• Acetaminophen use during pregnancy and offspring attention deficit hyperactivity disorder - a longitudinal sibling control study 

      Gustavson, Kristin; Ystrøm, Eivind; Ask, Helga; Torvik, Fartein Ask; Hornig, Mady; Susser, Ezra; Lipkin, Ian; Lupattelli, Angela; Stoltenberg, Camilla; Magnus, Per Minor; Mjaaland, Siri; Askeland, Ragna Bugge; Walle, Kjersti Mæhlum; Bresnahan, Michaeline; Nordeng, Hedvig Marie Egeland; Reichborn-Kjennerud, Ted (Journal article, 2021)
      Background: Maternal acetaminophen use during pregnancy is associated with increased risk of ADHD in the child. This could reflect causal influence of acetaminophen on fetal neurodevelopment or could be due to confounding ...
    • Associations of Binge Drinking With the Risks of Ischemic Heart Disease and Stroke: A Study of Pooled Norwegian Health Surveys 

      Degerud, Eirik Magnus Meek; Høiseth, Gudrun; Mørland, Jørg; Ariansen, Inger Kristine Holtermann; Graff-Iversen, Sidsel; Ystrøm, Eivind; Zuccolo, Luisa; Tell, Grethe S.; Næss, Øyvind (Journal article; Peer reviewed, 2021)
      Norwegian health survey data (1987–2003) were analyzed to determine if binge drinking increases the risk of incident major events from ischemic heart disease (IHD) and stroke. Among current drinkers reporting average alcohol ...
    • Educational attainment and mortality in schizophrenia 

      Tesli, Martin Steen; Degerud, Eirik Magnus Meek; Plana-Ripoll, Oleguer; Gustavson, Kristin; Torvik, Fartein Ask; Ystrøm, Eivind; Ask, Helga; Tesli, Natalia; Høye, Anne; Stoltenberg, Camilla; Reichborn-Kjennerud, Ted; Næss, Øyvind Erik; Nesvåg, Ragnar (Journal article; Peer reviewed, 2022)
      Background Individuals suffering from schizophrenia have a reduced life expectancy with cardiovascular disease (CVD) as a major contributor. Low educational attainment is associated with schizophrenia, as well as with ...
    • Genome-wide association meta-analysis of childhood and adolescent internalizing symptoms 

      Jami, Eshim S.; Hammerschlag, Anke R.; Ip, Hill F.; Allegrini, Andrea G.; Benyamin, Beben; Border, Richard; Diemer, Elizabeth W.; Jiang, Chang; Karhunen, Ville; Lu, Yi; Lu, Qing; Mallard, Travis T.; Mishra, Pashupati P.; Nolte, Ilja M.; Palviainen, Teemu; Peterson, Roseann E.; Sallis, Hannah M.; Shabalin, Andrey A.; Tate, Ashley E.; Thiering, Elisabeth; Vilor-Tejedor, Natàlia; Wang, Carol; Zhou, Ang; Adkins, Daniel E.; Alemany, Silvia; Ask, Helga; Chen, Qi; Corley, Robin P.; Ehli, Erik A.; Evans, Luke M.; Havdahl, Alexandra; Hagenbeek, Fiona A.; Hakulinen, Christian; Henders, Anjali K.; Hottenga, Jouke Jan; Korhonen, Tellervo; Mamun, Abdullah; Marrington, Shelby; Neumann, Alexander; Rimfeld, Kaili; Rivadeneira, Fernando; Silberg, Judy L.; van Beijsterveldt, Catharina E.; Vuoksimaa, Eero; Whipp, Alyce M.; Tong, Xiaoran; Andreassen, Ole; Boomsma, Dorret I.; Brown, Sandra A.; Burt, S. Alexandra; Copeland, William; Dick, Danielle M.; Harden, K. Paige; Harris, Kathleen Mullan; Hartman, Catharina A.; Heinrich, Joachim; Hewitt, John K.; Hopfer, Christian; Hypponen, Elina; Jarvelin, Marjo-Riitta; Kaprio, Jaakko; Keltikangas-Järvinen, Liisa; Klump, Kelly L.; Krauter, Kenneth; Kuja-Halkola, Ralf; Larsson, Henrik; Lehtimäki, Terho; Lichtenstein, Paul; Lundström, Sebastian; Maes, Hermine H.; Magnus, Per Minor; Munafò, Marcus R.; Najman, Jake M.; Njølstad, Pål Rasmus; Oldehinkel, Albertine J.; Pennell, Craig E.; Plomin, Robert; Reichborn-Kjennerud, Ted; Reynolds, Chandra; Rose, Richard J.; Smolen, Andrew; Snieder, Harold; Stallings, Michael; Standl, Marie; Sunyer, Jordi; Tiemeier, Henning; Wadsworth, Sally J.; Wall, Tamara L.; Whitehouse, Andrew J.O.; Williams, Gail M.; Ystrøm, Eivind; Nivard, Michel G.; Bartels, Meike; Middeldorp, Christel M. (Journal article; Peer reviewed, 2022)
      Objective: To investigate the genetic architecture of internalizing symptoms in childhood and adolescence. Method: In 22 cohorts, multiple univariate genome-wide association studies (GWASs) were performed using repeated ...
    • Geographical variation in ADHD: do diagnoses refect symptom levels? 

      Widding-Havneraas, Tarjei; Markussen, Simen; Elwert, Felix; Lyhmann, Ingvild; Bjelland, Ingvar; Halmøy, Anne; Chaulagain, Ashmita; Ystrøm, Eivind; Mykletun, Arnstein; Zachrisson, Henrik Daae (Journal article; Peer reviewed, 2022)
      Rates of ADHD diagnosis vary across regions in many countries. However, no prior study has investigated how much within-country geographic variation in ADHD diagnoses is explained by variation in ADHD symptom levels. We ...
    • How important are parents in the development of child anxiety and depression? A genomic analysis of parent-offspring trios in the Norwegian Mother Father and Child Cohort Study (MoBa) 

      Cheesman, Rosa; Eilertsen, Espen Moen; Ahmadzadeh, Yasmin I.; Gjerde, Line C.; Hannigan, Laurie John; Havdahl, Alexandra; Young, Alexander I.; Eley, Thalia C.; Njølstad, Pål Rasmus; Magnus, Per; Andreassen, Ole Andreas; Ystrøm, Eivind; McAdams, Tom A. (Journal article; Peer reviewed, 2020)
      Background Many studies detect associations between parent behaviour and child symptoms of anxiety and depression. Despite knowledge that anxiety and depression are influenced by a complex interplay of genetic and ...
    • Maternal alcohol use during pregnancy and offspring attention-deficit hyperactivity disorder (ADHD): a prospective sibling control study 

      Eilertsen, Espen Moen; Gjerde, Line C.; Reichborn-Kjennerud, Ted; Ørstavik, Ragnhild; Knudsen, Gun Peggy; Stoltenberg, Camilla; Czajkowski, Nikolai Olavi; Røysamb, Espen; Kendler, Kenneth S; Ystrøm, Eivind (Peer reviewed; Journal article, 2017-10)
      Background: Maternal alcohol use during pregnancy has repeatedly been associated with development of attention-deficit hyperactivity disorder (ADHD) in the offspring. It is, however not known whether this reflects a direct ...
    • Maternal and offspring genetic risk score analyses of fetal alcohol exposure and attention-deficit hyperactivity disorder risk in offspring 

      Haan, Elis; Sallis, Hannah M.; Ystrøm, Eivind; Njølstad, Pål Rasmus; Andreassen, Ole Andreas; Reichborn-Kjennerud, Ted; Munafo, Marcus R.; Havdahl, Alexandra; Zuccolo, Luisa (Journal article; Peer reviewed, 2021)
      Background: Studies investigating the effects of prenatal alcohol exposure on childhood attention-deficit hyperactivity disorder (ADHD) symptoms using conventional observational designs have reported inconsistent findings, ...
    • Maternal fever during pregnancy and offspring attention deficit hyperactivity disorder 

      Gustavson, Kristin; Ask, Helga; Ystrøm, Eivind; Stoltenberg, Camilla; Lipkin, W. Ian; Suren, Pål; Håberg, Siri Eldevik; Magnus, Per; Knudsen, Gun Peggy S.; Eilertsen, Espen Moen; Bresnahan, Michaeline; Aase, Heidi; Mjaaland, Siri; Susser, Ezra S.; Hornig, Mady; Reichborn-Kjennerud, Ted (Peer reviewed; Journal article, 2019-07-02)
      Maternal fever during pregnancy is associated with several adverse child outcomes. We investigated associations between maternal fever and ADHD among offspring, as well as the sub-dimensions of ADHD - inattention and ...
    • Maternal heavy alcohol use and toddler behavior problems: a fixed effects regression analysis 

      Knudsen, Ann Kristin; Ystrøm, Eivind; Skogen, Jens Christoffer; Torgersen, Leila (Peer reviewed; Journal article, 2015-01-14)
      Using data from the longitudinal Norwegian Mother and Child Cohort Study, the aims of the current study were to examine associations between postnatal maternal heavy alcohol use and toddler behavior problems, taking both ...
    • Maternal pre-pregnancy risk drinking and toddler behavior problems: the Norwegian Mother and Child Cohort Study 

      Knudsen, Ann Kristin; Skogen, Jens Christoffer; Ystrøm, Eivind; SIvertsen, Børge; Tell, Grethe Seppola; Torgersen, Leila (Peer reviewed; Journal article, 2014-07-23)
      Maternal risk drinking may be a risk factor for child behavior problems even if the mother has discontinued this behavior. Whether pre-pregnancy risk drinking is an independent predictor of child behavior problems, or ...
    • Mechanisms linking parental educational attainment with child ADHD, depression, and academic problems: a study of extended families in The Norwegian Mother, Father and Child Cohort Study 

      Torvik, Fartein Ask; Eilertsen, Espen Moen; McAdams, Tom A.; Gustavson, Kristin; Zachrisson, Henrik Daae; Brandlistuen, Ragnhild Eek; Gjerde, Line C.; Havdahl, Alexandra; Stoltenberg, Camilla; Ask, Helga; Ystrøm, Eivind (Journal article; Peer reviewed, 2020)
      Background: Low educational attainment in parents is associated with child psychopathology. It is not clear whether the associations are due to risk factors that family members share or due to effects of maternal or ...
    • Modeling assortative mating and genetic similarities between partners, siblings, and in-laws 

      Torvik, Fartein Ask; Eilertsen, Espen Moen; Hannigan, Laurie J.; Cheesman, Rosa; Howe, Laurence J.; Magnus, Per Minor; Reichborn-Kjennerud, Ted; Andreassen, Ole A.; Njølstad, Pål Rasmus; Havdahl, Alexandra; Ystrøm, Eivind (Journal article; Peer reviewed, 2022)
      Assortative mating on heritable traits can have implications for the genetic resemblance between siblings and in-laws in succeeding generations. We studied polygenic scores and phenotypic data from pairs of partners ...
    • Risk of attention‐deficit hyperactivity disorder in offspring of mothers with infections during pregnancy 

      Walle, Kjersti Mæhlum; Askeland, Ragna Bugge; Gustavson, Kristin; Mjaaland, Siri; Ystrøm, Eivind; Lipkin, W. Ian; Magnus, Per Minor; Stoltenberg, Camilla; Susser, Ezra; Bresnahan, Michaeline; Hornig, Mady; Reichborn-Kjennerud, Ted; Ask, Helga (Journal article; Peer reviewed, 2022)
      Background Maternal infections during pregnancy are common events that have been suggested to be risk factors for Attention-deficit hyperactivity disorder (ADHD) in offspring. Only a few studies have been conducted to ...
    • Sleep problems and depressive symptoms in toddlers and 8-year-old children: A longitudinal study 

      Sivertsen, Børge; Harvey, Allison G.; Reichborn-Kjennerud, Ted; Ystrøm, Eivind; Hysing, Mari (Journal article; Peer reviewed, 2021)
      Sleep and depression are interlinked throughout the lifespan, but very few studies have examined the directionality of the sleep–depression link in children. The aim of the current study was to prospectively examine the ...