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PubMed1991

Sexual interest, activity, and satisfaction among male nursing home residents.

Structured interviews were conducted with all male residents (n = 116) of a Veterans Affairs Nursing Home to gather information on sexual interest, preference, activity levels, satisfaction, and distress. We excluded males with severe cognitive impairment, leaving a sample of 61. Of these, 30 had partners. Sexual interest was significantly higher among those with partners (p = 0.014), although those without partners reported that their interest would have been higher if they had a sexual partner. Sexual preference was strongly in favor of vaginal intercourse, regardless of the presence or absence of a partner. Among those with partners, coitus was reported to occur at least monthly by 17%, and other forms of sexual activity (e.g. hugging, kissing) were practiced at least monthly by 73%. Sexual satisfaction was high, and distress with relative sexual inactivity was remarkably low. We found age, functional status, and intercourse frequency to correlate positively with sexual satisfaction, whereas marital status, cognitive function, libido, and frequency of kissing were positive correlates of sexual distress. Institutionalized elderly males remain sexually interested, especially in coitus, and may benefit from counseling and home visits when a partner is available.

Adult↗
PubMedDate not supplied

Epidemiology of trichomonas vaginalis. A prospective study in China.

BACKGROUND AND OBJECTIVES: Trichomonas vaginalis infection is probably one of the most common sexually transmitted diseases. The epidemiology of this disease has long been ignored, and not much is known about its natural history and risk factors. GOALS: The authors conducted this study to define the incidence rates of T. vaginalis infection and to investigate risk factors for the infection. STUDY DESIGN: A prospective study was carried out on a cohort of 16,797 women followed up from 1974 to 1985 within the framework of a cervical screening program in Jingan, China. Personal interviews were conducted by trained interviewers. RESULTS: A total of 1489 new cases of T. vaginalis infection were diagnosed with 132,946 person-years of observation. In a multivariate analysis, the increased risk was associated with multiple sexual partners (P = 0.0124) and greater number of induced abortions (P = 0.0028). The relative risks were 1.3 (95% confidence interval [CI], 1.1 to 1.5) for smokers and 1.5 (95% CI, 1.2 to 2.0) for those who drink alcohol. An inverse relationship was observed in older women and in women with cervical atrophy. CONCLUSIONS: This study confirmed the relationship between T. vaginalis and multiple sexual partners and suggests that the risk for T. vaginalis also may be related to life-style risk factors.

Adult↗
PubMed1997

Risk contexts and risk behaviors in the Euregion Maas-Rhein: the Boule de Neige intervention for AIDS prevention among drug users.

Using targeted sampling, self-reported data of 1,767 drug users in the Euregion Maas-Rhein were collected over 3 years. Forty-two percent of the injection drug users shared syringes with sexual partners and 47.8% with friends. Eighty-one percent of the total sample had sexual contact in the last 6 months, half of whom with one person and half with two or more. Significant predictors of high-risk drug use were injecting in the presence of others, injection onset before the age of 20, female gender, and not living in The Netherlands. Participation in needle exchange or methadone programs and sufficient knowledge of risk factors was not significantly related to a reduction of high-risk drug use behavior. High-risk sexual behavior was found to be related to male gender, under the age of 30 and to multiple sexual partners. We conclude that in a social context where needle exchange, methadone programs, and sufficient knowledge of risk factors among the drug user population exist, AIDS prevention can be improved through behavioral skills training and developing specific interventions that target the peer group environments, rituals, partner relationships, and lifestyles of drug users.

Acquired Immunodeficiency Syndrome↗
PubMed2000

First episodes of genital herpes in a Swedish STD population: a study of epidemiology and transmission by the use of herpes simplex virus (HSV) typing and specific serology.

OBJECTIVES: To determine the proportion of herpes simplex virus type 1 (HSV-1) and HSV type 2 (HSV-2) in first episodes of genital herpes. To evaluate the use of HSV specific serology for classifying first episodes of genital herpes and for defining HSV serostatus in the patients' sexual partners. METHODS: 108 consecutive patients with first episodes of genital herpes seen at three STD clinics in Sweden from 1995 to 1999 were included in the study. HSV culture and typing were performed and serum was tested for antibodies against a type common HSV antigen and a type specific HSV-2 antigen, glycoprotein G2 (gG2). A structured interview including questions about sexual behaviour and sexual partners was taken. "Steady" partners were offered a blood test for HSV serology and counselling. RESULTS: Of 108 patients, 11 had a negative HSV culture. Of the 97 who were HSV culture positive, 44% (43/97) were typed as HSV-1 and 56% (54/97) as HSV-2. For 86 of these 97 patients, HSV serology from the initial visit was available. Of 52 primary infections, thus initially seronegative, 64% were HSV-1 infections and of 19 female primary infections 16 (84%) were HSV-1. In 17% the first episode of genital herpes corresponded to the first clinical recurrence of an infection acquired earlier in life. There was a significant correlation between having orogenital sex and being infected with HSV-1 and also a history of labial herpes in the partner. Only 20% of partners of patients with an HSV-2 infection had a history of genital herpes. CONCLUSIONS: Almost half of first episodes of genital herpes are caused by HSV-1. In young women with a primary genital infection, HSV-1 is much more frequent than HSV-2. Besides HSV typing, we found specific HSV serology of value for classifying first episodes and for diagnosing a subclinical HSV-2 infection in partners. Anamnestic data supported the suggestion that the orogenital route of transmission was common in genital HSV-1 infections.

Adolescent↗
PubMed1994

Risk factors for invasive cervical cancer in Kenyan women.

BACKGROUND: Few epidemiological investigations of invasive cervical cancer have been conducted in Sub-Saharan African populations. METHODS: Using information collected as part of the hospital-based World Health Organization (WHO) Collaborative Study of Neoplasia and Steroid Contraceptives, we examined potential risk factors for invasive cervical cancer among Kenyan women. In all 112 women with histologically confirmed invasive cervical cancer diagnosed at the Kenyatta National Hospital, Nairobi, Kenya, between June 1981 and September 1988 and 749 control subjects were included in the present analyses. All women were interviewed regarding their medical and reproductive history, methods of birth control, and history of sexual relationships and sexually transmitted infections. Multiple logistic regression procedures were used to derive maximum likelihood estimates of adjusted odds ratios (OR) and 95% confidence intervals (CI). RESULTS: After adjusting for age, several factors were found to be associated with invasive cervical cancer. These include multiple sexual partners, early age at first sexual intercourse (OR = 1.9 and 2.6 for women reporting first intercourse at age 16-17 years and < 15 years, respectively, compared to women with first intercourse > or = 18 years), history of abnormal vaginal discharge (OR = 13.8, 95% CI: 8.3-23.0), and history of gonorrhoeal infection (OR = 3.2, 95% CI: 1.6-6.2). Low educational attainment and multiparity were also associated with the risk of invasive cervical cancer. Although the Papanicolaou smear has been extensively used as a screening method for cervical cancer in many countries, only three cases and four controls reported ever having a Papanicolaou smear (2.6% cases and 0.5% of controls). CONCLUSIONS: As has been observed in other parts of the world, cervical neoplasia in Kenya appears to be a late consequence of venereally transmitted carcinogenic agents.

Adolescent↗
PubMed2001

HIV transmission risk among sub-Saharan Africans in London travelling to their countries of origin.

Migrant black African communities bear the brunt of heterosexual HIV/AIDS epidemic in the UK. This study confirms the close links that exist between UK resident black Africans and their countries of origin. A total of 43% of men and 46% of women visited their home countries within the last five years. While there, men were more likely than women to have acquired a new sexual partner. Previous diagnosis with a sexually transmitted disease, and the use of condoms at last intercourse were independently associated with this practice. This represents a potential risk of HIV transmission, and highlights an area for targeted health promotion within these communities.

Africa South of the Sahara↗
PubMed1994

Antibody to herpes simplex virus type 2 as serological marker of sexual lifestyle in populations.

OBJECTIVES: To examine the epidemiology of antibody to herpes simplex virus type 2 and to assess its suitability as a serological marker of sexual behaviour in populations with high and low prevalences. DESIGN: Cross sectional survey. SETTING: Department of genitourinary medicine and blood donation centre in central London. SUBJECTS: Representative sample of 869 patients attending department between November 1990 and December 1991, and 1494 consecutive blood donors attending for donation between February and April 1992. METHOD: Participants had a blood sample taken for antibody testing with a novel type specific assay and completed a questionnaire. RESULTS: Prevalence of antibody differed significantly between the two groups (188/833 (22.7%) clinic attenders; 102/1347 (7.6%) blood donors). In both populations antibody was strongly associated with sex, sexual orientation, years of sexual activity, number of lifetime sexual partners, and past infection with sexually transmitted diseases after other factors were controlled for. Only 130 (45%) of all those with antibody had symptoms suggestive of genital herpes, and 79 (27.4%) had had genital herpes diagnosed. Of those without antibody to herpes simplex viruses type 1 and 2, 8.0% reported genital blisters or sores and 1.1% had had genital herpes diagnosed by a doctor. CONCLUSIONS: The strong relation between herpes simplex virus type 2 and sexual lifestyle suggests that the presence of antibody to the virus may be suitable for use as an objective, serological marker of patterns of sexual behaviour in different populations. These data show that only a minority of those infected with herpes simplex virus type 2 have a diagnosis of genital herpes or express clinical symptoms, making serological determinants of infection essential for epidemiological studies.

Adolescent↗
PubMed2005

National character and sexual behavior.

Citizens of 22 nations which were rated as more extraverted had more sexual partners and had their first sexual encounter at a younger age than those in nations who were rated as less extraverted.

Adolescent↗
PubMedDate not supplied

Epidemiology of genital herpes - recent advances.

Genital herpes is a common, distressing infection which, due to increasing incidence world-wide, has become a prominent public health issue over recent years, even throughout the decade of human immunodeficiency virus (HIV). Since the late 1970's, the prevalence of herpes simplex virus type 2 (HSV-2) infection has increased by approximately 30 percent in the US. The number of sufferers world-wide is currently estimated at approximately 86 million people. New serological methods based on the detection of type-specific antibodies to herpes simplex virus (HSV) glycoproteins have clarified issues concerning the true incidence of genital herpes, the modifying effect of prior HSV-1 infections, the changing proportions of HSV-1 genital herpes, and the importance of asymptomatic shedding. Patients' ignorance of their diagnosis along with the occurrence of atypical symptomatology and asymptomatic viral shedding of HSV all contribute to the transmission of genital herpes. Genital ulcer disease, of which genital herpes is the most common cause in developed countries, is an important risk factor in the acquisition and transmission of human immunodeficiency virus (HIV) infection and has contributed to the spread of this disorder. Risk factors for genital herpes HSV-2 are strongly related to lifetime number of sexual partners, number of years of sexual activity, male homosexuality, black race, female gender and a history of previous sexually transmitted diseases (STD). Understanding the epidemiology of genital herpes is of great importance in limiting the spread of this STD. In this review, we summarise current knowledge related to the epidemiology of genital herpes.

Age Factors↗
PubMed2000

Baseline STD prevalence in a community intervention trial of the female condom in Kenya.

OBJECTIVE: We present baseline sexually transmitted disease (STD) prevalence rates from an ongoing intervention trial at Kenyan agricultural sites. METHODS: After gaining the cooperation of management, we identified six matched pairs of tea, coffee, and flower plantations and enrolled approximately 160 women at each site. Six intervention sites received an information programme and distributed female and male condoms, while six control sites received male condoms only and similar information about them. At clinic visits, we tested participants for cervical gonorrhoea (GC) and Chlamydia trachomatis (CT) by ligase chain reaction on urine specimens, and Trichomonas vaginalis (TV) by culture. The study has 80% power to detect a 10% prevalence difference during follow up, assuming a combined STD prevalence of 20%, 25% loss to follow up and intracluster correlation coefficient (ICC) of 0.03. RESULTS: Participants at intervention and control sites (total 1929) were similar at baseline. Mean age was 33 years, the majority were married, more than half currently used family planning, 78% had never used male condoms, and 9% reported more than one sexual partner in the 3 months before the study. Prevalences of GC, CT, and TV were 2.6%, 3.2%, and 20.4% respectively (23.9% overall), and were similar at intervention and control sites. The ICC for STD prevalence was 0.0011. Baseline STD was associated with unmarried status, non-use of family planning, alcohol use, and more than one recent sexual partner, but the highest odds ratio was 1.5. CONCLUSIONS: Baseline results confirm a high prevalence of trichomoniasis and bacterial STD at these Kenyan rural sites. Improved STD management is urgently needed there. Our ongoing female condom intervention trial is feasible as designed.

Adolescent↗
PubMed1996

Epidemiological evidence of cervical intraepithelial neoplasia without the presence of human papillomavirus.

The aim of this paper was to provide epidemiological evidence to support the notion that cervical intraepithelial neoplasia (CIN) without human papillomavirus (HPV) is a true entity. If a diagnosis of HPV-negative cervical neoplasia is erroneous, one would not expect there to be any differences in risk factors between HPV-positive and HPV-negative patients. Patients at a gynaecological outpatient clinic of a university hospital [a total of 265 consecutive women with dyskaryotic cervical smears who were subsequently diagnosed with CIN I (n=37), CIN II (n=48) or CIN III (n=180)] completed a structured questionnaire regarding smoking habits and sexual history. Analysis of an endocervical swab for Chlamydia trachomatis, analysis of a cervical scrape for HPV, and morphological examination of cervical biopsy specimens were also performed. HPV was found in 205 (77.4%) out of the 265 women. Univariate analysis showed that current age (P=0.02), current smoking behaviour (P=0.002) and the number of sexual partners (P=0.02) were significantly associated with the presence of HPV. Age at first sexual intercourse, a past history of venereal disease or genital warts, and current infection with Chlamydia trachomatis were not associated with the presence of HPV. Using multivariate logistic regression analysis, the number of sexual partners and current smoking behaviour showed an independent significant association with HPV. HPV-negative and HPV-positive CIN patients differ with respect to the risk factors for HPV. These findings suggest that HPV-negative CIN is a separate true entity.

Adult↗
PubMed1994

HIV seroconversion in intravenous drug users in San Francisco, 1985-1990.

OBJECTIVE: To examine the HIV seroconversion rate, risk factors for seroconversion, and changes in risk behavior over time in intravenous drug users (IVDU) in San Francisco, 1985-1990. DESIGN: Observational study. SETTING: All methadone maintenance and 21-day methadone detoxification programs in San Francisco. PARTICIPANTS: A total of 2351 heterosexual IVDU, of whom 681 were seronegative at first visit and seen at least twice ('repeaters'). MAIN OUTCOME MEASURES: HIV seroconversion rates, risk factors for seroconversion, and changes in behavior. RESULTS: The HIV seroconversion rate in repeaters was 1.9% per person-year (ppy) of follow-up [2.1% in women versus 1.7% in men (not significant); 4% in African Americans versus 1% in whites (P = 0.006); 3.9% ppy in the first third of the study, 1.2% in the second (P = 0.007), and 1.9% in the last (not significant)]. Risk factors for seroconversion were five or more sexual partners per year [hazard ratio (HR) = 2.6; P = 0.02], use of shooting gallery ever (HR = 2.9; P = 0.02), and less than 1 year (lifetime) in methadone maintenance (HR = 2.7; P = 0.02). Self-reported intravenous cocaine use fell from 33 to 15% over 5 years, shooting gallery use fell from 19 to 6%, and the proportion with five or more sexual partners fell from 25 to 10%. Bleach use rose to 75% of needle-sharers. CONCLUSIONS: The 1985-1990 HIV seroconversion rate in IVDU (1.9% ppy) was comparable to that in San Francisco cohorts of homosexual men (1.4% ppy). A decline in HIV seroconversion coincided with changes in risk behavior. Stable attendance of methadone maintenance was highly protective: the seroconversion rate in subjects with 1 year or more in methadone was 12% ppy.

Adult↗
PubMedDate not supplied

Partner notification and the control of human immunodeficiency virus infection. Two years of experience in San Francisco.

To evaluate partner notification of opposite-sex sexual partners of AIDS patients as a means of limiting sexual and vertical transmission of human immunodeficiency virus (HIV), the authors examined the first 27 months of their experience with partner notification. Overall, of 145 AIDS patients eligible to participate, 51 (35%) were interviewed and identified 135 opposite-sex sexual partners. Of the 135 partners, 59 (44%) were interviewed and 34 (25%) were tested, resulting in the diagnosis of 7 (5%) HIV-infected partners. Refusal rates for index patients and partners were low (9% and 12%, respectively). Costs for the program were $454 per partner interviewed and $2,203 per seropositive partners identified. The authors conclude that although partner notification is more expensive than more widely targeted AIDS prevention and education efforts, its ability to target case finding, education, and counseling to women at highest risk of infection makes it potentially cost-effective for prevention of vertically transmitted HIV infection.

Contact Tracing↗
PubMed1996

Longitudinal study of the effects of pregnancy and other factors on detection of HPV.

OBJECTIVE: An epidemiologic study of 108 pregnant and 192 non-pregnant women was carried out to determine the effects of pregnancy and other factors on the detection of HPV infection, since both or larger numbers of pregnancies and HPV infection are known to be risk factors for cervical cancer. PATIENTS AND METHODS: Study participants were followed up at 3-months intervals for a period of 15 months (1-6 months after delivery). At each visit, two cervical specimens were taken, one for routine cytology and a second for HPV DNA hybridization using Virapap/Viratype, and a 5-ml blood sample was taken and a self-administered questionnaire was completed. RESULTS: In cervical specimens of the initial examination, HPV DNA was detected among 5.0% of pregnant and 5.2% of nonpregnant women, whereas HPV 16/18 was found in 80% of the HPV-positive specimens. Using multiple cervical specimens taken over time, 13.9% of the pregnant and 15.1% of the nonpregnant women tested positive for HPV DNA at least once. Adjusted for study group, age, and the number of available cervical specimens, ever detection of HPV infection (any type) was associated with more sexual partners and larger numbers of cigarettes smoked daily. An autoregressive generalized linear model was used to analyze the time-dependent multiple observations per study subject. Adjusting for age and trimester of pregnancy, the determinants of detecting high-risk HPV types (16/18 and 31/33/35) in the cervical specimen were an abnormal Pap smear, a positive HPV result in a preceding specimen, more than six sexual partners in the lifetime, and currently smoking more than 20 cigarettes per day with odds ratios of 10.9, 5.6, 3.2, and 2.7, respectively. CONCLUSION: Our data provide no evidence for a higher detection rate of HPV during pregnancy.

Adult↗
PubMed1997

Determination of factors associated with condom use among women infected with human immunodeficiency virus.

To better understand potential barriers to condom use and the sexual behaviour of women infected with human immunodeficiency virus (HIV), an anonymous self-administered survey was performed on a convenience sample of 83 predominantly single HIV+ women. Most women had only one sexual partner who usually knew of the subject's serostatus. Only a minority of partners (26%) were known to also be HIV infected. Subjects were surprisingly more likely to use condoms with their main partner as opposed to other partners. Factors found to be associated with condom non-use included younger age, low education level, partner HIV+, history of a sexually transmitted disease (STD), and use of drugs or alcohol during sex. Although most subjects indicated the decision was mutual when deciding not to use a condom, 20% stated it a was a partner decision. Future intervention efforts should target these identified high-risk individuals and optimally involve the partners of HIV-infected women.

Adolescent↗
PubMedDate not supplied

Crack cocaine use in rural migrant populations: living arrangements and social support.

Correlates of crack cocaine use were studied among a targeted sample of migrant workers and their sexual partners (n = 571) in rural Southern Florida. Employment among men and recent drug-user treatment among men and women are positively related to crack use, as is involvement in crime and prostitution. Among women but not men, living with children is negatively related to crack use. Drug use and HIV prevention programs should intervene with individuals and their families and social groups. Migrant workers and their sexual partners also need effective drug-user treatment with long-term relapse prevention services.

Adult↗
PubMed1989

Transmission of genital herpes by donor insemination.

This report describes a donor in a therapeutic donor insemination program who asymptomatically acquired a primary herpes simplex virus type 2 (HSV-2) infection from his long-standing sexual partner. His fresh semen was used to inseminate two HSV-seronegative recipients; in one a primary HSV-2 infection developed, and in one it did not. Direct evidence of transmission from donor to recipient was documented by restriction enzyme analysis of the HSV-2 isolates obtained from the donor's semen and from the recipient's cervix. Because of the possibility of asymptomatic acquisition and transmission of HSV-2, semen donors and their sexual partners should undergo serologic screening for genital herpes using new, type-specific HSV serologic techniques.

Adult↗
PubMed1994

Repeatability of interview-derived information on sexual history: a study in women.

We assessed the repeatability of interview-derived information on age at first sexual intercourse and number of sexual partners in women participating in an ongoing prospective study of genital human papillomavirus infection in Toronto, Canada. Of the 100 study participants invited to attend for re-interview twice during their first year in the study, 74 attended for the first follow-up interview about 5 months after recruitment, and 28 of these 74 subjects attended for a second interview about 4 months later. For both age at first sexual intercourse and number of sexual partners, intraclass correlation coefficients were high, ranging from 0.94 to 0.98. Repeatability differed a little by human papillomavirus status, but not by levels of other relevant factors.

Adolescent↗