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PubMed1994

Condom use rates for specific sexual behaviors among opioid abusers entering treatment.

A structured interview was used to determine the details of high risk sexual behaviors, including number of sexual partners, frequency of condom use, and involvement in commercial sexual activity in 165 opioid abusers (mean age 34 years, 36% minority, 47% female) entering out-patient methadone substitution therapy. The median number of sexual partners in the sample was one, and 95% were sexually active in the past year. Most patients (84%) denied any commercial sexual activity and reported rates of monogamy and sexual abstinence (81%), and rates of condom use (15%), that were comparable with reports from general population surveys. However, intravenous drug abusers (IVDAs) remain at higher risk for exposure to HIV-1 because they are likelier to have sexual contact with other IVDAs and former IVDAs. Continuing efforts are needed to improve the safe sex practices of IVDAs, but it may be a significant challenge to reduce their high risk sexual behavior considerably below that of the general population. Concomitant drug abuse treatment may help in efforts to accomplish sexual behavior change.

Adult↗
PubMed2002

The association between axis I and II psychiatric symptoms and high-risk sexual behavior during adolescence.

This study was conducted to investigate the association between psychiatric disorders and high-risk sexual behavior among adolescent primary care patients. Interviews assessing anxiety, conduct, depressive, eating, substance use, and personality disorders (PDs), as well as histories of sexual behavior were administered to 119 male and 284 female adolescent primary care patients. Results indicated that, after co-occurring psychiatric disorders were controlled statistically, adolescents with elevated PD symptom levels were more likely than adolescents without elevated PD symptom levels to report a high number of sexual partners during the past year and during their lifetime. Adolescents with a history of conduct disorder were more likely than adolescents without such a history to report a high number of lifetime unsafe sexual partners. Elevated antisocial, dependent, and paranoid PD symptom levels were associated with high-risk sexual behavior after co-occurring psychiatric disorders were controlled. Further, certain specific antisocial, borderline, dependent, histrionic, narcissistic, obsessive-compulsive, paranoid, and schizotypal PD symptoms were independently associated with high-risk sexual behavior after co-occurring psychiatric disorders and overall PD symptom levels were controlled. The association between overall PD symptom levels and the number of sexual partners was significantly stronger among the females than among the males in the sample. Increased recognition and treatment of PDs, coupled with increased recognition of high-risk sexual behavior may facilitate the prevention of sexually transmitted diseases and teenage pregnancy among adolescents.

Adolescent↗
PubMed2002

AIDS-related risk among adolescent males who have sex with males, females, or both: evidence from a statewide survey.

OBJECTIVES: This study examined the prevalence of AIDS-related risk behaviors among adolescent males with female, male, and both-sex sexual partners and explored factors related to these behaviors. METHODS: Three waves of a population-based survey provided data on male high school students: 3065 with only female sexual partners, 94 with only male partners, and 108 with both. Logistic regression analyses were used to examine AIDS-related outcomes. RESULTS: Youths with any same-sex experience reported less school AIDS education. Bisexual experience predicted multiple sexual partners, unprotected intercourse, sexually transmitted disease, and injection drug use. School AIDS education and condom instruction predicted less AIDS-related risk. CONCLUSIONS: Bisexually active adolescent males report especially high levels of AIDS risk behavior. School-based AIDS prevention should address the needs of all sexually active youths.

Adolescent↗
PubMed2007

Sex of experimenter and social norm effects on reports of sexual behavior in young men and women.

Past studies indicate that men generally report having had more sexual experience and sexual partners than women, as well as an earlier age at first intercourse. At least some of these findings may partially reflect different responses to certain contextual variables in research. College students (266 men and 463 women) were asked to anonymously report their sexual attitudes and behavior after reading one of three fictitious statements about research findings regarding gender differences in sexuality. Some past findings were replicated, with men reporting somewhat more sexual experience and more permissive sexual attitudes than women. However, women reported a significantly younger age at first intercourse than did men. While there was no significant sex difference for total number of sexual partners, there was a significant interaction. With female research assistants (but not with male assistants), men reported more sexual partners when they were told that women are now more sexually permissive than men. This finding appeared to be largely a function of the men who scored higher on measures of hypermasculinity and ambivalent sexism. Women's reports were not significantly affected by the wording of the cover sheet, regardless of the sex of the research assistant. Even in this anonymous survey, the sex of the experimenter and the nature of the statement about research findings had an impact on the sex differences that were found. In light of these results, some previous conclusions about male-female differences in sexual behavior may need to be examined more closely.

Adult↗
PubMedDate not supplied

Risk factors for HPV DNA detection in middle-aged women.

BACKGROUND AND OBJECTIVES: Strong epidemiologic evidence indicates that human papillomavirus (HPV) is the main etiologic factor of cervical cancer. A few cohort studies suggest that most HPV infections are transient in young women and that persistent HPV infections are more common in older women. Little is known about the determinants of persistent HPV infections. The present study was aimed at increasing our knowledge about these determinants. GOALS: To identify risk factors for genital HPV DNA detection among cytologically normal middle-aged women. STUDY DESIGN: Eight hundred ten women who participated as control subjects in three case-control studies on cervical cancer in Spain, Colombia, and Brazil were included in this study. After an interview, women underwent a gynecologic examination with collection of exfoliated cells for a Papanicolaou smear and HPV DNA detection. Human papilloma virus DNA was detected by polymerase chain reaction (PCR)-based hybridization techniques. RESULTS: The HPV positivity rate was 10.5% in the whole population, but was higher in the areas with high incidence of cervical cancer (17% in Brazil and 13% in Colombia) than in Spain (4.9%), which is a low-risk area for cervical cancer. Age was related to the prevalence of HPV DNA in Brazil, but not in Spain and Colombia. In univariate analyses in all three countries, the prevalence of HPV DNA was positively associated with the number of lifetime sexual partners and inversely associated with the levels of family income and with age at first sexual intercourse. There was four times increase in the odds ratio (OR) of HPV infection in women who had six or more lifetime sexual partners compared with those with one or less. The use of any kind of contraceptive tended to decrease the OR for HPV detection. Their ORs ranged from 0.44 (barrier methods) to 0.48 (oral contraceptives). In Spain and Colombia, antibodies against Chlamydia trachomatis were positively associated with the prevalence of HPV DNA. In a final multivariate model, the positive associations with lifetime number of sexual partners, socioeconomic status, and C. trachomatis persisted. CONCLUSIONS: These results support the sexual transmission of HPV and suggest that socioeconomic status and antibodies to C. trachomatis are independent predictors of HPV detection in middle-aged cytologically normal women.

Adult↗
PubMed1984

Cluster of cases of the acquired immune deficiency syndrome. Patients linked by sexual contact.

The possibility that homosexual men with the acquired immune deficiency syndrome (AIDS) had been sexual partners of each other was studied. Of the first 19 homosexual male AIDS patients reported from southern California, names of sexual partners were obtained for 13. Nine of the 13 patients had sexual contact with one or more AIDS patients within five years of the onset of symptoms. Four of the patients from southern California had contact with a non-Californian AIDS patient, who was also the sexual partner of four AIDS patients from New York City. Ultimately, 40 patients in 10 cities were linked by sexual contact. On the basis of six pairs of patients, a mean latency period of 10.5 months (range seven to 14 months) is estimated between sexual contact and symptom onset. The finding of a cluster of AIDS patients linked by sexual contact is consistent with the hypothesis that AIDS is caused by an infectious agent.

Acquired Immunodeficiency Syndrome↗
PubMed2003

Sexual sensation seeking, reduced concern about HIV and sexual risk behaviour among gay men in primary relationships.

Gay and bisexual men who indicated they were currently in a primary relationship with another man (N = 230) completed measures of HIV treatment attitudes, sexual risk behaviour and sexual sensation seeking. Results indicate non-primary partner sexual activity is common in many gay relationships and men in non-exclusive relationships possessed greater levels of sexual sensation seeking and treatment-related reduced concern about the dangerousness of HIV than men in exclusive relationships. Results also suggest that individuals who were members of HIV-seroconcordant relationships were more likely to engage in unprotected sexual activity with their primary sexual partners than gay men who were members of HIV-discordant couples. A series of regression analyses revealed that reduced concern about HIV mediated the relationship between sexual sensation seeking and sexual risk behaviour. The next generation of HIV prevention interventions must address the attitudinal shifts that have occurred among some gay men regarding the seriousness of HIV and should be sensitive to the dynamics of gay relationships.

Adult↗
PubMed1994

Attitudes, knowledge, and behavior regarding condom use in urban black adolescent males.

This study was conducted to determine male adolescent behavior, attitudes, and knowledge concerning the use of condoms. Subjects were 241 sexually active black adolescent males attending an inner-city adolescent medicine clinic who were surveyed using a structured interview technique. Factors associated with condom use included higher grade level, > or = 2 sexual partners in the past six months, communication about contraception with sexual partner(s), desire for sexually transmitted disease (STD) prevention when contracepting, and parental suggestion to use condoms. Variables not associated with condom use included older age, minimal level of knowledge about condom use, history of having impregnated a partner or of having contracted an STD, desire for pregnancy prevention, suggestion by friends to use condoms, or partner dissatisfaction with condoms. Using multivariate logistic regression analysis, the following variables in combination were able to correctly classify respondents as condom users or nonusers in 74% of cases: higher knowledge score, reported communication about contraception with one's partner(s), > or = 2 partners in the past six months, and higher socioeconomic status. These findings suggest that, for the study population, interventions directed toward improving knowledge about condoms, school achievement, and communication with parents and partners may be effective in increasing condom use.

Adolescent↗
PubMed2001

The association of foster care or kinship care with adolescent sexual behavior and first pregnancy.

OBJECTIVE: Each year more than 500 000 children enter out-of-home placement. Few outcome studies of these children specifically address high-risk sexual behavior and adolescent pregnancy. Our study investigated the relationship between living in kinship or foster care and high-risk reproductive behaviors in a nationally representative sample of women. METHODS: Data from 9620 women ages 15 to 44 years in the 1995 National Survey of Family Growth were analyzed in a cross-sectional study. Three groups-foster (n = 89), kinship (n = 513), and comparison (n = 9018)-were identified on the basis of self-reported childhood living situations. Bivariate and multiple linear regression analyses were performed. The outcome variables were age at first sexual intercourse and at first conception and the number of sexual partners. RESULTS: After adjustment for multiple predictor variables, foster care was associated with younger age at first conception (difference: 11.3 months) and having greater than the median number of sexual partners (odds ratio: 1.7, 1.0-2.8). Kinship care was associated with younger age both at first intercourse (difference = 6 months) and at first conception (difference: 8.6 months) and having greater than the median number of sexual partners (odds ratio: 1.4, 1.1-1.8). There were no differences between the kinship and foster groups. CONCLUSIONS: A history of living in either foster or kinship care is a marker for high-risk sexual behaviors, and the risk is comparable in both out-of-home living arrangements. Recognition of these risks may enable health care providers to intervene with high-risk youth to prevent early initiation of sexual intercourse and early pregnancy.

Adolescent↗
PubMed2006

Men and intimate partner rape: characteristics of men who sexually abuse their partner.

This article explores men's use of sexual violence against their intimate partner. Although there is a growing body of information about men's use of physical violence, there is less data about men's sexual violence in intimate partnerships. Data were collected from 229 men who were enrolled in an intervention program for men who abuse. Of men in this study, 53% had sexually assaulted their partner at least one time. This article will address the ways in which this sample of men sexually abused their partner and the connection between physical and sexual abuse within their relationships.

Adult↗
PubMed2003

Sex in Australia: heterosexual experience and recent heterosexual encounters among a representative sample of adults.

OBJECTIVE: To describe numbers of opposite-sex partners, experiences of different heterosexual behaviours, and recent heterosexual experiences among a representative sample of Australian adults. METHODS: Computer-assisted telephone interviews were completed by a representative sample of 10,173 men and 9,134 women aged 16-59 years from all States and Territories. The response rate was 73.1% (69.4% among men and 77.6% among women). RESULTS: Men reported more sexual partners than women over their lifetime, in the past five years and in the past year. 15.1% of men and 8.5% of women reported multiple sexual partners in the past year. Reporting multiple opposite-sex partners was significantly associated with being younger, identifying as bisexual, living in major cities, having a lower income, having a blue-collar occupation, and not being married. All but a handful of respondents' most recent heterosexual encounters involved vaginal intercourse and condoms were used in one-fifth of these sexual encounters. Anal intercourse was very uncommon during respondents' most recent heterosexual encounters. CONCLUSION: Patterns of heterosexual experience in Australia are similar to those found in studies of representative samples in other countries. IMPLICATIONS: There may be a need for interventions targeted at people with multiple sexual partners to promote safer sexual behaviour and to reduce the likelihood of transmission of HIV and other sexually transmitted infections.

Adolescent↗
PubMed1996

Issues of disclosure and condom use in adolescents with hemophilia and HIV. Hemophilia Behavioral Evaluative Intervention Project Staff.

PURPOSE: To examine the patterns, facilitators, and barriers to disclosure of HIV seropositivity in an adolescent population and to determine the relationship between disclosure and condom use. BACKGROUND: In recent years, public health efforts have focused on methods to prevent the transmission of the Human Immunodeficiency Virus (HIV). These efforts have included safer sex education, skill building and self-efficacy training, behavioral change techniques, and encouragement of serostatus disclosure to sexual partners. In 1990, the Centers for Disease Control and Prevention (CDC) funded 10 hemophilia treatment centers to develop and implement a theory-based behavioral intervention to prevent the sexual transmission of HIV. METHODS: A baseline survey, focusing on barriers to safer sex, the influence of parents, peers, and sexual partners, alcohol and drug use, and communication and disclosure patterns, was administered to 321 young males (ages 12 to 25) with hemophilia and HIV. RESULTS: Fifty-eight percent of the sexually experienced adolescents did not disclose their HIV status to their most recent sexual partners (i.e., nondisclosers) compared to 42 percent who reported that either they informed their partners or their partners already knew their HIV status (i.e., disclosers). There was no correlation between disclosure and condom use. The most significant predictor of disclosure was the perception that peers would disclose their HIV status. CONCLUSION: The results suggest that disclosure does not necessarily facilitate condom use in this population. This conclusion may have implications for future public health efforts in HIV prevention. Rather than focusing primarily on the promotion of serostatus disclosure, behavioral interventions should emphasize the practice of safer sex, utilizing peer educators and support networks.

Adolescent↗
PubMed2004

Sexual behaviour of young people in international tourist resorts.

BACKGROUND/OBJECTIVES: Increasingly, young people travel abroad to experience nightlife in international resorts. Although media coverage of such resorts suggests high levels of sexual activity, little empirical data are currently available. We have measured: 3 year trends in sexual behaviour of young people visiting Ibiza, levels of sexual risk taking, and their relation to substance use. Additionally, in 2002 we identified levels of homosexual sex and sexual interactions between UK residents and individuals from other countries. METHODS: Data were collected from visitors to Ibiza between 2000 and 2002 just before they left the island. Information on sexual health was surveyed using a short anonymous questionnaire. RESULTS: Over half of individuals (56.0%) visiting Ibiza had sex with at least one person, with 26.2% of males and 14.5% of females having sex with more than one individual. However, of those arriving without sexual partners (75.5%) just under half (47.5%) have sex in Ibiza and most of these (62.4%) always used condoms. Having any sex abroad was associated with using illicit drugs and having more sexual partners in the 6 months before visiting Ibiza. However, having unprotected sex or sex with more than one person was associated with smoking as well as having higher numbers of sexual partners before their visit. Overall, 8.6% of individuals had sex with a non-UK resident in Ibiza although such individuals were no more likely to have sex without condoms. CONCLUSIONS: Substantial numbers of individuals visiting international nightlife resorts have unprotected sex with people they meet while abroad. This poses an increasing threat to the sexual health of UK residents but as yet little attention has been paid to developing interventions that might reduce sexual risk taking among young people holidaying abroad.

Adolescent↗
PubMed1989

Sexual, reproductive and contraceptive risk factors for carcinoma-in-situ of the uterine cervix in Sydney.

Sexual, reproductive and contraceptive risk factors were investigated in a matched community-based case-control study of carcinoma-in-situ of the uterine cervix in Sydney. The risk was related strongly to the number of sexual partners: women who had had seven or more sexual partners in a lifetime had a six-fold increased risk compared with those with one or no partner. Early age at first sexual intercourse was also a risk factor, but this effect was reduced substantially after adjustment for the number of partners, with only a two-fold excess risk persisting for those with first intercourse before the age of 16 years as compared with those whose first sexual intercourse was at the age of 25 years or later. The long-term use of oral contraceptive agents was associated with an elevated risk (relative risk, 2.3 for more than six years of use); this effect was maintained for both oestrogen and progestogen doses. The risk increased with the number of induced abortions that had been undergone (relative risk, 2.2 for two or more abortions), but this effect was not statistically significant. A protective effect was found for women who had had a tubal ligation, for those who practised the rhythm method of birth control, and for women who breastfed. It is possible that these reduced risks may relate to unmeasured variables of life-style.

Adolescent↗
PubMed1999

A theoretical model of the evolution of virulence in sexually transmitted HIV/AIDS.

INTRODUCTION: The evolution of virulence in host-parasite relationships has been the subject of several publications. In the case of HIV virulence, some authors suggest that the evolution of HIV virulence correlates with the rate of acquisition of new sexual partners. In contrast some other authors argue that the level of HIV virulence is independent of the sexual activity of the host population. METHODS: Provide a mathematical model for the study of the potential influence of human sexual behaviour on the evolution of virulence of HIV is provided. RESULTS: The results indicated that, when the probability of acquisition of infection is a function both of the sexual activity and of the virulence level of HIV strains, the evolution of HIV virulence correlates positively with the rate of acquisition of new sexual partners. CONCLUSION: It is concluded that in the case of a host population with a low (high) rate of exchange of sexual partners the evolution of HIV virulence is such that the less (more) virulent strain prevails.

Acquired Immunodeficiency Syndrome↗
PubMed2005

Coercive sexual experiences and subsequent human papillomavirus infection and squamous intraepithelial lesions in adolescent and young adult women.

PURPOSE: The purpose of this study was to examine the associations between coercive sexual experiences and subsequent human papillomavirus (HPV) infection and/or squamous intraepithelial lesion (SIL) in adolescent and young adult women, and to determine whether risk behaviors mediate and sociodemographic factors moderate any observed associations. METHODS: Data were obtained from a longitudinal cohort study of female university students (N = 608). chi2 and Wilcoxon rank-sum tests were used to determine associations between history of a coercive sexual experience and subsequent risk behaviors, and between risk behaviors and HPV or SIL. Logistic regression models were used to determine whether a coercive sexual experience was associated with HPV or SIL and whether the association was mediated by risk behaviors and/or moderated by sociodemographic factors. RESULTS: Twenty-two percent of participants reported a prior coercive sexual experience. Report of a prior coercive sexual experience was associated with a higher lifetime number of sexual partners (p < .0001), which in turn was associated with subsequent HPV infection (p < .0001) and SIL (p < .0001). In logistic regression models, coercive sexual experience was associated significantly with HPV (odds ratio [OR], 1.84; 95% confidence interval [CI], 1.19-2.84) and at a marginal significance level with SIL (OR, 1.90; 95% CI, .97-3.70). When the number of sexual partners was included in the first model, the association between coercive sexual experience and HPV infection became nonsignificant and the beta coefficient decreased by 49%. Race and age did not appear to moderate the association between coercive sexual experience and HPV. CONCLUSIONS: The number of sexual partners is an important mechanism through which adolescent and young adult women who report a coercive sexual experience acquire HPV.

Adolescent↗
PubMedDate not supplied

Hepatitis C virus seroprevalence and risk factors among patients with HIV infection.

The objective of this study was to evaluate the prevalence and risk factors associated with HCV infection in a group of HIV seropositive patients. We analyzed the medical records of 1,457 patients. All patients were tested for HCV infection by third generation ELISA. Whenever possible, a sample of the positive patients was also tested for HCV by PCR. HCV positive patients were analyzed according to their risk factors for both infections. The prevalence of anti-HCV positive patients was 17.7% (258 patients). Eighty-two (82) of these patients were also tested by PCR and 81 were positive for HCV virus (98%). One hundred fifty-one (58.5%) were intravenous drug users (IDU); 42 (16.3%) were sexual partners of HIV patients; 23 (8.9%) were homosexual males; 12 (4.7%) had received blood transfusion; 61 (17.5%) had promiscuous sexual habits; 14 (5.4%) denied any risk factor; 12 (4.7%) were sexual partners of IDU. Two hundred four patients mentioned only one risk factor. Among them, 28 (10.9%) were sexual partners of HIV-positive patients. Although intravenous drug use was the most important risk factor for co-infection, sexual transmission seemed to contribute to the high HCV seroprevalence in this group of patients.

Adult↗
PubMed2003

Sexual factors and prostate cancer.

OBJECTIVE: To assess whether prostate cancer might be related to hormone levels and, by inference, to differences in sexual activity. PATIENTS, SUBJECTS AND METHODS: In a case-control study of men with prostate cancer aged < 70 years at diagnosis and age-matched control subjects, information was collected on two aspects of sexual activity; the number of sexual partners and the frequency of total ejaculations during the third to fifth decades of life. RESULTS: There was no association of prostate cancer with the number of sexual partners or with the maximum number of ejaculations in 24 h. There was a negative trend (P < 0.01) for the association between risk and number of ejaculations in the third decade, independent of those in the fourth or fifth. Men who averaged five or more ejaculations weekly in their 20s had an odds ratio (95% confidence interval) of 0.66 (0.49-0.87) compared with those who ejaculated less often. CONCLUSIONS: The null association with the number of sexual partners argues against infection as a cause of prostate cancer in this population. Ejaculatory frequency, especially in early adult life, is negatively associated with the risk of prostate cancer, and thus the molecular biological consequences of suppressed or diminished ejaculation are worthy of further research.

Adult↗