• Maternal Age at Child Birth, Birth Order, and Suicide at a Young Age: A Sibling Comparison 

      Bjørngaard, Johan Håkon; Bjerkeset, Ottar; Vatten, Lars Johan; Janszky, Imre; Gunnell, David; Romundstad, Pål Richard (Journal article; Peer reviewed, 2013)
      Previous studies have reported strong associations between birth order, maternal age, and suicide, but these results might have been confounded by socioeconomic and other factors. To control for such factors, we compared ...