We know little about
predictors of injection drug cessation and relapse among female sex workers who
inject drugs (FSW-PWID) at the US-Mexico border.
Among HIV-negative FSW-PWID
taking part in a behavioral intervention study in Tijuana and Ciudad Juárez,
Cox regression was used to identify predictors of time to first cessation of
injection, which was defined as reporting not having injected drugs for a
period of 4 months or longer, and among that subset, we examined
predictors of time to injection relapse.
Among 440 women, 84 (19 %)
reported ceasing injection during follow-up (median time to
cessation = 9.3 months); of these, 30 (35 %) reported relapse to
injection (median time to relapse = 3.5 months). The rate of injection
cessation was lower for women reporting trading sex prior to age 18, ever
being sexually abused, and a higher
number of vaginal sex acts with casual clients. The rate of cessation was higher for women who spent
more hours on the streets on a typical day and who lived in Tijuana vs. Ciudad Juárez. The rate of relapse was higher among women reporting regular
drug use with clients and those
scoring higher on a risk injection index. The rate of relapse was lower for FSW-PWID with higher than
average incomes.
These findings have
important implications for the scale-up of methadone maintenance treatment
programs (MMTPs) in Mexico and indicate a need for gender-specific programs
that address sexual abuse experiences and economic vulnerabilities faced by
FSW-PWID.
Purchase full article at: http://goo.gl/EbvN4c
By: West BS1, Abramovitz D2, Staines H3, Vera A2, Patterson TL4, Strathdee SA2; for Proyecto Mujer Mas Segura.
- 1Division of Global Public Health, Department of Medicine, University of California San Diego, 9500 Gilman Drive 0507, La Jolla, CA, 92093-0507, USA. bswest@ucsd.edu.
- 2Division of Global Public Health, Department of Medicine, University of California San Diego, 9500 Gilman Drive 0507, La Jolla, CA, 92093-0507, USA.
- 3Department of Psychiatry, University of California San Diego, La Jolla, CA, USA.
- 4Departamento de Ciencias Médicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, Chihuahua, Mexico.
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