Intersecting epidemics - Crack cocaine use and HIV infection among inner-city young adults

Brian R. Edlin, Kathleen L. Irwin, Sairus Faruque, Clyde B. Mccoy, Carl Word, Yolanda Serrano, Clyde B McCoy, Benjamin P. Bowser, Robert F. Schilling, Scott D. Holmberg

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Abstract

Background and Methods. The smoking of "crack" cocaine is thought to be associated with high-risk sexual practices that accelerate the spread of infection with the human immunodeficiency virus (HIV). We studied 2323 young adults, 18 to 29 years of age, who smoked crack regularly or who had never smoked crack. The study participants, recruited from the streets of inner-city neighborhoods in New York, Miami, and San Francisco, were interviewed and tested for HIV. This report presents the findings for the 1967 participants (85 percent) who had never injected drugs. Results. Of the 1137 crack smokers, 15.7 percent were positive for HIV antibody, as compared with 5.2 percent of the 830 nonsmokers (prevalence ratio adjusted for the city, 2.4; 99 percent confidence interval, 1.7 to 3.6). The prevalence of HIV was highest among the crack-smoking women in New York (29.6 percent) and Miami (23.0 percent). In these two cities, of the 283 women who had sex in exchange for money or drugs, 30.4 percent were infected with HIV as compared with 9.1 percent of the 286 other women (prevalence ratio, 3.1; 99 percent confidence interval, 1.9 to 5.1); of the 91 men who had anal sex with other men, 42.9 percent were infected with HIV as compared with 9.3 percent of the 582 men who did not have anal sex with other men (prevalence ratio, 4.7; 99 percent confidence interval, 3.0 to 7.4). In multivariable analyses, these high-risk sexual practices accounted for the higher prevalence of HIV infection among the crack smokers, as compared with those who did not smoke crack. Women who had recently had unprotected sex in exchange for money or drugs were as likely to be infected as men who had had sex with men (40.9 percent vs. 42.9 percent). Conclusions. In poor, inner-city communities young smokers of crack cocaine, particularly women who have sex in exchange for money or drugs, are at high risk for HIV infection. Crack use promotes the heterosexual transmission of HIV.

Original languageEnglish
Pages (from-to)1422-1427
Number of pages6
JournalNew England Journal of Medicine
Volume331
Issue number21
StatePublished - Nov 24 1994

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Crack Cocaine
Virus Diseases
Young Adult
HIV
Confidence Intervals
Sexual Behavior
Pharmaceutical Preparations
Smoking
Unsafe Sex
San Francisco
Heterosexuality
Smoke

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Edlin, B. R., Irwin, K. L., Faruque, S., Mccoy, C. B., Word, C., Serrano, Y., ... Holmberg, S. D. (1994). Intersecting epidemics - Crack cocaine use and HIV infection among inner-city young adults. New England Journal of Medicine, 331(21), 1422-1427.

Intersecting epidemics - Crack cocaine use and HIV infection among inner-city young adults. / Edlin, Brian R.; Irwin, Kathleen L.; Faruque, Sairus; Mccoy, Clyde B.; Word, Carl; Serrano, Yolanda; McCoy, Clyde B; Bowser, Benjamin P.; Schilling, Robert F.; Holmberg, Scott D.

In: New England Journal of Medicine, Vol. 331, No. 21, 24.11.1994, p. 1422-1427.

Research output: Contribution to journalArticle

Edlin, BR, Irwin, KL, Faruque, S, Mccoy, CB, Word, C, Serrano, Y, McCoy, CB, Bowser, BP, Schilling, RF & Holmberg, SD 1994, 'Intersecting epidemics - Crack cocaine use and HIV infection among inner-city young adults', New England Journal of Medicine, vol. 331, no. 21, pp. 1422-1427.
Edlin BR, Irwin KL, Faruque S, Mccoy CB, Word C, Serrano Y et al. Intersecting epidemics - Crack cocaine use and HIV infection among inner-city young adults. New England Journal of Medicine. 1994 Nov 24;331(21):1422-1427.
Edlin, Brian R. ; Irwin, Kathleen L. ; Faruque, Sairus ; Mccoy, Clyde B. ; Word, Carl ; Serrano, Yolanda ; McCoy, Clyde B ; Bowser, Benjamin P. ; Schilling, Robert F. ; Holmberg, Scott D. / Intersecting epidemics - Crack cocaine use and HIV infection among inner-city young adults. In: New England Journal of Medicine. 1994 ; Vol. 331, No. 21. pp. 1422-1427.
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N2 - Background and Methods. The smoking of "crack" cocaine is thought to be associated with high-risk sexual practices that accelerate the spread of infection with the human immunodeficiency virus (HIV). We studied 2323 young adults, 18 to 29 years of age, who smoked crack regularly or who had never smoked crack. The study participants, recruited from the streets of inner-city neighborhoods in New York, Miami, and San Francisco, were interviewed and tested for HIV. This report presents the findings for the 1967 participants (85 percent) who had never injected drugs. Results. Of the 1137 crack smokers, 15.7 percent were positive for HIV antibody, as compared with 5.2 percent of the 830 nonsmokers (prevalence ratio adjusted for the city, 2.4; 99 percent confidence interval, 1.7 to 3.6). The prevalence of HIV was highest among the crack-smoking women in New York (29.6 percent) and Miami (23.0 percent). In these two cities, of the 283 women who had sex in exchange for money or drugs, 30.4 percent were infected with HIV as compared with 9.1 percent of the 286 other women (prevalence ratio, 3.1; 99 percent confidence interval, 1.9 to 5.1); of the 91 men who had anal sex with other men, 42.9 percent were infected with HIV as compared with 9.3 percent of the 582 men who did not have anal sex with other men (prevalence ratio, 4.7; 99 percent confidence interval, 3.0 to 7.4). In multivariable analyses, these high-risk sexual practices accounted for the higher prevalence of HIV infection among the crack smokers, as compared with those who did not smoke crack. Women who had recently had unprotected sex in exchange for money or drugs were as likely to be infected as men who had had sex with men (40.9 percent vs. 42.9 percent). Conclusions. In poor, inner-city communities young smokers of crack cocaine, particularly women who have sex in exchange for money or drugs, are at high risk for HIV infection. Crack use promotes the heterosexual transmission of HIV.

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