_cdf6e8dffbe6a9f5b24d93ee244690f8_MOD-1_PART-II

Attention-deficit hyperactivity disorder (ADHD)
Part II. Prevalence & Causes

Prevalence estimates vary depending on method used, geographic region, age targeted, and rater
Prevalence of ADHD estimated at 8.7% (Froehlich et al., 2007)
More common in boys than girls
Symptom presentation may reduce as individual becomes older
Prevalence

Impact of ADHD - Impairment

Domains of Impairment
Peer relationships
Adult relationships
Sibling relationships
Academic Progress
Self-esteem
Group functioning
Associated problems

Impairment Ratings – Academic Progress
Parent ratings
Teacher ratings
(Fabiano et al., 2006)

Impairment Ratings – School Functioning
Relationship with Teacher
Classroom Functioning
(Fabiano et al., 2006)

Causes
No known causes of ADHD