Comorbid Mood Disorders^* and Substance Abuse

	Any substance abuse or dependence (%)	Alcohol dependence (%)	Alcohol abuse (%)
Any Mood Disorder	32.0	4.9	6.9
Any Bipolar Disorder	56.1	27.6	16.1
Bipolar I	60.7	31.5	14.7
Bipolar II	48.1	20.8	18.4
Unipolar Depression	27.2	11.6	5.0

NOTES:

^*Mood disorders include depression and bipolar disorder.

Bipolar disorder, or manic depression, is characterized by extreme mood swings.

Bipolar I disorder is the most severe bipolar disorder.

Bipolar II disorder is less severe.

Unipolar depression is depression without manic episodes.

SOURCE: Data reported in the table are based on findings of the Epidemiologic Catchment Area study (Regier et al. 1990).