AEGiS-11IAC: Seroprevalence of HIV infection in men with homosexual and bisexual practices in the city of Tijuana, B.C.

11th International AIDS Conference


Vancouver, British Columbia — July 7-12, 1996

Print this Article


Seroprevalence of HIV infection in men with homosexual and bisexual practices in the city of Tijuana, B.C.

Int Conf AIDS 1996 Jul 7-12; 11:457 (abstract no. Pub.C.1122)
Rangel G, Izazola-Licea JA, Del Rio C; El Colegio de la Frontera Norte, Chula Vista, CA, USA.

OBJECTIVE: To determine prevalence of HIV infection and risk practices in the homosexual population in the City of Tijuana, B.C.

METHODS: A bi-dimensional multi-step sampling framework for "mobile populations" was built. Each step had selection units of place, time (day and hour) that have a given probability of being selected. Weighing factors of the sampling units come from the probability to select: A) persons (gay and bisexual men), B) geographic units (bars) and C) time (day and hour). The main assumption is that gay and bisexual men are "mobile units", moving in place and time according to the moment they visit gay gathering places (bars). This methodology has been previously used to determine 1) an estimate of the number tourists in a resort area in Baja California, Mexico, and 2) to estimate the number of migrants of Mexicans to the United States. 221 questionnaires were administered to determine risk behaviors and blood was drawn to determine HIV prevalence.

RESULTS: Condom use in the last year was 28%, HIV prevalence for those who didn't wear condom was 14.3%. Condom use last month was 6.7% if used sometime, 26.0% never used. Sexual practices used more frequently in the last sexual relation was mixed anal penetration in 42%, followed by the insertive in 16.0% and receptive in 15.5%. HIV prevalence for mixed penetration was 19.5%.HIV test was performed to 200 people; from this population 14% resulted positive to the test.

CONCLUSIONS: In spite of the prevalence increasing in the condom use (43% in the last sexual relation with men); the HIV prevalence has been increased in 40% on prevalence found in previous research done in 1986-1993.

Keywords: AEGIS, Bisexuality, Homosexuality, HIV Infections, Homosexuality, Male, Risk-Taking, Seroepidemiologic Studies, HIV Seroprevalence, Condoms, Cities, Prevalence, Learning, Questionnaires, Memory, Mexico, United States, California, Human, Male, ICA11KWDaegis,bisexuality,homosexuality,hivinfections,homosexuality,male,risk-taking,seroepidemiologicstudies,hivseroprevalence,condoms,cities,prevalence,learning,questionnaires,memory,mexico,unitedstates,california,human,male,ica11

960707
PubC1122

Copyright © 1996 - International AIDS Society (IAS). Reproduction of this abstract (other than one copy for personal reference) must be cleared through the IAS.