Often bullies, threatens or intimidates others
Often initiates physical fights
Has used a weapon with potential to cause serious physical harm to others
Has been physically cruel to people
Has been physically cruel to animals
Has stolen whilst confronting a victim
Has forced someone into sexual activity
Deliberate destruction of property:
Has destroyed other people’s property
Deceitfulness or theft:
Has broken into someone else’s house, building or car
Has stolen items
Cons others into giving goods or favours
Serious violations of rules
Often truants from school, beginning before age 13
Often stays out at night in defiance of parents, beginning before age 13
Has run away from home overnight at least twice
Drug and alcohol use
Sexual behavior at a very young age
How common is conduct disorder?
Conduct Disorder affects about 6-7% of boys and 3% girls aged 10 or younger. It is more prevalent during teenage years with reported rates for 11 to 16 year old rising to about 8% in boys and 5% in girls. (Data source UK Office for National Statistics, 2004)
What is the relationship between ODD and CD?
Many of the traits overlap between Oppositional Defiant Disorder and Conduct Disorder. However, ODD is much less severe and also more common than CD. When ODD is left untreated and undiagnosed, it may lead to the more serious Conduct Disorder.
After the age of 18, a Conduct Disorder may develop into an Anti-Social Personality Disorder (Conduct Disorders).