 Females, aged 12–17, who had attempted suicide scored significantly higher on the CDI than psychiatric controls; and girls who were repeat attempters of suicide scored higher on the CDI than first-time suicide attempters.A 2012 study researched the potential relationship between pediatric inflammatory bowel diseases (IBD), such as Crohn's disease and ulcerative colitis, and depressive symptoms.A significant positive correlation was found between IBD and somatic complaints that reflect depressive symptoms.