (9), 743-52
DOI 10.1007/s00787-014-0538-7, PubMed 24687273

Publications 2012

Overgaard KR, Aase H, Torgersen S, Zeiner P (2012)
Co-Occurrence of ADHD and Anxiety in Preschool Children
J Atten Disord, 20 (7), 573-80
DOI 10.1177/1087054712463063, PubMed 23160487