It is understood that leading psychoanalyst Sigmund Freud observed and treated patients with obsessive-compulsive disorder in the early 1900s.
In terms of social interaction, people with OCPD tend to have very serious and formal relationships.
People with OCPD strongly believe that their way of thinking and doing things is the right way, and that everyone else is wrong.
The excessive need to be meticulous and do everything to perfection often means people with OCPD are constantly on edge - worried that something may go wrong.
Alternatively, he or she with the condition may have been raised in a strict authoritarian environment, such as a religious group, where rigid adherence to rules and regulations was commonplace.
In the majority of cases, obsessive-compulsive personality disorder is unlikely to be the reason why people with the condition seek help.
Sufferers are highly conscientious and ambitious, yet in the quest for perfection can be unproductive and inefficient.