• Associations between health behaviours, fertility and reproductive outcomes: triangulation of evidence in the Norwegian Mother, Father and Child Cohort Study (MoBa) 

      Wootton, Robyn E.; Lawn, Rebecca B.; Magnus, Maria C.; Treur, Jorien L.; Corfield, Elizabeth C.; Njølstad, Pål Rasmus; Andreassen, Ole A.; Lawlor, Deborah A.; Munafò, Marcus R.; Håberg, Siri E.; Smith, George Davey; Reichborn-Kjennerud, Ted; Magnus, Per; Havdahl, Alexandra (Journal article; Peer reviewed, 2023)
      Background Guidance to improve fertility includes reducing alcohol and caffeine consumption, achieving healthy weight-range and stopping smoking. Advice is informed by observational evidence, which is often biased by ...
    • Bounding the average causal effect in Mendelian randomisation studies with multiple proposed instruments: An application to prenatal alcohol exposure and attention deficit hyperactivity disorder 

      Diemer, Elizabeth W.; Havdahl, Alexandra; Andreassen, Ole A.; Munafò, Marcus R.; Njølstad, Pål Rasmus; Tiemeier, Henning; Zuccolo, Luisa; Swanson, Sonja A. (Journal article; Peer reviewed, 2023)
      Background As large-scale observational data become more available, caution regarding causal assumptions remains critically important. This may be especially true for Mendelian randomisation (MR), an increasingly popular ...
    • Do environmental effects indexed by parental genetic variation influence common psychiatric symptoms in childhood? 

      Jami, Eshim S.; Hammerschlag, Anke R.; Sallis, Hannah M.; Qiao, Zhen; Andreassen, Ole A.; Magnus, Per Minor; Njølstad, Pål Rasmus; Havdahl, Alexandra; Pingault, Jean-Baptiste; Evans, David M.; Munafò, Marcus R.; Ystrom, Eivind; Bartels, Meike; Middeldorp, Christel (Journal article; Peer reviewed, 2023)
      Parental genes may indirectly influence offspring psychiatric outcomes through the environment that parents create for their children. These indirect genetic effects, also known as genetic nurture, could explain individual ...
    • 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 ...