Longitudinal patterns of methamphetamine, popper (amyl nitrite), and cocaine use and high-risk sexual behavior among a cohort of san francisco men who have sex with men

Correlates of intensive alcohol and drug use in men who have sex with men in Catalonia, Spain

BACKGROUND

The objectives of the study were to determine the prevalence of alcohol and drug use before or during sex among men who have sex with men (MSM) in Catalonia during 2006, and to identify factors associated with variables of intensive alcohol and drug use.

METHODS

Cross-sectional study using self-administered questionnaires. Men were recruited in saunas, sex shops, bars and a public park and by mail to all the members of the Catalonia Gay Federation.

RESULTS

19.6% of men said they were frequent users of alcohol, some type of drug (21.7%), or that they were multidrug users (18%) in the last 12 months. The multivariate analysis showed an association between having suffered discrimination and frequent alcohol and multidrug use. Being human immunodeficiency virus (HIV)-positive was associated with frequent use of drugs and multidrug use. Associations between substance use and sexual risk behaviour also emerged.

CONCLUSION

The high percentage of MSM who use alcohol and drugs before and during sex and association between these substances and sexual risk behaviours reveals the need to intensify interventions to reduce their levels of use and/or to reduce the associated damage and risks. These programs must try to cover MSM-specific psychosocial aspects and include prevention for HIV-positive men.

Factors associated with event-level stimulant use during sex in a sample of older, low-income men who have sex with men in Los Angeles

Prior research shows that stimulant use is consistently associated with high-risk sexual behavior in samples of men who have sex with men (MSM), but few studies have explored factors associated with use of crack or methamphetamine during sex during specific sexual events among older, very low-income MSM. This study examined stimulant use during the most recent sexual episodes in a sample of primarily older, very low-income MSM (n=779). Although crack use was more prevalent than methamphetamine use (33% vs. 22%), findings suggest that methamphetamine users may be at greater risk for HIV transmission. HIV prevalence was higher among methamphetamine users (49%) than among crack users (24%). Having unprotected sex (OR 2.77, 95% CI 1.46-5.26), having sex in a public sex venue (OR 3.63, 95% CI 1.52-8.64), having sex with an HIV positive rather than with an HIV negative partner (OR 6.15, 95% CI 2.14-17.62), having exchanged sex for money or drugs (OR 4.16, 95% CI 1.78-9.72), and having a higher number of sexual partners (OR 1.67, 95% CI 1.17-2.38) all were associated with increased odds of methamphetamine use during sex. Fewer high-risk behaviors were associated with increased odds of using crack during sex. Having unprotected sex was associated with increased odds of crack use during sex only when sex partners were perceived to be HIV negative rather than to be HIV positive or of unknown status. Findings provide observations on associations between stimulant use during sex and risk behaviors that may be important to HIV prevention and drug treatment approaches for urban, older, very poor MSM.

Club drug use and dependence among young adults recruited through time-space sampling

OBJECTIVES

Ketamine, methylenedioxymethamphetamine (MDMA/ecstasy), cocaine, gamma-hydroxybutyrate (GHB), methamphetamine, and d-lysergic acid diethylamide (LSD/acid) have been identified as "club drugs" because of their link to club culture among young adults. Yet little is known about users' demographic differences in the prevalence of club drugs. This study sought to provide a comprehensive profile of users' demographic differences in prevalence of club drug use and dependence.

METHODS

Using time-space sampling, a stratified sample of 400 18- to 29-year-old club-going young adults was recruited into the Club Drugs and Health Project.

RESULTS

Though participants reported using an array of club drugs, almost all participants (90.0%) were cocaine users. Although there were several sexual orientation and gender differences in recent drug exposure, patterns of use (measured in days) were fairly similar across gender, sexual orientation, and age. Finally, a majority of individuals (58.5%) met or exceeded criteria for club drug dependence, with most (61.7%) indicating cocaine was the one drug causing them significant problems.

CONCLUSIONS

Cocaine is a major drug in club culture. It is essential to develop culturally appropriate drug education and prevention initiatives for young adults using club drugs.

Informing interventions: the importance of contextual factors in the prediction of sexual risk behaviors among transgender women

This study identifies contextual factors that predict risky sexual behavior among 153 transgender women who participated in a structured survey soliciting information on demographics, substance use, HIV status, risk behaviors, and other health and psychosocial factors. Multivariate logistic regression models were used to determine predictors. Inconsistent condom use was associated with stimulant use, unstable housing, and recruitment site. Substance use during sex was associated with unstable housing and stimulant use. Sex work was associated with hormone use, gender confirming surgeries, and younger age. When developing interventions for transgender women, it may be useful to focus on predictors of risk behavior rather than predictors of current HIV status (i.e., race/ethnicity as "risk factor"), because these behaviors are the target of interventions aimed at sexual risk reduction. Implications include potential benefits of context-specific interventions, structural interventions addressing barriers to housing and health care, and culturally specific substance abuse treatment programs for transgender women.

Associations between substance use, erectile dysfunction medication and recent HIV infection among men who have sex with men

We conducted a case-control study to compare illicit substance and erectile dysfunction medication (EDM) use between recently HIV-infected and uninfected men who have sex with men (MSM). Eighty-six recently (previous 12 months) HIV-infected MSM (cases) and 59 MSM who recently tested HIV-negative (controls) completed computer-assisted self-interviews. There were no statistical differences in demographics or number of sexual partners by HIV status. Cases were more likely than controls to report methamphetamine or nitrite use, but not EDM, gamma hydroxybutyrate, 3,4 methylenedioxymethamphetamine, cocaine, or marijuana use, in the previous 12 months and with their last three sexual partners in multivariate logistic regression models. Use of nitrites and amphetamine may increase HIV risk among MSM.

Safe sex fatigue, treatment optimism, and serosorting: new challenges to HIV prevention among men who have sex with men

As the HIV epidemic enters its third decade in the United States, there have been few changes in the demographics of the populations most affected by HIV. Twenty years of HIV has resulted in changing attitudes toward prevention and infection in the population of men who have sex with men (MSM). This article presents a review of the recent research regarding HIV risks and attitudes among MSM and reports on several trends that have repeatedly emerged from the literature. Concepts such as safe sex, treatment optimism, and serosorting have recently become common among MSM communities and present a challenge to all who work in HIV prevention. Suggestions are made regarding implications for nursing and areas for future research.

Situational predictors of sexual risk episodes among men with HIV who have sex with men

BACKGROUND

Men with HIV who have sex with men (MSM) represent the largest group of people living with HIV/AIDS in the United States. It is important to understand the sexual risk-taking behaviours that may be linked to the transmission of HIV and other sexually transmitted infections in this population. Models of HIV risk that focus solely on personal factors have been demonstrated to be ineffective at explaining risk behaviour. Rather, in order to fully understand sexual risk-taking, it is important to examine the factors linked to high-risk sexual situations and not solely the factors linked to potentially high-risk people.

METHODS

A diverse sample of 100 MSM with HIV completed a 6-week internet-based sex diary that collected detailed information on recent sexual encounters. In total, information on over 250 sexual episodes was collected and analysed. Generalised linear mixed models were used to examine situational predictors of risk episodes.

RESULTS

Analyses revealed that drug use by self and sex partners (examined individually and together) were positively related to risk episodes. Likewise, having a sex partner met online and having a sexual encounter in a sex party or bathhouse setting was linked to risk episodes. Sexual episodes that involved a sex-partner who was perceived as sexually desirable and those involving communication about HIV and/or condom use with partners each were negatively related to risk.

CONCLUSIONS

Situational factors play an important role in explaining sexual risk-taking among MSM with HIV. Researchers should place a greater focus on drug use and characteristics of sex partners and settings in which sexual behaviours occur as situational predictors of risk in order to comprehensively understand sexual risk-taking in this population.

Predictors of methamphetamine injection in out-of-treatment IDUs

From 2004-2006, 439 injection drug users were recruited in Denver, Colorado, to participate in a study of drug use and HCV risk. Over two-thirds were male, more than half were white, and 28% were methamphetamine injectors. The Risk Behavior Assessment, which assesses demographics, drug use, and HIV risk behaviors, was used. Variables were assessed for association with methamphetamine (MA) injection. A logistic regression model was built using forward stepwise method to determine independent associations between variables of interest and MA injection. The study's limitations are noted, and implications are described.

Asymptomatic sexually transmitted infections in HIV-infected men who have sex with men: prevalence, incidence, predictors, and screening strategies

Sexually transmitted infections (STIs) have increased among men who have sex with men (MSM) and are associated with unsafe sex practices, intrinsic morbidity, and enhanced genital shedding and transmission of HIV. Screening for asymptomatic STIs is recommended as part of the HIV prevention efforts, however, optimal screening strategies among HIV-infected MSM have not been well defined. In this study, conducted from April 2004 to September 2006, 212 HIV-infected MSM from two urban HIV clinics were screened for asymptomatic STIs. Testing for Neisseria gonorrhea and Chlamydia trachomatis from pharynx, rectum, and urine, as well as serologic testing for syphilis were performed initially, and then after 6 and 12 months. A self-administered questionnaire was used to assess possible predictors of incident asymptomatic STIs. A cost analysis was performed to assess different screening strategies for detecting incident STIs. The baseline prevalence of STIs was 14% (n = 29; 95% confidence interval [CI] 9%-19%) and the incidence of new infections was 20.8 cases per 100 person years (95% CI 14.8-28.4 cases per 100 person years). Younger age, higher CD4 cell count, and marijuana use were associated with increased risk of acquiring an asymptomatic STI. The laboratory cost to detect one positive STI did not significantly differ between once- and twice-yearly screening. However, almost half of all incident STIs were detected at the 6-month screening visit, potentially resulting in an increased duration of infectivity if these cases remained undiagnosed. In conclusion, prevalent and incident asymptomatic STIs are common among HIV-infected MSM. Our data support current Center for Disease Control and Prevention STI guidelines that recommend routine screening at increased frequency for HIV-infected MSM.

Factors associated with sexual risk behavior among persons living with HIV: gender and sexual identity group differences

Factors associated with HIV transmission risk may differ between subgroups of persons living with HIV/AIDS (PLWHA). This study examined such factors in a sample of PLWHA recruited in 3 US metropolitan areas. Sexually active participants were categorized as gay or bisexual men (GBM) (n = 545), heterosexual men (HSM, n = 223), or women (n = 214). Of 982 participants, 27.1% reported serodiscordant unprotected anal or vaginal sex (SDUAV). SDUAV was associated with multiple (2 or more) partners, using poppers, and lower safer sex self-efficacy among GBM. SDUAV was associated with multiple partners among HSM. Among women, factors examined were not associated with SDUAV. These findings are consistent with prior research and facilitate our ability to target those who may be most at risk for transmitting HIV among HIV-positive GBM. More research must be conducted to identify factors associated with risk behavior among HSM and women.

Polysubstance use and HIV/STD risk behavior among Massachusetts men who have sex with men accessing Department of Public Health mobile van services: implications for intervention development

Polysubstance use has been posited to be a significant contributor to excess burden of HIV disease among men who have sex with men (MSM). The current study investigated polysubstance use and sexual risk among men who utilize Massachusetts Department of Public Health (MDPH) van services (such as HIV, chlamydia, gonorrhea, or syphilis testing; Hepatitis A and B vaccinations) at venues targeting MSM. Participants (n = 214) completed a one-time, cross-sectional survey via an audio computer-assisted self-interview (ACASI) in English or Spanish between June 2007 and September 2007. Fifteen percent of the overall sample did not know their HIV status; 11% reported polysubstance use (concurrent use of three or more: poppers, ecstasy, GHB, cocaine, crystal methamphetamine, Viagra) during sex in the 12 months prior to study enrollment. Polysubstance users were more likely to be HIV infected (odds ratio [OR] = 4.62; p = 0.03) and to have a history of one or more sexually transmitted diseases (STDs; OR = 4.74; p = 0.03) relative to participants who did not report polysubstance use during sex. After controlling for covariates of age, race/ethnicity, education level, insurance status, sexual orientation, STD history, HIV status, and depression, multivariable logistic regression analyses revealed that polysubstance users were 9 times more likely to have reported unprotected anal (insertive or receptive) sex in the 12 months prior to study enrollment (adjusted OR = 9.53; p = 0.007) compared to nonpolysubstance-using MSM. Polysubstance users lacked access to care (21% were uninsured) and the overwhelming majority (96%) were first time users of mobile health van services. Accessible outreach services for MSM such as mobile van services need to include drug screening and interventions that triage men into treatment programs; year-round availability of van services is warranted.

Demographic characteristics and sexual behaviors associated with methamphetamine use among MSM and non-MSM diagnosed with AIDS in Los Angeles County

Demographic and behavioral factors associated with methamphetamine use are presented for 455 men who have sex with men (MSM) and 228 non-MSM diagnosed with AIDS in Los Angeles County (LAC) from 2000 to 2004, as there are limited population-based data for these subgroups. Lifetime methamphetamine use was 35% for MSM, 14% for non-MSM, 50% for white MSM, and 35% for black MSM. Methamphetamine use in the previous 12 months among MSM (11%) and non-MSM (0.4%) was less than lifetime use. Compared to MSM with no history of methamphetamine use in a multivariate analysis, MSM methamphetamine users were more likely to be non-Latino (white or black) (OR = 2.8, 95% CI: 1.6, 4.9) compared to Latino and reported > or = 10 sexual partners in the previous 12 months (OR = 3.1, 95% CI: 1.7, 5.6). These data indicate that methamphetamine has been widely used by both MSM and non-MSM with AIDS in LAC and that lifetime use is associated with sexual risk behaviors among MSM.

Sexual and gender minority health: what we know and what needs to be done

We describe the emergence of lesbian, gay, bisexual, and transgender (LGBT) health as a key area of study and practice for clinicians and public health professionals. We discuss the specific needs of LGBT populations on the basis of the most recent epidemiological and clinical investigations, methods for defining and measuring LGBT populations, and the barriers they face in obtaining appropriate care and services. We then discuss how clinicians and public health professionals can improve research methods, clinical outcomes, and service delivery for lesbian, gay, bisexual, and transgender people.

Moving upstream: ecosocial and psychosocial correlates of sexually transmitted infections among young adults in the United States

OBJECTIVES

We determined the associations of ecosocial factors and psychosocial factors with having a prevalent sexually transmitted infection (STI), recent STI diagnoses, and sexual risk behaviors.

METHODS

Young adults aged 18 to 27 years in the National Longitudinal Study of Adolescent Health (n=14322) provided ecosocial, psychosocial, behavioral, and STI-history data. Urine was tested for Chlamydia trachomatis and Neisseria gonorrhoeae by ligase chain reaction and for Trichomonas vaginalis, human papillomavirus, and Mycoplasma genitalium by polymerase chain reaction.

RESULTS

Prevalent STI was associated with housing insecurity (adjusted odds ratio [AOR] = 1.3; 95% confidence interval [CI] = 1.00, 1.72), exposure to crime (AOR=1.4; 95% CI=1.02, 1.80), and having been arrested (AOR=1.4; 95% CI=1.07, 1.84). STI prevalence increased linearly from 4.9% for 0 factors to 14.6% for 4 or more (P < .001, for trend). Nearly all contextual conditions predicted more lifetime partners and earlier sexual debut. Recent STI diagnosis was associated with childhood sexual abuse, gang participation, frequent alcohol use, and depression, adjusted for sexual risk behaviors.

CONCLUSIONS

Often present before sexual debut, contextual conditions enhance STI risk by increasing sexual risk behaviors and likelihood of exposure to infection. These findings suggest that upstream conditions such as housing and safety contribute to the burden of STIs and are appropriate targets for future intervention.

Trends in methamphetamine use in young injection drug users in San Francisco from 1998 to 2004: the UFO Study

AIMS

To describe temporal trends in methamphetamine use among young injection drug users (IDU) in San Francisco.

DESIGN AND METHODS

Secondary analysis of cross-sectional baseline data collected for a longitudinal study of young IDU from 1998 to 2004. Participants were 1445 young IDU (<30 years old) who reported injection in the previous month, English-speaking, and recruited by street outreach methods. We examined trends for: lifetime (ever) and recent (30-day) methamphetamine use, including injected and non-injected, and by age group and sexual risk behaviour [men who have sex with men injecting drug users (MSM-IDU), male IDU (non-MSM) and female IDU].

RESULTS

In 1998, 1999, 2000, 2001, 2003 and 2004 we interviewed 237, 276, 431, 310, 147 and 44 participants, respectively. Overall, median age was 22 years [interquartile range (IQR) 20-25], 30.3% were women and median duration of injecting was 4.4 years (IQR 2-7). Prevalence of methamphetamine use was high, with 50.1% reporting recent injection, but overall there were no temporal increases in reported 'ever' injected use. Recent methamphetamine injection (past 30 days) increased significantly, and peaked at 60% in 2003. MSM-IDU had higher methamphetamine injection ever (92.3%) and recently (59.5%) compared to heterosexual male (non-MSM) IDU (81.6% and 47.3%, respectively) and to female IDU (78.4% and 46.1%, respectively).

CONCLUSIONS

Despite reports of ubiquitous increases in methamphetamine use, there were no significant increases in 6 years in ever injecting methamphetamine overall among young IDU. MSM-IDU who reported the highest methamphetamine use overall reported some increases in recent injected use. The methamphetamine 'epidemic' was probably under way among young IDU earlier than other populations.

Methamphetamine dependence and human immunodeficiency virus risk behavior

We examined human immunodeficiency virus (HIV)-related risk behaviors among methamphetamine (MA)-dependent users. Secondary data analysis was performed on data from a large clinical trial: The Methamphetamine Treatment Project (N = 784). All MA-dependent participants were enrolled in an outpatient treatment program, receiving either a standardized psychosocial protocol (Matrix model) or treatment-as-usual. HIV-related risk behavior, including injection and unsafe sexual practices, was assessed using the AIDS Risk Assessment at baseline, treatment discharge, and 6, 12, and 36 months following treatment participation. Results indicated that HIV risk behaviors substantially decreased over time. Treatment factors (retention and completion) and frequency of MA use were both positively associated with increased reduction of HIV risk behaviors. The findings suggested that treatment of MA dependence is promising for reducing behaviors that have been shown to transmit HIV.

Tripling of methamphetamine/amphetamine use among homeless and marginally housed persons, 1996-2003

Methamphetamine/amphetamine (MA)-related morbidity and mortality has been increasing in the United States. MA use is associated with high-risk sexual behavior and syringe-sharing practices. Homeless and marginalized housed persons (H/M) have high rates of substance use and mental health disorders. Little is known about trends of MA use among the H/M. The objective of this study was to quantify increases in MA use among H/M in San Francisco and to determine which demographic and behavioral subgroups have experienced the greatest increases in MA use. We conducted serial cross-sectional population-based studies in three waves: 1996-1997, 1999-2000, and 2003 and studied 2,348 H/M recruited at shelters and lunch lines. The main outcome was self-reported current (30-day) MA use. We found a tripling of current MA use among H/M persons from 1996 to 2003, with a sevenfold increase in smoked MA use. MA use doubled to tripled in most demographic and behavioral subgroups, whereas it quadrupled in those under age 35, and there was a fivefold increase among HIV-infected persons. The increase in MA use among H/M places a vulnerable population at additional increased risk for HIV infection and MA-use related morbidity and mortality. Among HIV-infected H/M, the increase in MA use has important public health implications for the development and secondary transmission of drug-resistant HIV caused by synergistic neurocognitive decline, poor adherence to HIV medications, and increased sexual risk behavior. Clinicians caring for H/M persons should inquire about MA use, refer interested MA users to MA dependence treatment programs and provide targeted HIV sexual risk reduction counseling. For HIV-infected H/M MA users, clinicians should closely monitor adherence to HIV or other chronic medications, to avoid unnecessary morbidity and mortality. Further research is needed to elucidate the most effective prevention and treatment for MA use and dependence among the H/M.

In the shadows of a prevention campaign: sexual risk behavior in the absence of crystal methamphetamine

Because of its ability to reduce inhibitions and increase sexual drive, an emerging body of research has repeatedly identified crystal methamphetamine as a key variable in explaining new HIV transmissions among men who have sex with men (MSM). The implications of which have included the development of HIV prevention policies and public health campaigns centered on curbing methamphetamine use in urban gay centers throughout the United States. Data collected from a diverse sample of gay and bisexual men attending large-scale gay, lesbian, and bisexual community events in New York City (n=738) indicated that 10.2% of men used methamphetamine recently (i.e., <90 days) and that 29.9% of the sample had experienced a recent episode of unprotected anal intercourse. The majority, 81.1%, of those men reporting unsafe sex had not used methamphetamine recently. This analysis identified a bivariate relationship between methamphetamine use and sexual risk, but also highlights other variables that were significantly related to risky sexual behavior. Logistic regression analyses indicated that recent GHB use, temptation for unsafe sex, being younger in age, and identification as a barebacker were better indicators of risky sexual behavior than methamphetamine use. Policies focused on methamphetamine prevention may help to curb risky sexual behavior among select groups of individuals; however, these will not adequately address the sexual health of the many gay and bisexual men who, in the shadows of anti-methamphetamine policies and prevention programs, continue to engage in unsafe sex but are nonusers of methamphetamine.

Correlates of Substance Use in Relation to Sexual Behavior in Black Gay and Bisexual Men: Implications for HIV Prevention

Since the onset of the AIDS epidemic, Black gay and bisexual men have been at a substantial risk for acquiring HIV. Substance use has been identified as a significant risk factor for engaging in HIV sexual risk behavior. The purpose of this formative research investigation was to examine substance use in relation to sexual behavior through differentiating users versus nonusers of alcohol and recreational drugs before or during sex in a community-based sample of 481 Black gay and bisexual men in the New York metropolitan area. Binary logistic regression results demonstrated that alcohol use before or during sex was predictive of having a primary sex partner, casual sex partner, higher income, previous sexually transmitted infection testing, and a higher number of male sex partners. Recreational drug use before or during sex was predictive of having an HIV positive status, casual sex partner, unprotected anal intercourse with a male sex partner, and being younger. These findings present significant formative implications for the influence of substance use in relation to HIV sexual risk behavior in Black gay and bisexual men.

Indicators of use of methamphetamine and other substances among men who have sex with men, San Francisco, 2003-2006

BACKGROUND

Substance use has been associated with high-risk sexual behavior among men who have sex with men (MSM) both in the U.S. and around the world. Recent efforts by local organizations in San Francisco have specifically targeted methamphetamine use in this population.

METHODS

We tracked methamphetamine and other substance use among men who have sex with men (MSM) in San Francisco from 2003 to 2006 using an indicator available in community outreach surveys of a prevention education program targeting MSM (n=4602).

RESULTS

Overall, use of diverse substances tended to decrease from 2003 to 2006, many significantly so. Reported use of methamphetamine significantly decreased among HIV-negative MSM. However, methamphetamine and alcohol use during sex was associated with unprotected potentially HIV serodiscordant sex.

CONCLUSION

Intensified prevention efforts to reduce methamphetamine use in San Francisco may be having some impact; however, strong associations of substance use and high-risk sex persist.

Predicting HIV transmission risk among HIV-infected patients seen in clinical settings

We assessed risk of transmission among 4,016 HIV-infected patients in primary care, including men who have sex with men (MSM, n = 2,109), women (n = 1,104) and men who had sex with women (MSW, n = 803) in clinics in 15 cities across the U.S. A transmission risk act, assessed by computer assisted interviews, was defined as unprotected vaginal or anal sex with a partner who was HIV-uninfected or of unknown HIV status. MSM were more than twice as likely to report transmission risk acts than MSW (Odds Ratio [OR] = 2.35; 95% Confidence Interval [CI] = 1.84, 3.00; P < or = .001). Women were also more likely to report transmission risk acts than MSW (OR = 1.56; 95% CI = 1.19, 2.05; P < or = .001). Stimulant use was associated with transmission risk in all three groups (P < or = .05). MSM were more likely to use methamphetamines (8% versus 2% and 3% respectively), while MSW (17%) and women (12%, compared to 11% for MSM) were more likely to use cocaine. Clinical settings offer opportunities for preventing HIV transmission, particularly if interventions are tailored to sub-populations of HIV-infected patients.

Methamphetamine and young men who have sex with men: understanding patterns and correlates of use and the association with HIV-related sexual risk

OBJECTIVE

To examine patterns, consequences, and correlates of methamphetamine use among adolescent and young adult men who have sex with men (YMSM).

DESIGN

Descriptive, bivariate, and hierarchical regression analyses of cross-sectional data.

SETTING

Howard Brown Health Center, a community-based facility in Chicago, Ill, from August 2004 to September 2005.

PARTICIPANTS

Three hundred ten YMSM who completed an anonymous, computer-assisted survey.

MAIN OUTCOME MEASURE

Methamphetamine use in the past year.

RESULTS

Participants ranged in age from 16 to 24 years (mean age, 20.3 years); 30% were white and 70% were of other race/ethnicity (African American, 33%; Hispanic, 26%; Asian or Pacific Islander, 3%; and other, 8%). Participants reported many high-risk sexual and substance use behaviors. Thirteen percent used methamphetamine in the past year. Methamphetamine use was more common among human immunodeficiency virus-infected participants (odds ratio, 2.8; 95% confidence interval, 1.3-5.3) and varied by age and race/ethnicity; substantially higher prevalence was reported by older and non-African American YMSM (P<.001). Compared with other illicit substance users, methamphetamine users reported more memory difficulties, impairments in daily activities, and unintended risky sex resulting from substance use (all P<.01). Hierarchical regression identified sexual risk (unprotected intercourse and multiple partners), sexualized social context (eg, Internet sex, sex in a bathhouse or sex club, sex with older partners, and commercial sex), lower self-esteem, and psychological distress as correlated with methamphetamine use among participants (P<.05).

CONCLUSIONS

A substantial percentage of YMSM in this sample used methamphetamine. Methamphetamine use is a public health problem with significant implications for the health and well-being of YMSM. Methamphetamine use was associated with human immunodeficiency virus-related risk, and patterns of use were predicted by demographic data, sexualized social contexts, and psychological variables.

Unprotected anal intercourse and substance use before and after HIV diagnosis among recently HIV-infected men who have sex with men

OBJECTIVE

The objective of this study was to assess associations between unprotected anal intercourse (UAI) and substance use before and after HIV diagnosis among recently HIV-infected MSM.

STUDY DESIGN

Two hundred seven MSM completed computer-assisted self-interviews regarding type and timing of sexual activity and substance use with their last 3 partners. Date of HIV diagnosis was extracted from medical records. Generalized estimating equations, including interaction terms, were used to assess associations between substance use and UAI before and after HIV diagnosis.

RESULTS

Among partners with whom sexual activity occurred before diagnosis, UAI was associated with methamphetamine use alone (odds ratio = 7.12) and a combination of methamphetamine and other substances (odds ratio = 4.06). However, after HIV diagnosis, UAI was associated with use of substances other than methamphetamine (odds ratio = 3.36), but not methamphetamine alone.

CONCLUSIONS

Use of illicit substances may be differentially associated with UAI based on knowledge of HIV status and could have implications for prevention of HIV transmission.

The relationship between methamphetamine and popper use and risk of HIV seroconversion in the multicenter AIDS cohort study

BACKGROUND

The association between methamphetamine use and HIV seroconversion for men who have sex with men (MSM) was examined using longitudinal data from the Multicenter AIDS Cohort Study.

METHODS

Seronegative (n = 4003) men enrolled in 1984 to 1985, 1987 to 1991, and 2001 to 2003 were identified. Recent methamphetamine and popper use was determined at the current or previous visit. Time to HIV seroconversion was the outcome of interest. Covariates included race/ethnicity, cohort, study site, educational level, number of sexual partners, number of unprotected insertive anal sexual partners, number of unprotected receptive anal sexual partners, insertive rimming, cocaine use at the current or last visit, ecstasy use at the current or last visit, any needle use since the last visit, Center for Epidemiologic Study of Depression symptom checklist score >16 since the last visit, and alcohol consumption.

RESULTS

After adjusting for covariates, there was a 1.46 (95% confidence interval [CI]: 1.12 to 1.92) increased relative hazard of HIV seroconversion associated with methamphetamine use. The relative hazard associated with popper use was 2.10 (95% CI: 1.63 to 2.70). The relative hazard of HIV seroconversion increased with the number of unprotected receptive anal sexual partners, ranging from 1.87 (95% CI: 1.40 to 2.51) for 1 partner to 9.32 (95% CI: 6.21 to 13.98) for 5+ partners. The joint relative hazard for methamphetamine and popper use was 3.05 (95% CI: 2.12 to 4.37). There was a significant joint relative hazard for methamphetamine use and number of unprotected receptive anal sexual partners of 2.71 (95% CI: 1.81 to 4.04) for men with 1 unprotected receptive anal sexual partner, which increased in a dose-dependent manner for >1 partners.

CONCLUSIONS

Further examination of the mechanisms underlying the synergism of drug use and sexual risk behaviors on rates of HIV seroconversion is necessary for the development of new targeted HIV prevention strategies for non-monogamous drug-using MSM.

Prevalence of HIV infection and predictors of high-transmission sexual risk behaviors among men who have sex with men

OBJECTIVES

We sought to determine the prevalence of HIV and novel cofactors of high-transmission-risk behavior in a probability sample of men who have sex with men (MSM).

METHODS

We performed a cross-sectional telephone survey of 1976 adult MSM in San Francisco.

RESULTS

We found an HIV prevalence of 25.2%. Predictors of unprotected insertive anal intercourse with a serodiscordant (not having the same HIV/AIDS serostatus) partner among HIV-infected men included use of Viagra and a greater number of partners in the past 12 months. Unprotected receptive anal intercourse with a serodiscordant partner among men not known to be HIV infected was independently associated with having lived in San Francisco for less than 1 year, use of crystal methamphetamine and amyl nitrites, a greater number of partners, and agreement with the statement, "You are less careful about being safe with sex or drugs than you were several years ago because there are better treatments for HIV now."

CONCLUSIONS

Strategies to prevent HIV for urban MSM should focus on new predictors of HIV transmission.

The effectiveness of individual-, group-, and community-level HIV behavioral risk-reduction interventions for adult men who have sex with men: a systematic review

This article presents the results of a systematic review of the effectiveness and economic efficiency of individual-, group-, and community-level behavioral interventions intended to reduce the risk of acquiring sexually transmitted HIV in adult men who have sex with men (MSM). These results form the basis for recommendations by the Task Force on Community Preventive Services on the use of these interventions. Sexual risk behavior and condom use were the outcomes used to assess effectiveness. Intervention effectiveness on biological outcomes could not be assessed because too few studies of adequate quality have been published. The evidence found in our review shows that individual-level, group-level, and community-level HIV behavioral interventions are effective in reducing the odds of unprotected anal intercourse (range 27% to 43% decrease) and increasing the odds of condom use for the group-level approach (by 81%). The Task Force concluded that the findings are applicable to MSM aged 20 years or older, across a range of settings and populations, assuming that interventions are appropriately adapted to the needs and characteristics of the MSM population of interest. Based on findings from economic evaluation studies, the Task Force also concluded that group- and community-level HIV behavioral interventions for adult MSM are not only cost effective but also result in actual cost savings. Additional information about other effects, barriers to implementation, and research gaps is provided in this paper. The recommendations based on these systematic reviews are expected to serve the needs of researchers, planners, and other public health decision makers.

Discussing HIV Serostatus With Prospective Sex Partners: A Potential HIV Prevention Strategy Among High-Risk Men Who Have Sex With Men

OBJECTIVE

To study factors associated with HIV serostatus discussions among men who have sex with men (MSM).

DESIGN

The authors conducted a cross-sectional survey among MSM visiting an urban sexually transmitted infection (STI) clinic.

METHODS

MSM were asked about sex partner recruitment, serostatus of partners, condom use, drugs use, and HIV serostatus discussions with sex partners.

RESULTS

Among 1,400 MSM reporting occasional sex partners, serostatus discussion with 100% of partners was reported by 509 (36.3%), with 50% to 99% of partners by 263 (18.8%), and with <50% of partners by 628 (44.9%). Factors associated with serostatus discussion included lower number of sex partners, anal sex with an occasional partner, and sex partner recruitment through the Internet. Partner recruitment in bathhouses and having sex with both men and women were negatively associated.

CONCLUSIONS

Discussion of HIV serostatus was common among MSM studied. Although this strategy has limitations, interventions should address HIV status discussions. Because the Internet may facilitate these discussions, web-based interventions should be evaluated.

Methamphetamine use and infectious disease-related behaviors in men who have sex with men: implications for interventions

AIMS

Review the current evidence regarding the prevalence of methamphetamine use among men who have sex with men (MSM) and to evaluate the factors that contribute to methamphetamine use and potential for sexual transmission of HIV and other infectious diseases.

METHODS

Databased reports address (1) epidemiology of methamphetamine use in MSM; (2) methamphetamine use and risk behaviors for sexually transmitted infections; and (3) interventions.

FINDINGS

Methamphetamine use is highly prevalent in MSM. Strong associations between methamphetamine use and HIV-related sexual transmission behaviors are noted across studies of MSM and correspond to increased incidence for HIV and syphilis compared to MSM who do not use the drug. Behavioral treatments produce sustained reductions in methamphetamine use and concomitant sexual risk behaviors among methamphetamine-dependent MSM.

CONCLUSIONS

Brief screening of methamphetamine use for MSM who seek physical, mental health and substance abuse services is recommended. Behavioral interventions that address methamphetamine use may range from brief interventions to intensive out-patient treatments.

Efficacy of a behavioral intervention for increasing safer sex behaviors in HIV-positive MSM methamphetamine users: results from the EDGE study

BACKGROUND

Methamphetamine use has been associated with rising STI/HIV transmission rates, particularly among men who have sex with men (MSM). Interventions which successfully reduce risk for HIV transmission among this population are a public health priority. This study examined the efficacy of a behavioral intervention for increasing safer sex behaviors in the context of ongoing methamphetamine use in a sample of HIV-positive, methamphetamine-using MSM.

METHODS

Three-hundred and forty-one participants from San Diego, CA were randomly assigned to receive either a safer sex behavioral intervention (EDGE) or a time-equivalent diet-and-exercise attention-control condition. Random effects regression analyses were used to evaluate change in safer sex behaviors over a 12-month period.

RESULTS

Participants in the EDGE intervention engaged in significantly more protected sex acts at the 8-month (p=0.034) and 12-month assessment (p=0.007). By 12-months post-baseline, a greater percentage of protected sex acts was observed for EDGE (25.8%) vs. control participants (18.7%) (p=0.038). There was a significant time-by-intervention interaction (p=0.018) for self-efficacy for condom use, suggesting that EDGE participants' self-efficacy demonstrated a greater increase over time compared to control participants.

CONCLUSIONS

These results suggest that it is possible to reduce high risk sexual behaviors in the context of ongoing methamphetamine use among HIV-infected MSM.

Nitrite inhalant use among young gay and bisexual men in Vancouver during a period of increasing HIV incidence

BACKGROUND

Nitrite inhalants ("poppers") are peripheral vasodilators which, since the beginning of the epidemic, have been known to increase risk for acquiring HIV infection among men who have sex with men (MSM). However, few studies in recent years have characterized use. From 1999 to 2004, new HIV diagnoses among MSM in British Columbia increased 78%, prompting us to examine the prevalence and correlates of this modifiable HIV risk factor.

METHODS

Self-administered questionnaires were completed between October 2002 and May 2004 as part of an open cohort study of HIV-seronegative young MSM. We measured nitrite inhalant use during the previous year and use during sexual encounters with casual partners specifically. Correlates of use were identified using odds ratios.

RESULTS

Among 354 MSM surveyed, 31.6% reported any use during the previous year. Nitrite inhalant use during sexual encounters was reported by 22.9% of men and was strongly associated with having casual partners, with greater numbers of casual partners (including those with positive or unknown serostatus) and with anal intercourse with casual partners. Nitrite inhalant use was not associated with non-use of condoms with casual sexual partners per se.

CONCLUSION

Contemporary use of nitrite inhalants amongst young MSM is common and a strong indicator of anal intercourse with casual sexual partners. Since use appears to increase the probability of infection following exposure to HIV, efforts to reduce the use of nitrite inhalants among MSM should be a very high priority among HIV prevention strategies.

Characteristics and HIV risk behaviors of homeless, substance-using men who have sex with men

During January and February 2003, 20 non-treatment seeking homeless, substance-using MSM accessing community-based prevention services in West Hollywood, California were assessed to characterize demographics, addiction and psychiatric severity using structured and semi-structured clinical interviews, and high-risk drug and sexual behavior. Participants averaged 37 years old, were mostly Caucasian/white (65%) and most identified as bisexual (58%) or gay (37%). Self-reported HIV seroprevalence was 21%. Most (53%) exchanged sex for money and/or drugs within the previous 30 days. All were diagnosed with current DSM-IV Substance Dependence Disorders, primarily alcohol (62%), amphetamine (57%), cocaine (52%), and marijuana (38%). Participants reported many (35.7) positive psychiatric symptoms on the Brief Symptom Inventory and averaged moderate Beck Depression Inventory scores (19.1). Most (75%) met criteria for Mood Disorder, 33% for Major Depressive Disorder, 43% for Antisocial Personality Disorder and averaged low (48.5) Global Assessment of Functioning scores. While the small convenience sample limits generalizability of the findings, these data provide an opportunity to gain insight into this at-risk population and, thereby, assess appropriate intervention strategies.

Intentional unprotected anal intercourse among sex who have sex with men: barebacking - from behavior to identity

Unprotected sex among gay/bisexual men throughout the AIDS epidemic has usually been described as unintentional due to a relapse from safer sex behavior. The term "barebacking" emerged among HIV-positive men explicitly seeking unprotected sex with seroconcordant partners, but has come into use in the larger gay community to simply mean condomless sex. Some men have also taken on the identity as a "barebacker." The present study assessed prevalence and predictors of bareback identity in a sample 687 gay/bisexual men attending community events. Barebackers reported significantly more use of crystal methamphetamine and higher peer norms for unprotected sex; HIV-negative barebackers were higher in sexual compulsivity while HIV-positive barebackers were higher in romantic obsession as well as drug/alcohol influenced sexual expectancies. HIV prevention efforts targeting barebackers and barebacking must be carefully developed if programs and campaigns are to be effective given the open debates about this phenomenon in the gay community.

Methamphetamine use and sexual risk behaviors in U.S. high school students: findings from a national risk behavior survey

BACKGROUND

Methamphetamine use is associated with numerous adverse physical and mental health outcomes. This study investigated the prevalence and distribution of lifetime methamphetamine use (MU) as well as the association between methamphetamine use and engagement in sexual risk behaviors among a nationally representative sample of U.S. high school students.

METHODS

A secondary analysis of the 2003 Youth Risk Behavior Survey (n = 15,240) was carried out. Weighted descriptive and logistic regression analyses were conducted to determine the prevalence of MU by socio-demographic characteristics and the association between drug use and sexual risk behaviors.

RESULTS

Prevalence of having used methamphetamine > or =1 times (lifetime methamphetamine use) (7.6%; 95%CI +/- 1.0) was comparable to lifetime cocaine use but over double the rate of lifetime heroin use. Males reported slightly higher MU than females (8.3%+/-1.4 vs. 6.8%+/-1.0). MU was more than twice as high for white (8.1%+/-1.1) and Hispanic (8.2%+/-2.2) students compared to black students (3.1%+/-1.0). MU was associated with approximately 2 to 11 times the likelihood of engaging in one of the six sexual risk behaviors examined. Heavy methamphetamine users were >4 times more likely to report having had sexual intercourse before age 13, sex with multiple partners, and having been/gotten someone pregnant compared to those who used methamphetamine 1-2 times.

CONCLUSION

Findings indicate that a substantial number of U.S. youth have used methamphetamine, that white and Hispanic high school students may be at higher risk for methamphetamine use, and that methamphetamine users may be at higher risk for engaging in sexual risk behaviors.

Best-evidence interventions: findings from a systematic review of HIV behavioral interventions for US populations at high risk, 2000-2004

OBJECTIVES

The Centers for Disease Control and Prevention's HIV/AIDS Prevention Research Synthesis Team conducted a systematic review of US-based HIV behavioral intervention research literature from 2000 through 2004 to identify interventions demonstrating best evidence of efficacy for reducing HIV risk.

METHODS

Standard systematic review methods were used. Each eligible study was reviewed on the basis of Prevention Research Synthesis Team efficacy criteria that focused on 3 domains: study design, implementation and analysis, and strength of evidence.

RESULTS

Eighteen interventions met the criteria for best evidence. Four targeted HIV-positive individuals. Of those targeting populations at risk for HIV, 4 targeted drug users, 6 targeted adults at risk because of heterosexual behaviors only, 2 targeted men who have sex with men, and 2 targeted youths at high risk. Eight interventions focused on women, and 13 had study samples with more than 50% minority participants. Significant intervention effects included increased condom use and reductions in unprotected sexual intercourse, number of sexual partners, injection drug use or needle sharing, and newly acquired sexually transmitted infections.

CONCLUSIONS

Most of the best-evidence interventions are directly applicable for populations in greatest need of effective prevention programs; however, important gaps still exist.

Amphetamine use and sexual risk among men who have sex with men: results from the National HIV Behavioral Surveillance study--New York City

A 2004-2005 survey among 503 men who have sex with men who attend public venues in New York City was used to examine the relationship of amphetamine use with sexual risk behaviors. Among the men recruited, 51.1% were under 30 years of age, 27.4% were Latino, and 23.3% were African American. Most identified as either gay (78.9%) or bisexual (18.1%). A standardized questionnaire collected data on demographics, sexual risk behaviors, drug and alcohol use, history of HIV testing, and occurrences of sexually transmitted infections. Amphetamine use in the past year was reported by 13.8%. Of those, 71.0% used amphetamines with sex. Amphetamine use was associated with unprotected receptive anal intercourse with non-main partners. In event-specific analysis, amphetamine use was higher with unprotected encounters compared with protected encounters. This study confirms the association between amphetamine use and sexual risk furthers our understanding of risky circumstances and lays the groundwork for the design of interventions.

Unprotected anal intercourse and substance use among men who have sex with men with recent HIV infection

OBJECTIVES

To examine within-subjects and combined between- and within-subjects associations between substance use and unprotected anal intercourse (UAI) among men who have sex with men (MSM) with recent HIV infection.

METHODS

One hundred ninety-four MSM who were recently infected with HIV completed a computer-assisted questionnaire regarding sexual behaviors and substance use with their last 3 partners. Associations between UAI and substance use were assessed using conditional logistic regression (CLR) to assess associations among the 116 MSM reporting UAI with some but not all partners and generalized linear mixed effects models (GLMMs) to examine a combination of within- and between-subjects associations in the entire sample (N = 194).

RESULTS

In multivariate CLR models and GLMMs, UAI was associated with the use of methamphetamine (odds ratio [OR] = 4.9 and OR = 3.5, respectively), marijuana (OR = 4.0 and OR = 2.2, respectively) and erectile dysfunction medications (EDMs) when used with a main partner (OR = 13.8 and OR = 10.1, respectively).

CONCLUSIONS

Results indicate that a direct association may exist between specific substances and UAI and provide evidence that the use of methamphetamine and EDMs may contribute to HIV transmission.

Associations between methamphetamine use and HIV among men who have sex with men: a model for guiding public policy

Among men who have sex with men (MSM) in Los Angeles County, methamphetamine use is associated with high rates of HIV prevalence and sexual risk behaviors. In four separate samples of MSM who differed in the range of their intensity of methamphetamine use, from levels of recreational use to chronic use to those for MSM seeking drug abuse treatment, the association between methamphetamine use and HIV infection increased as the intensity of use increased. The lowest HIV prevalence rate (23%) was observed among MSM contacted through street outreach who mentioned recent methamphetamine use, followed by MSM who used at least once a month for six months (42%), followed by MSM seeking intensive outpatient treatment (61%). The highest rate (86%) was observed among MSM seeking residential treatment for methamphetamine dependence. The interleaving nature of these epidemics calls for comprehensive strategies that address methamphetamine use and concomitant sexual behaviors that increase risk of HIV transmission in this group already at high risk. These and other data suggest that MSM who infrequently use methamphetamine may respond to lower intensity/lower cost prevention and early intervention programs while those who use the drug at dependence levels may benefit from high intensity treatment to achieve goals of reduced drug use and HIV-risk sexual behaviors.

Assessing the feasibility of harm reduction services for MSM: the late night breakfast buffet study

BACKGROUND

Despite the leveling off in new HIV infections among men who have sex with men (MSM) in San Francisco, new evidence suggests that many recent HIV infections are linked with the use of Methamphetamine (MA). Among anonymous HIV testers in San Francisco, HIV incidence among MA users was 6.3% compared to 2.1% among non-MA users. Of particular concern for prevention programs are frequent users and HIV positive men who use MA. These MSM pose a particular challenge to HIV prevention efforts due to the need to reach them during very late night hours.

METHODS

The purpose of the Late Night Breakfast Buffet (LNBB) was to determine the feasibility and uptake of harm reduction services by a late night population of MSM. The "buffet" of services included: needle exchange, harm reduction information, oral HIV testing, and urine based sexually transmitted infection (STI) testing accompanied by counseling and consent procedures. The study had two components: harm reduction outreach and a behavioral survey. For 4 months during 2004, we provided van-based harm reduction services in three neighborhoods in San Francisco from 1-5 a.m. for anyone out late at night. We also administered a behavioral risk and service utilization survey among MSM.

RESULTS

We exchanged 2000 needles in 233 needle exchange visits, distributed 4500 condoms/lubricants and provided 21 HIV tests and 12 STI tests. Fifty-five MSM enrolled in the study component. The study population of MSM was characterized by low levels of income and education whose ages ranged from 18-55. Seventy-eight percent used MA in the last 3 months; almost 25% used MA every day in the same time frame. Of the 65% who ever injected, 97% injected MA and 13% injected it several times a day. MA and alcohol were strong influences in the majority of unprotected sexual encounters among both HIV negative and HIV positive MSM.

CONCLUSION

We reached a disenfranchised population of MA-using MSM who are at risk for acquiring or transmitting HIV infection through multiple high risk behaviors, and we established the feasibility and acceptability of late night harm reduction for MSM and MSM who inject drugs.

Concurrent use of methamphetamine, MDMA, LSD, ketamine, GHB, and flunitrazepam among American youths

BACKGROUND

The magnitude and the characteristics of the use of methamphetamine, MDMA (Ecstasy), LSD (d-lysergic acid diethylamide), ketamine, GHB (gamma-hydroxybutyrate), and flunitrazepam (Rohypnol) were examined in a probability sample of the U.S. civilian population that included multiethnic urban, suburban, and rural youths aged 16-23 (N=19,084).

METHODS

Data were drawn from the National Survey on Drug Use and Health (NSDUH). Logistic regression analyses were conducted to identify the characteristics associated with the use of each of these drugs and of multiple drugs.

RESULTS

Approximately 20% of youths aged 16-23 reported having ever used one or more of these drugs. Less than 1% of club drug users used club drugs only, and 82% of them had ever used three or more drug classes. Females were more likely than males to report using multiple club drugs. Recent users of methamphetamine were most likely to be females and adolescents aged 16 or 17. Recent users of MDMA tended to be young adults aged 18-21 and residents of metropolitan areas. Most recent users of LSD were adolescents aged 16-19 and those in low-income families. Ketamine users were primarily employed youths. Staying in school and getting married were associated with decreased odds of club drug use. Club drug use was highly associated with the presence of criminal behaviors and recent alcohol abuse or dependence.

CONCLUSIONS

Adolescents are more likely than young adults to use multiple drugs. The clustering of multidrug use and alcohol use disorder is a cause of concern.

Primary care health issues among men who have sex with men

PURPOSE

The purpose of the article is to examine "appropriate" health care for men who have sex with men (MSM), which is not to suggest "special" health care. As a group, MSM are at increased risk for sexually transmitted infections, anal cancer, and mental health disorders. Focus areas in this article will address health issues that the primary care nurse practitioner (NP) may encounter in clinical practice: anal carcinoma, sexually transmitted diseases (STDs), high-risk sexual practices, depression, and substance abuse were topics chosen for inclusion in this article. These topics were among those highlighted in the Healthy People 2010 Companion Document for LGBT Health, which served to examine the healthcare disparities and lack of access to needed services related to sexual orientation.

DATA SOURCE

Extensive literature review of research articles, journals, clinical practice guidelines, books, and public health department Internet Web sites.

CONCLUSIONS

There are unique health disparities that exist for MSM related to social, emotional, and mental health factors, in addition to physical issues such as STDs. There is an increasing need for primary care providers to be aware of these disparities, as well as the factors that influence these disparities, in order to provide multidimensional care and health counseling that is unique to NP practice.

IMPLICATIONS FOR PRACTICE

Both the primary care NP and the patient should be aware of the unique healthcare issues among MSM that should be incorporated into the patient's routine health maintenance program. As primary care providers, it is within the standards of practice for NPs to provide culturally competent care, along with health promotion and disease prevention for MSM.

Associations between substance use and sexual risk among very young men who have sex with men

OBJECTIVE

To determine if an association exists in young men who have sex with men (MSM) between being under the influence of alcohol or drugs during sex and participation in sexual behaviors which increase the risk of human immunodeficiency virus (HIV).

STUDY DESIGN

A total of 3492 young MSM were interviewed through the Young Men's Survey, an anonymous, cross-sectional, multisite, venue-based survey conducted from 1994 through 1998 at 194 public venues frequented by MSM aged 15 to 22 years in 7 US cities.

RESULTS

The majority of young MSM reported both receptive and insertive anal intercourse, and of these, approximately half reported not using condoms. Report of unprotected receptive anal intercourse at least once in the prior 6 months was associated with being under the influence of alcohol (adjusted odds ratio [AOR]=1.5; 95% confidence interval [CI]=1.2-1.8), cocaine (AOR=1.6; 95% CI=1.1-2.2), amphetamines (AOR=1.5; 95% CI=1.1-2.0) or marijuana during sex (AOR=1.3; 95% CI=1.1-1.6). Report of unprotected insertive anal intercourse at least once in the prior 6 months was associated with being under the influence of alcohol (AOR=1.2; 95% CI=1.0-1.5), cocaine (AOR=1.5; 95% CI=1.1-2.0) or amphetamines (AOR=1.9; 95% CI=1.4-2.6).

CONCLUSIONS

HIV prevention strategies for young MSM need to incorporate substance use risk reduction.

Sexual and injection risk among women who inject methamphetamine in San Francisco

Methamphetamine (MA) use is on the rise in the United States, with many cities reporting increases of 100% or more in MA-related Emergency Department (ED) mentions. Women are keeping pace with this trend: in 2003, 40% of ED mentions and 45% of MA-related treatment admissions were female. Although there have been extensive examinations of MA use and HIV/STI risk among gay men in recent years, literature regarding female MA users is scarce. This paper examines female methamphetamine injectors in San Francisco, CA, from 2003-2005. We assessed sexual and injection related risk behaviors, comparing female MA injectors to female injectors of other drugs. We also examined whether MA use was independently associated with specific sexual and injection risk behaviors. We found that female MA injectors were significantly more likely than non-MA injectors to report unprotected anal intercourse, multiple sexual partners, receptive syringe sharing and sharing of syringes with more than one person in the past six months. In multivariate analysis, MA use among female injectors was significantly associated with anal sex, more than five sexual partners, receptive syringe sharing, and more than one syringe-sharing partner in the past six months. Deeper exploration of the relationship between MA use and sexual risk among women would benefit HIV/STI prevention efforts. In addition, existing interventions for drug-injecting women may need to be adapted to better meet the risks of female MA injectors.

Incidence of sexually transmitted diseases and HIV infection in men who have sex with men related to knowledge, perceived susceptibility, and perceived severity of sexually transmitted diseases and HIV infection: Dutch MSM-Cohort Study

BACKGROUND

This longitudinal study was conducted to investigate whether knowledge, perceived susceptibility, and perceived severity of HIV infection and sexually transmitted diseases (STDs) are associated with the incidence of STDs and new HIV infections among men who have sex with men (MSM).

METHODS

A 3-year cohort study was conducted among 190 HIV-negative MSM. Data were collected on the incidence of STDs and new HIV infections, as well as on knowledge and perceived susceptibility to and perceived severity of HIV infection and STDs. Knowledge and perceptions were assessed in self-administered questionnaires.

RESULTS

In the course of the 3-year study, six MSM (3.2%) HIV-seroconverted and 78 (41.1%) participants were diagnosed with at least one STD. MSM seemed to be better informed about HIV infection compared with STDs, and HIV infection was perceived as more severe than other STDs. In multivariable analyses, low perceived severity of HIV infection significantly (P = 0.025) predicted increased likelihood of infection with STDs or HIV, and the practice of anal intercourse was (marginally) associated with an increased risk of acquiring STDs or HIV (P = 0.052).

CONCLUSIONS

A high perceived severity of HIV infection seems to induce sexual behavior that protects against STDs and HIV infection. More research is needed to establish the specific behaviors by which perceived severity of STDs/HIV influences the incidence of STDs and HIV.