Regular outpatient medical and drug abuse care and subsequent hospitalization of persons who use illicit drugs

C. Laine, W. W. Hauck, M. N. Gourevitch, J. Rothman, A. Cohen, B. J. Turner

Research output: Contribution to journalArticle

118 Scopus citations

Abstract

Context: Patients and the public could benefit from identification of factors that prevent drug users' heavy reliance on inpatient care; however, optimal health care delivery models for illicit drug users remain ill-defined. Objective: To evaluate associations of outpatient medical and drug abuse care with drug users' subsequent hospitalization rates. Design and Setting: Retrospective cohort study of data from longitudinally linked claims for all ambulatory physician/clinic services and drug abuse services covered by the New York State Medicaid program. Subjects: A total of 11556 human immunodeficiency virus (HIV)-positive and 46687 HIV-negative drug users. Main Outcome Measures: Hospitalization in federal fiscal year (FFY) 1997 compared by 4 patterns of care in FFY 1996: regular drug abuse care (≥6 months in 1 program), regular medical care (>35% of care from 1 clinic, group practice, or individual physician), both, or neither. Results: Hospitalization occurred in 55.6% of HIV-positive and 37.5% of HIV-negative drug users, with a mean of 27.5 and 24.5 inpatient days, respectively. In HIV-positive drug users, the adjusted odds ratio (AOR) for hospitalization was lowest among those with both regular medical and drug abuse care (AOR, 0.76; 95% confidence interval [CI], 0.67-0.85) followed by those with regular medical care alone (AOR, 0.82; 95% CI, 0.74-0.91) and regular drug abuse care alone (AOR, 0.85; 95% CI, 0.76-0.96) vs those with neither. In HIV-negative drug users, the AOR of hospitalization was lower for those with regular medical and drug abuse care (AOR, 0.73; 95% CI, 0.68-0.79), regular drug abuse care alone (AOR, 0.71; 95% CI, 0.66-0.76), and regular medical care (AOR, 0.91; 95% CI, 0.86-0.95) vs those with neither. Both types of care showed favorable effects for all but drug abuse-related hospitalizations. Conclusion: Our data indicate that regular drug abuse care with regular medical care for drug users is associated with less subsequent hospitalization.

Original languageEnglish (US)
Pages (from-to)2355-2362
Number of pages8
JournalJournal of the American Medical Association
Volume285
Issue number18
DOIs
StatePublished - May 9 2001

ASJC Scopus subject areas

  • Medicine(all)

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