期刊
ADDICTIVE BEHAVIORS
卷 36, 期 1-2, 页码 61-67出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.addbeh.2010.08.022
关键词
Injection drug use; HIV infection; Smoking; Nicotine dependence; Tobacco
资金
- NIH [R01HL090483, R01DA04334, R01DAl2568]
- National Cancer Institute
- NATIONAL CANCER INSTITUTE [ZIACP010150] Funding Source: NIH RePORTER
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [R01HL090483] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON DRUG ABUSE [R56DA004334, R01DA004334, R01DA012568] Funding Source: NIH RePORTER
Introduction Urban U S populations are burdened by intersecting epidemics of HIV infection injection drug use and cigarette smoking Given the substantial morbidity attributable to tobacco in these populations we characterized smoking behaviors nicotine addiction and tobacco exposure among HIV-infected and HIV uninfected injection drug users (IDUs) in Baltimore Maryland Methods Smoking behaviors among participants in the ALIVE Study were assessed using interviewer administered questionnaires Smoking history and nicotine dependence (Fagerstrom Index scores) were compared by HIV and drug injecting status Serum cotinine (a nicotine metabolite) was measured for a sample of participants by enzyme immunoassay Results Among 1052 participants (29 7% HIV-infected 39 8% active injectors) 85 2% were current smokers and 9 3% were former smokers Smoking prevalence age at smoking initiation and cumulative tobacco exposure were similar by HIV status Median Fagerstrom scores of 4 for HIV infected and HIV uninfected smokers indicated moderate nicotine dependence Daily cigarette consumption was identical by HIV status (median 10 cigarettes) although HIV infected participants were less likely to smoke 1+ pack daily compared to HIV-uninfected participants (18 0% vs 26 9% p = 0 001) Compared to former injectors active injectors had higher smoking prevalence (90 5% vs 81 7% p = 0 0001) greater daily cigarette consumption (30 7% vs 19 6% smoked 1+ pack daily p = 0 0001) and slightly higher Fagerstrom scores (median 5 vs 4) Cotinine levels paralleled self reported cigarette consumption Discussion Tobacco use is extremely common among inner-city IDUs Smoking behavior and nicotine dependence did not materially differ by HIV status but were associated with active drug injection Cessation efforts should target the dual dependence of cigarettes and drugs experienced among this population (C) 2010 Elsevier Ltd All rights reserved
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