Prevalence, incidence, and correlates of chlamydia and gonorrhea among young adult injection drug users

Mary Latka, Jennifer Ahern, Richard S. Garfein, Lawrence Ouellet, Peter Kerndt, Patricia Morse, Carol E. Farshy, Don Des Jarlais, David Vlahov

Research output: Contribution to journalArticle

Abstract

Purpose: To measure prevalence, incidence, and correlates of chlamydia and gonorrhea among injection drug users (IDUs). Methods: Participants (n=2129; 63% male, 52% white, ages 18-30 years) in five US cities were tested for chlamydia and gonorrhea by urine LCR assay and completed a standardized questionnaire about demographics and recent sexual behavior. Logistic regression identified correlates of prevalent infection; incidence rates were calculated from 6-month follow-up data. Results: Chlamydia prevalence was 5.2% and did not differ by gender. Gonorrhea prevalence was 0.2% among men and 2.0% among women, P<.001. Among men, younger age [OR (95% CI): 0.89 (0.83-0.96)], age at sexual debut [0.91 (0.83-0.99)], and African American race [2.92 (1.53-5.59)] were associated with chlamydia. Among women, age at sexual debut [1.16 (1.02-1.31)] and commercial sex [1.96 (1.03-3.74)] were associated with chlamydia, and with gonorrhea [1.27 (1.04-1.56)] and [5.17 (1.66-16.11)], respectively. At 6 months, the cumulative incidence of chlamydia was 1.7% among men and 4.4% among women, P=.03; no men and 1.3% of women tested positive for gonorrhea, P=.01. Implications: Prevalence and correlates of chlamydia and gonorrhea were similar to other samples, suggesting that screening criteria need not be modified for IDU populations. The number of behavioral correlates identified was limited; perhaps unmeasured sexual-network-level factors play a role in determining sexually transmitted disease (STD) prevalence.

Original languageEnglish (US)
Pages (from-to)73-88
Number of pages16
JournalJournal of Substance Abuse
Volume13
Issue number1-2
DOIs
StatePublished - Dec 1 2001

Fingerprint

Chlamydia
Gonorrhea
Drug Users
Young Adult
Injections
Incidence
Sexually Transmitted Diseases
Sexual Behavior
African Americans
Logistic Models
Demography
Urine
Infection
Population

Keywords

  • Chlamydia
  • Gonorrhea
  • Injection drug use
  • Prevalence
  • Sexually transmitted disease

ASJC Scopus subject areas

  • Neuroscience(all)
  • Public Health, Environmental and Occupational Health
  • Psychiatry and Mental health

Cite this

Latka, M., Ahern, J., Garfein, R. S., Ouellet, L., Kerndt, P., Morse, P., ... Vlahov, D. (2001). Prevalence, incidence, and correlates of chlamydia and gonorrhea among young adult injection drug users. Journal of Substance Abuse, 13(1-2), 73-88. https://doi.org/10.1016/S0899-3289(01)00071-2

Prevalence, incidence, and correlates of chlamydia and gonorrhea among young adult injection drug users. / Latka, Mary; Ahern, Jennifer; Garfein, Richard S.; Ouellet, Lawrence; Kerndt, Peter; Morse, Patricia; Farshy, Carol E.; Des Jarlais, Don; Vlahov, David.

In: Journal of Substance Abuse, Vol. 13, No. 1-2, 01.12.2001, p. 73-88.

Research output: Contribution to journalArticle

Latka, M, Ahern, J, Garfein, RS, Ouellet, L, Kerndt, P, Morse, P, Farshy, CE, Des Jarlais, D & Vlahov, D 2001, 'Prevalence, incidence, and correlates of chlamydia and gonorrhea among young adult injection drug users', Journal of Substance Abuse, vol. 13, no. 1-2, pp. 73-88. https://doi.org/10.1016/S0899-3289(01)00071-2
Latka, Mary ; Ahern, Jennifer ; Garfein, Richard S. ; Ouellet, Lawrence ; Kerndt, Peter ; Morse, Patricia ; Farshy, Carol E. ; Des Jarlais, Don ; Vlahov, David. / Prevalence, incidence, and correlates of chlamydia and gonorrhea among young adult injection drug users. In: Journal of Substance Abuse. 2001 ; Vol. 13, No. 1-2. pp. 73-88.
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abstract = "Purpose: To measure prevalence, incidence, and correlates of chlamydia and gonorrhea among injection drug users (IDUs). Methods: Participants (n=2129; 63{\%} male, 52{\%} white, ages 18-30 years) in five US cities were tested for chlamydia and gonorrhea by urine LCR assay and completed a standardized questionnaire about demographics and recent sexual behavior. Logistic regression identified correlates of prevalent infection; incidence rates were calculated from 6-month follow-up data. Results: Chlamydia prevalence was 5.2{\%} and did not differ by gender. Gonorrhea prevalence was 0.2{\%} among men and 2.0{\%} among women, P<.001. Among men, younger age [OR (95{\%} CI): 0.89 (0.83-0.96)], age at sexual debut [0.91 (0.83-0.99)], and African American race [2.92 (1.53-5.59)] were associated with chlamydia. Among women, age at sexual debut [1.16 (1.02-1.31)] and commercial sex [1.96 (1.03-3.74)] were associated with chlamydia, and with gonorrhea [1.27 (1.04-1.56)] and [5.17 (1.66-16.11)], respectively. At 6 months, the cumulative incidence of chlamydia was 1.7{\%} among men and 4.4{\%} among women, P=.03; no men and 1.3{\%} of women tested positive for gonorrhea, P=.01. Implications: Prevalence and correlates of chlamydia and gonorrhea were similar to other samples, suggesting that screening criteria need not be modified for IDU populations. The number of behavioral correlates identified was limited; perhaps unmeasured sexual-network-level factors play a role in determining sexually transmitted disease (STD) prevalence.",
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AU - Kerndt, Peter

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N2 - Purpose: To measure prevalence, incidence, and correlates of chlamydia and gonorrhea among injection drug users (IDUs). Methods: Participants (n=2129; 63% male, 52% white, ages 18-30 years) in five US cities were tested for chlamydia and gonorrhea by urine LCR assay and completed a standardized questionnaire about demographics and recent sexual behavior. Logistic regression identified correlates of prevalent infection; incidence rates were calculated from 6-month follow-up data. Results: Chlamydia prevalence was 5.2% and did not differ by gender. Gonorrhea prevalence was 0.2% among men and 2.0% among women, P<.001. Among men, younger age [OR (95% CI): 0.89 (0.83-0.96)], age at sexual debut [0.91 (0.83-0.99)], and African American race [2.92 (1.53-5.59)] were associated with chlamydia. Among women, age at sexual debut [1.16 (1.02-1.31)] and commercial sex [1.96 (1.03-3.74)] were associated with chlamydia, and with gonorrhea [1.27 (1.04-1.56)] and [5.17 (1.66-16.11)], respectively. At 6 months, the cumulative incidence of chlamydia was 1.7% among men and 4.4% among women, P=.03; no men and 1.3% of women tested positive for gonorrhea, P=.01. Implications: Prevalence and correlates of chlamydia and gonorrhea were similar to other samples, suggesting that screening criteria need not be modified for IDU populations. The number of behavioral correlates identified was limited; perhaps unmeasured sexual-network-level factors play a role in determining sexually transmitted disease (STD) prevalence.

AB - Purpose: To measure prevalence, incidence, and correlates of chlamydia and gonorrhea among injection drug users (IDUs). Methods: Participants (n=2129; 63% male, 52% white, ages 18-30 years) in five US cities were tested for chlamydia and gonorrhea by urine LCR assay and completed a standardized questionnaire about demographics and recent sexual behavior. Logistic regression identified correlates of prevalent infection; incidence rates were calculated from 6-month follow-up data. Results: Chlamydia prevalence was 5.2% and did not differ by gender. Gonorrhea prevalence was 0.2% among men and 2.0% among women, P<.001. Among men, younger age [OR (95% CI): 0.89 (0.83-0.96)], age at sexual debut [0.91 (0.83-0.99)], and African American race [2.92 (1.53-5.59)] were associated with chlamydia. Among women, age at sexual debut [1.16 (1.02-1.31)] and commercial sex [1.96 (1.03-3.74)] were associated with chlamydia, and with gonorrhea [1.27 (1.04-1.56)] and [5.17 (1.66-16.11)], respectively. At 6 months, the cumulative incidence of chlamydia was 1.7% among men and 4.4% among women, P=.03; no men and 1.3% of women tested positive for gonorrhea, P=.01. Implications: Prevalence and correlates of chlamydia and gonorrhea were similar to other samples, suggesting that screening criteria need not be modified for IDU populations. The number of behavioral correlates identified was limited; perhaps unmeasured sexual-network-level factors play a role in determining sexually transmitted disease (STD) prevalence.

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