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Risk practices for HIV infection and other STDs amongst female prostitutes working in legalized brothels.

Most research investigating risk practices for HIV infection and other STDs amongst sex workers has focused on street prostitutes to the exclusion of those prostitutes who work in different sections of the industry. This is largely a consequence of methodological difficulties in accessing prostitutes other than those who work on the streets. HIV prevention research and interventions must address the fact that risk practices may vary according to the type of prostitution engaged in. This paper reports on risk practices for HIV infection and other STDs amongst prostitutes working in legalized brothels in Victoria, Australia. A self-administered questionnaire was distributed by representatives of a sex worker organization whose collaboration was an important factor in obtaining a large sample of prostitutes. The study found low levels of risk practices for prostitutes working in legal brothels in Victoria. The major risk practices indentified were injecting drug use and condom non-use with non-paying partners.

Adolescent↗

A randomized controlled trial testing an HIV prevention intervention for Latino youth.

OBJECTIVE: To test the efficacy of a prevention intervention to reduce sexual risk behavior among Latino adolescents. DESIGN: Randomized controlled trial from April 2000 through March 2003, with data collection before and after intervention and at 3, 6, and 12 months. SETTING: Northeast Philadelphia schools. PARTICIPANTS: Latinos aged 13 through 18 years (249 males and 304 females); 81.6% retained at 12-month follow-up. INTERVENTIONS: The HIV and health-promotion control interventions consisted of six 50-minute modules delivered by adult facilitators to small, mixed-gender groups in English or Spanish. Main Outcome Measure Self-reported sexual behavior. RESULTS: Analyses using generalized estimation equations over the follow-up period revealed that adolescents in the HIV intervention were less likely to report sexual intercourse (odds ratio, 0.66; 95% confidence interval [CI], 0.46-0.96), multiple partners (odds ratio, 0.53; 95% CI, 0.31-0.90), and days of unprotected intercourse (relative risk, 0.47; 95% CI, 0.26-0.84) and more likely to report using condoms consistently (odds ratio, 1.91; 95% CI, 1.24-2.93). Baseline sexual experience and language use moderated intervention efficacy. Adolescents assigned to the HIV intervention who were sexually inexperienced at baseline reported fewer days of unprotected sex (relative risk, 0.22; 95% CI, 0.08-0.63); Spanish speakers were more likely to have used a condom at last intercourse (odds ratio, 4.73; 95% CI, 1.72-12.97) and had a greater proportion of protected sex (mean difference, 0.35; P<.01) compared with similar adolescents in the health-promotion intervention. CONCLUSION: Results provide evidence for the efficacy of HIV intervention in decreasing sexual activity and increasing condom use among Latino adolescents.

Adolescent↗

Relationship of optimism, knowledge, attitudes, and beliefs to use of HIV antibody testing by at-risk female adolescents.

This study's purpose was to examine the extent to which optimism, knowledge, attitudes, and beliefs predict use of HIV testing services in a group of at-risk female adolescents. We prospectively interviewed 124 consecutive girls engaging in risky behaviors before regularly scheduled pediatric clinic appointments at a large urban HMO. Subjects completed a self-report questionnaire assessing optimism (Scheier's Life Optimism Test, or LOT), HIV-related knowledge, beliefs, and behaviors before their regular visit. At the visit, they were counseled about risky behaviors and the availability of confidential HIV testing at the clinic. All subjects were next given an opportunity to view an educational video about HIV testing and then decided whether or not to obtain testing. LOT scores were not associated with HIV-related knowledge, perceived risk, self-efficacy, condom expectations, or most risky behaviors, including higher levels of recent unprotected intercourse. LOT scores were higher among those who did not view the video and were also higher among those who did not obtain an HIV test. We conclude that higher optimism is not necessarily associated with HIV protective behaviors among adolescent girls and, depending on the context, may serve as a barrier to HIV prevention in this population.

Adolescent↗

Baseline survey of sexually transmitted infections in a cohort of female bar workers in Mbeya Region, Tanzania.

OBJECTIVES: To determine baseline prevalence of sexually transmitted infections (STI) and other reproductive tract infections (RTI) and their association with HIV as well as sociodemographic and behavioural characteristics in a newly recruited cohort of female bar workers in Mbeya Region, Tanzania. METHODS: 600 female bar workers were recruited from 17 different communities during September to November 2000 and underwent gynaecological examination, laboratory testing for HIV/STI, and interviews using structured questionnaires. RESULTS: HIV-1 seroprevalence was 68%. Prevalences of STI/RTI were high titre syphilis (TPPA/RPR >/=1/8), 9%; herpes simplex virus 2 antibodies, 87%; chlamydia, 12%; gonorrhoea, 22%; trichomoniasis, 24%; and bacterial vaginosis, 40%. HIV infection was associated with TPPA and HSV-2 seropositivity, bacterial vaginosis and clinically diagnosed genital ulcers, blisters, and warts. Reported high risk sexual behaviour during the past year (having multiple casual partners) was associated with prevalent STI. CONCLUSION: Female bar workers in Mbeya are at high risk of STI and HIV infection. Targeted STI/HIV prevention interventions for these women and their sexual partners need to be reinforced. Methods should be sought to improve healthcare seeking and to provide easily accessible and affordable STI care services.

Adult↗

Patterns of sexual commerce among women at US Syringe Exchange Programs.

In the USA, the majority of research on sex work has examined the experiences of women recruited from social locations commonly referred to as the 'sex industry', such as street strolls or escort services. This paper presents data from female syringe exchange participants who had sold sex in the last 30 days. The women interviewed for this study report a much broader array of commercial transactions than found in previous US studies, including selling sex to women, paying men for sex, and considerable role fluidity between buying and selling. In addition, approximately one-third of the women report only selling sex 1 day per week or less, and appear to be more socio-economically stable than women who sell sex more often. We argue that this data suggests the existence of an array of commercial sexual transactions outside of the socially recognized sex industry, and that social location may affect condom use.

Adult↗

Women's self-efficacy and sexually transmitted disease preventive behaviors.

Knowledge of sexually transmitted disease (STD) prevention, perceived risk for STDs, and self-efficacy for STD prevention were investigated as predictors of behavioral risk for STDs in 308 female college students. Perceived risk and self-efficacy predicted 19% of behavioral risk for STD; knowledge was not a predictor. Self-efficacy was highest for communicating about STD prevention and lowest for refusing sexual intercourse. Interventions that enhance both women's self-efficacy to prevent STDs and accurate risk appraisal are likely to be more effective than those that emphasize only knowledge of prevention techniques.

Adolescent↗

Sexual risk behavior among injection drug-using human immunodeficiency virus positive clients.

This study examined sexual risk behavior of 154 seropositive Hispanic injection drug-using clients who were a subsample of a larger study. The results revealed that while nearly 71% followed safe sex practices at a 6-month follow-up, the other 29% were following risky sexual behaviors. Among males who were 25 years of age or younger, slightly over 58% were practicing unsafe sex. Among females, those in the 31-35 age group were all following risky sexual behaviors. Generally, those who lived with their sexual partners, females, and younger clients tended to follow risky sexual behaviors. These findings are very significant in the light of the heterosexual transmission of Human Immunodeficiency Virus (HIV). Educational and case management programs are needed to provide such clients with an understanding of the possibility of HIV transmission to their sexual partners and to their children in case of pregnancies.

Adult↗

A survey of pediatric nephrologists on adolescent sexual health.

Chronic renal disease often has an adverse effect on adolescent physiologic and psychosocial development. The severity of the disease may necessitate that the pediatric nephrologist be the adolescent's main medical provider and the most available physician to screen for adolescent health risk behaviors. The purpose of this study was to determine pediatric nephrologists' practices of sexual history taking and diagnosis and treatment of sexually transmitted infections in their adolescent patients. A survey was performed on a convenience sample of 66 pediatric nephrologists attending an educational seminar on adolescent care at the 1997 national meeting of the American Society of Pediatric Nephrology. The outcome measures included physicians' reports of interviewing adolescents alone and screening for sexually transmitted infections. Fifty-six percent reported interviewing adolescents alone, 55% routinely ask female adolescents about sexual intercourse (53% ask males) and 10% routinely perform pelvic exams. Current practice in this selected sample of pediatric nephrologists, who by their attendance at the seminar may represent those most motivated to do screening, still leaves adolescents with chronic renal disease potentially at risk for sexually transmitted infections and pregnancy. Educational efforts should be directed at increasing routine confidential sexual history taking for adolescents with chronic renal disease.

Adolescent↗

Modifiable risk factors associated with clearance of type-specific cervical human papillomavirus infections in a cohort of university students.

BACKGROUND: Previous findings regarding risk factors for human papillomavirus (HPV) persistence, other than viral determinants, identified from prospective cohort studies have been inconsistent in part because study designs have differed with respect to differing HPV detection methods and varying lengths of follow-up time. Therefore, the objectives of this study were to continue the search for epidemiologic risk factors of persistent cervical HPV infections and determine what behaviors differed between those women with transient HPV infections and those women who cannot clear their type-specific HPV infections. METHODS: Female university students (n = 621) in Montreal were followed for 24 months at 6-month intervals. At each visit, a cervical cell specimen was collected. HPV DNA was detected using the MY09/MY11 PCR protocol and 27 HPV genotypes were identified by the line blot assay (Roche Molecular Systems, Inc., Alameda, CA). Proportional hazards regression was used to estimate the crude and adjusted hazard ratios of clearing a type-specific high-risk (n = 222) or low-risk (n = 105) HPV infection over time according to specific baseline and time-dependent covariates. RESULTS: Daily consumption of vegetables seemed to increase the rate of HPV clearance independent of type. The use of tampons was associated with a reduced rate of high-risk HPV clearance, whereas regular condom use was associated with an increased rate of low-risk HPV clearance only. CONCLUSION: Some proactive measures can be taken to increase the rate of HPV clearance, and there may be some differences between the sets of predictors of low-risk and high-risk HPV clearance.

Adolescent↗

Perceived versus actual knowledge about correct condom use among U.S. adolescents: results from a national study.

PURPOSE: To assess the prevalence of three misconceptions about correct condom use and determine whether prevalence of these misconceptions varied by gender, sexual intercourse experience, experience using condoms, and the relationship between adolescents' actual and perceived knowledge about correct condom use. Variables that predicted misconceptions about correct condom use were also identified. METHODS: Data from the National Longitudinal Study of Adolescent Health were analyzed to determine prevalence of misconceptions among 16,677 adolescents. Misconceptions were: (a) no space at the tip of the condom, (b) Vaseline can be used with condoms, and (c) lambskin protects against the acquired immunodeficiency virus better than latex. Chi-square analyses determined differences in prevalence of misconceptions between male and female adolescents based on their sexual and condom use experience as well as their level of perceived knowledge about correct condom use. Logistic regression models identified predictors of reporting misconceptions. RESULTS: Depending on intercourse experience and experience using condoms, about one-third to one-half believed the first two misconceptions and about one-fifth believed the latter one. Perception of knowledge about correct condom use was infrequently related to actual knowledge. Misconceptions were less likely among older adolescents, those ever having intercourse, those reporting four or more lifetime intercourse partners, those who had used condoms, females, and those not reporting a religious affiliation. CONCLUSIONS: Misconceptions about correct condom use are common among adolescents. Sexually active adolescents need more complete information about correct condom use.

Adolescent↗

Predictors of changes in sexual behavior among women on methadone.

This study identified predictors of reported sexual risk reduction among 109 female injection drug users enrolled in methadone clinics. Univariate analyses were used to examine the individual effects of each variable on the outcome of sexual behavior change over the past 6 months. Multiple logistic regression was then used to identify which of these variables were independently associated with such a change. Women with more than one sexual partner were more likely than women with one or no sexual partner to report changing their sexual behavior. African-American women were less likely than White Anglo or Latina women to report changing their sexual behavior. Women who held stronger beliefs that luck plays the largest role in getting AIDS were less likely to report changing their sexual behavior. Change in sexual behavior was associated with feeling comfortable asking partners to use condoms, higher depression scores, and loss of friends or family to AIDS. The observed relationship between personal susceptibility and depression suggests that risk reduction interventions should also address the depressive symptomatology associated with feelings of vulnerability.

Acquired Immunodeficiency Syndrome↗

Students' acquisition and use of school condoms in a high school condom availability program.

OBJECTIVES: To determine what students know about a condom availability program in their high school, how they react to the program, whether they obtain condoms from it, and what they do with these condoms. DESIGN: Self-administered anonymous survey conducted 1 year after the program began. SETTING: An urban California school district. PARTICIPANTS: A total of 1112 students, 9th through 12th grade, 59% of eligible students present on the survey day. MAIN OUTCOME MEASURES: History of obtaining condoms from the program, use of these condoms, knowledge about the program, and attitudes toward the program. RESULTS: Forty-eight percent of students had personally taken school condoms, and another 5% had gotten them from someone else, for a total of 53% who had obtained school condoms. Seventy percent of nonvirgins and 38% of virgins obtained condoms. Males were more likely than females to have obtained condoms (60% vs 45%). Fifty-four percent of students who had obtained school condoms had used them for sexual activity: 52% had used them for vaginal intercourse, 7% for anal intercourse, and 4% for fellatio. Students also explored school condoms without having sex, eg, removing them from the packet, putting them on fingers, or putting them on their penis or a partner's penis. Thirty-four percent of students who had used a condom for vaginal intercourse during the previous year had obtained the condom they last used from school, with more males than females reporting the school as their source (41% vs 26%). Eighty-eight percent of students knew that all students were allowed to obtain condoms, and 74% knew that parental permission was not required. Students generally supported the condom program: 88% thought the school should give out condoms, and 79% thought that if the school were to require parental permission for students to get condoms, students would get them less often than with the present system (which does not require permission). Thirteen percent agreed and 71% disagreed that "having condoms available at school makes it harder for someone who doesn't want to have sex to say no." CONCLUSIONS: Providing high school students with direct access to condoms leads to widespread use of school condoms, both for sexual activity and for exploratory activities that familiarize students with condoms. Condoms are of interest to both students who have and students who have not engaged in sexual activities for which condoms are recommended.

Adolescent↗

HIV risk behaviour of older persons.

BACKGROUND: This study investigated social and psychological determinants of preventive behaviour in HIV-relevant situations. METHODS: Using computer-assisted telephone survey methodology, 2275 male and female were interviewed about their sexual habits. RESULTS: For the first time in Switzerland, data concerning HIV-relevant protection as well as their determinants were systematically collected also from persons older than 45. This age group (n=834) showed an increased risk with regard to HIV-relevant sexual contacts. CONCLUSIONS: The present findings call for more adequate monitoring of sexual behaviour of people older than 40 and suggest the development and implementation of respective age-specific prevention measures.

Adult↗

Healthy and unhealthy life styles of female brothel workers and call girls (private sex workers) in Sydney.

Two groups of female sex workers were compared with respect to their healthy or unhealthy life styles. Both 'call girls' (private sex workers) and brothel workers were infected with sexually transmitted diseases as often in their noncommercial sexual relations as in their work, smoking was a serious problem for both, and each group endured problems from clients specific to their work sites. However, overall, the call girls had healthier life styles, but were more vulnerable to pressures from clients for unsafe sex and to potential violence.

Adolescent↗

Female garment factory workers in Cambodia: migration, sex work and HIV/AIDS.

Female garment factory workers in Cambodia are more exposed to HIV/AIDS than previously thought. Although HIV/AIDS epidemics are fast spreading in Cambodia, relatively little is known about the sexual health of women other than those perceived as commercial sex workers or married women of reproductive age. In-depth interviews with 20 unmarried female garment factory workers, who reported to have engaged in multi-partnered sex through direct or discretionary commercial sex occupations, demonstrate that they are exposed to HIV-risk created along the gradients of power. Low socioeconomic status (low education, meager factory wage and high dependency rate at their rural households) and obligations as daughters to provide for the family mainly determine their entry into sex work. At the location of sex work, they are subjected to physical violence, alcohol and drug use, both self-taken and forced, and receive meager wages. In a society where women are expected to be virtuous and obedient to parents and husbands, these workers are motivated to identify male sex partners in paid sex as "sweethearts" rather than "guests." These factors contribute to low consistency of condom use. This paper demonstrates the complex interrelationships between power, cultural definitions of intimacy and economic dependency, which structure sexual relationships and the risk of HIV/AIDS.

Acquired Immunodeficiency Syndrome↗

Untangling the impact of sexual abuse on HIV risk behaviors among youths in foster care.

This study investigates the interrelationships among childhood sexual abuse, other types of child maltreatment, emotional and behavioral problems, and HIV risk behaviors in a sample of 167 adolescents, aged 15-19, participating in an independent living preparation program in one midwestern county. Thirty-three percent of the youths identified as white and 67% as youths of color. The sample was almost evenly split by gender (51% male and 49% female). Thirty-five percent of the youths (n = 59) reported some form of sexual abuse; 21 reported unwanted touching, with no unwanted intercourse, and 38 reported unwanted intercourse. Multivariate analyses demonstrated a significant relationship between the severity of sexual abuse and youths' recent HIV risk behaviors, after accounting for the contribution of other childhood trauma and emotional and behavioral problems. The findings support the need for HIV prevention programs targeting sexually abused youths.

Adolescent↗

Evaluating factors associated with STD infection in a study with interval-censored event times and an unknown proportion of participants not at risk for disease.

Sexually transmitted diseases (STD) are a major cause of morbidity and mortality world-wide. Because of their association with an increased risk of infection with human immunodeficiency virus, the prevention and control of STD are particularly important. Studies designed to evaluate factors associated with the transmission of STD can pose a number of statistical challenges, however. Two such concerns are the interval-censored event times that result from spacing between follow-up test visits, and an unknown proportion of study participants who are not at risk for infection. Researchers in various fields of study have used parametric mixture models to account for individuals not at risk. Owing to non-identifiability concerns within the mixture model framework, however, it is not always possible to distinguish between effects of explanatory variables on the distribution of event times for at-risk individuals and their effects on the probability of being at risk. We address these issues using data from a clinical trial designed to investigate the effectiveness of an intravaginal microbicide in preventing male-to-female transmission of STD. Factors associated with time to infection among at-risk women are initially identified by fitting right-truncated models to the interval-censored event times of participants who tested positive for STD, and hence are known to have been at risk. Subsequently, factors associated with the probability of being at risk are evaluated using mixture models that incorporate information contributed by the right-censored event-free times of uninfected study participants.

Cameroon↗

Effect of sexual practices on T cell subsets and delayed hypersensitivity in transsexuals and female sex workers.

To determine whether ano-receptive unprotected sexual intercourse (SI) practised by transsexuals produces immunological abnormalities we compared delayed hypersensitivity skin tests (DTH) and T cell helper (CD4) and suppressor (CD8) subsets in 57 transsexuals and 69 female sex worker controls. The populations were matched for age, duration of prostitution, number of clients and previous use of antibiotics. Heterosexual males and females and transsexuals who practised protected SI, were also included as controls. All were HIV negative. There were significantly increased absolute CD4 and CD8 counts and decreased DTH and CD4/CD8 ratios in those who practised unprotected ano-receptive SI. These changes were unlikely to be due to any of the microbial agents tested. We conclude that ano-receptive sexual intercourse results in increased immunological abnormalities in these sex workers possibly as a result of rectal exposure to seminal alloantigens. These abnormalities could play an important role as co-factors in disease transmission.

Adult↗