Jonathan D. Prince ^1*, Ayse Akincigil ¹, Donald R. Hoover ¹, James T. Walkup ¹, Scott Bilder ¹, Stephen Crystal ¹

¹ Rutgers University

^* To whom correspondence should be addressed. E-mail: jdprince{at}rci.rutgers.edu.

	Abstract

Objectives. We compared the influence of substance abuse with that of other comorbidities (e.g., anxiety, HIV) among people with mood disorder (N=129524) to explore risk factors for psychiatric hospitalization and early readmission within 3 months of discharge.

Methods. After linking Medicaid claims data in 5 states (California, Florida, New Jersey, New York, and Texas) to community-level information, we used logistic and Cox regression to examine hospitalization risk factors.

Results. Twenty-four percent of beneficiaries with mood disorder were hospitalized. Of these, 24% were rehospitalized after discharge. Those with comorbid substance abuse accounted for 36% of all baseline hospitalizations and half of all readmissions.

Conclusions. Results highlight the need for increased and sustained funding for the treatment of comorbid substance abuse and mood disorder, and for enhanced partnership between mental health and substance abuse professionals.

Key Words: Health Care Facilities/Services, Mental Health, Prevention, Alcohol, Drugs, Substance Abuse

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