A person is classified as having a personality disorder if their abnormalities of behavior impair their social or occupational functioning.

Some evidence suggests that paranoid schizophrenia may have a better prospect than other types of schizophrenia for independent living and occupational functioning.

Mild: Two hour delay associated with little or mild impairment of social or occupational functioning.

In 2008 a study was conducted to determine if there is a significant link between hoarding and interference in occupational and social functioning.

A spiritual crisis may cause significant disruption in psychological, social and occupational functioning.

In severe cases,they can significantly interfere with a person's normal routine,occupational functioning,usual social activities or relationships with others.

There must also be clear evidence of clinically significant impairment in social, academic, or occupational functioning.

A Spiritual Emergency may cause significant disruption in psychological, social and occupational functioning.

Symptoms may cause extreme distress and interfere with a person's occupational and social functioning.

Dementia is significant loss of intellectual abilities such as memory capacity, severe enough to interfere with social or occupational functioning.