Substance Abuse and Hospitalization for Mood Disorder among Medicaid Beneficiaries

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

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)160-167
Number of pages8
JournalAmerican journal of public health
Issue number1
StatePublished - Jan 1 2009

All Science Journal Classification (ASJC) codes

  • Public Health, Environmental and Occupational Health

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