Table 2.

Attention deficit hyperactivity disorder–related concepts in PubMed and forums for specific unified medical language system semantic types.

Unified medical language system semantic type	PubMed	Forum
Mental or behavioral dysfunction	Inattention Impulsive behavior Hyperactive behavior Attention deficit disorder Substance abuse problem Conduct disorder	Executive dysfunction Psychiatric problem Anxiety Hyperactive behavior Inattention Mental depression
Age group	Adolescent Adult Young adult	Adult Adolescent Child
Daily or recreational activity	Sports Youth sports Recreational activity	Reading activity Speaking activity Exercise
Educational activity	Psychoeducation Training programs Socialization	Homework Home schooling Training programs
Social behavior	Parenting behavior Social skills Parent-child relationship	Lifestyle Conversation Social behavior