Reduced risk of hepatitis B and hepatitis C among injection drug users in the Tacoma syringe exchange program

Holly Hagan, Don Des Jarlais, S. R. Friedman, D. Purchase, M. J. Alter

Research output: Contribution to journalArticle

Abstract

Objectives. This case-control study examined the association between syringe exchange use and hepatitis B and C in injection drug users. Methods. Case patients included 28 injection drug users with acute hepatitis B and 20 with acute hepatitis C reported to the health department in a sentinel hepatitis surveillance county; control subjects were injection drug users with no markers of exposure to hepatitis B or C (n = 38 and 26, respectively) attending health department services during the same period. Data were abstracted from clinic records. Results. Seventy-five percent of case patients with hepatitis B and 26% of control subjects had never used the exchange; similar proportions were found for the hepatitis C case and control groups. After adjustment for demographic characteristics and duration of injecting drugs, nonuse of the exchange was associated with a sixfold greater risk of hepatitis B (odds ratio [OR] = 5.5; 95% confidence interval [CI] = 1.5, 20.4) and a sevenfold greater risk of hepatitis C (OR = 7.3; 95% CI = 1.6, 32.8). Conclusions. The results suggest that use of the exchange led to a significant reduction in hepatitis B and hepatitis C in the county and may have also prevented a substantial proportion of human immunodeficiency virus infections in injection drug users.

Original languageEnglish (US)
Pages (from-to)1531-1537
Number of pages7
JournalAmerican Journal of Public Health
Volume85
Issue number11
StatePublished - 1995

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Needle-Exchange Programs
Hepatitis C
Drug Users
Hepatitis B
Injections
Odds Ratio
Sentinel Surveillance
Confidence Intervals
Syringes
Virus Diseases
Hepatitis
Health Services
Case-Control Studies
Demography
HIV
Control Groups
Health
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

Cite this

Reduced risk of hepatitis B and hepatitis C among injection drug users in the Tacoma syringe exchange program. / Hagan, Holly; Des Jarlais, Don; Friedman, S. R.; Purchase, D.; Alter, M. J.

In: American Journal of Public Health, Vol. 85, No. 11, 1995, p. 1531-1537.

Research output: Contribution to journalArticle

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AU - Alter, M. J.

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AB - Objectives. This case-control study examined the association between syringe exchange use and hepatitis B and C in injection drug users. Methods. Case patients included 28 injection drug users with acute hepatitis B and 20 with acute hepatitis C reported to the health department in a sentinel hepatitis surveillance county; control subjects were injection drug users with no markers of exposure to hepatitis B or C (n = 38 and 26, respectively) attending health department services during the same period. Data were abstracted from clinic records. Results. Seventy-five percent of case patients with hepatitis B and 26% of control subjects had never used the exchange; similar proportions were found for the hepatitis C case and control groups. After adjustment for demographic characteristics and duration of injecting drugs, nonuse of the exchange was associated with a sixfold greater risk of hepatitis B (odds ratio [OR] = 5.5; 95% confidence interval [CI] = 1.5, 20.4) and a sevenfold greater risk of hepatitis C (OR = 7.3; 95% CI = 1.6, 32.8). Conclusions. The results suggest that use of the exchange led to a significant reduction in hepatitis B and hepatitis C in the county and may have also prevented a substantial proportion of human immunodeficiency virus infections in injection drug users.

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