- The first type, defined as the young adult subtype, includes young adult drinkers who don’t have family histories of alcoholism or co-occurring mental illnesses.
- The second type, known as the young antisocial subtype, also includes young adult drinkers. These people do have a family history of alcoholism, and they also have co-occurring mental illnesses and addictions to other substances.
- The third type, the functional subtype, is middle-aged and successful with a stable job and a supportive family. These are people with a family history of alcoholism, and about a quarter of them have a history of depression.
- The fourth type, the intermediate familial subtype, includes middle-aged people with a family history of alcoholism and a prior depressive episode.
- The fifth type, the chronic severe subtype, includes middle-aged people with family histories of alcoholism, a history of mental illness, and addictions to other substances.
Source https://americanaddictioncenters.org/alcoholism-treatment