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PubMed1996

Male sexual behavior and human papillomavirus DNA: key risk factors for cervical cancer in Spain.

BACKGROUND: It is now established that certain types of human papillomaviruses (HPVs) are the sexually transmitted agents etiologically linked to cervical cancer. Studies assessing the contribution of the male's sexual behavior and genital HPV DNA status to the risk of development of cervical neoplasia in sexual partners have yielded inconsistent results. PURPOSE: This study evaluates the role of men's sexual behavior and the presence of HPV DNA in the penis on the development of cervical cancer in their sexual partners in Spain, a low-risk area for cervical neoplasia. METHODS: Husbands (n = 633) of women participating in two case-control studies of cervical neoplasia were interviewed to obtain information on lifestyle habits, including sexual practices. Cytologic samples were taken from the distal urethra and the surface of the glans penis of 183 husbands of case women and of 171 husbands of control women. These samples were analyzed by a polymerase chain reaction-based system using a generic probe and 25 type-specific probes for the detection and typing of HPV DNA. Serologic specimens were also obtained and analyzed for antibodies to Chlamydia trachomatis, Treponema pallidum, herpes simplex virus type II, and Neisseria gonorrhoeae. RESULTS: The presence of HPV DNA in the husbands' penis conveyed a fivefold risk of cervical cancer to their wives (adjusted odds ratio [OR] for HPV DNA positivity = 4.9; 95% confidence interval [CI] = 1.9-12.6). The risk of cervical cancer was strongly related to HPV type (adjusted OR for HPV type 16 = 9.0; 95% CI = 1.1-77.5), to the husbands' number of extramarital partners (adjusted OR = 11.0; 95% CI = 3.0-40.0; for > or = 21 women versus one), and to the number of prostitutes as extramarital sexual partners (adjusted OR = 8.0; 95% CI = 2.9-22.2; for > or = 10 women versus none). Presence of antibodies to C. trachomatis (adjusted OR = 2.6; 95% CI = 1.4-4.6) and an early age at first sexual intercourse of the husband (adjusted OR = 3.2; 95% CI = 1.7-5.9; for < or = 15 years versus > or = 21 years) were also associated with cervical neoplasia in the wife. After adjustment for these variables and for the wife's pack-years of smoking, the husband's smoking was moderately associated with cervical cancer in his wife (adjusted OR = 2.5; 95% CI = 1.4-4.4; for > or = 26.2 pack-years versus none). CONCLUSIONS: The study supports the role of men as vectors of the HPV types that are related to cervical cancer. Life-time number of female sexual partners, number of female prostitutes as sexual partners, and detection of HPV DNA in the penis of husbands are all surrogate markers of exposure to HPV during marriage. IMPLICATIONS: Men who report multiple sexual partners or who are carriers of HPV DNA may be vectors of high-risk HPV types and may place their wives at high risk of developing cervical cancer. Prostitutes are an important reservoir of high-risk HPVs.

Carcinoma, Squamous Cell↗
PubMed1996

Difficulty in elucidating the male role in cervical cancer in Colombia, a high-risk area for the disease.

BACKGROUND: Epidemiologic evidence has been inconclusive in linking men's sexual behavior and genital human papillomaviruses (HPVs) with cervical cancer risk in their sexual partners in areas with a high incidence of cervical cancer. PURPOSE: This study assesses the role of men's sexual behavior and the presence of penile HPV DNA on the risk of their wives' developing cervical neoplasia in an area in Colombia with a high incidence of cervical cancer. METHODS: A total of 210 husbands of women with cervical intraepithelial neoplasia grade III (n = 118) or invasive squamous cell carcinoma of the cervix (n = 92) and a total of 262 husbands of women recruited as control subjects (173 and 89, respectively) were interviewed. Questionnaires included detailed information on sexual behavior. Exfoliated cells were obtained from the glans penis and from the distal urethra of the penis. The specimens were analyzed for HPV DNA by use of a polymerase chain reaction-based assay that included a generic probe and 25 type-specific probes. Serum specimens were collected and analyzed for antibodies to Chlamydia trachomatis, Treponema pallidum, herpes simplex virus type II, and Neisseria gonorrhoeae. RESULTS: Limited education (adjusted odds ratio [OR] = 4.4; 95% confidence interval [CI] = 1.9-9.8; for no schooling versus secondary or higher education) and presence of antibodies to C. trachomatis (adjusted OR = 2.5; 95% CI = 1.5-4.4) in husbands were the only identified risk factors for cervical neoplasia in their wives. The prevalence of HPV DNA in the penis was 25.7% among husbands of case women and 18.9% among husbands of control women (adjusted OR = 1.2; 95% CI = 0.6-2.3). Neither the lifetime number of female sexual partners (adjusted OR = 1.0; 95% CI = 0.4-2.6; for > 50 partners versus one to five) nor the lifetime number of female prostitutes as sexual partners (adjusted OR = 1.2; 95% CI = 0.7-2.0; for > or = 21 prostitutes versus one to five) was associated with the risk of cervical cancer. CONCLUSIONS: Our results are compatible with the hypothesis that in the population of Cali, whose women are at high risk of developing cervical cancer, exposure to HPV among young men is a common occurrence and is mediated by contacts with large numbers of female sexual partners and prostitutes. These widespread sexual practices limit the power of case-control studies to detect significant associations between men's sexual behavior and the cervical cancer risk in their sexual partners. HPV DNA detection in the penis of adult men is a poor reflection of lifetime exposure or of etiologically relevant exposure to HPV. The role of C. trachomatis in cervical carcinogenesis deserves further investigation. IMPLICATIONS: Further research is needed to elucidate the male's role in cervical carcinogenesis in populations at high risk for cervical cancer. HPV DNA prevalence surveys and studies of the natural history of HPV in young men will be of great value.

Carcinoma, Squamous Cell↗
PubMed1992

Interactions between persons at risk for AIDS and the general population in Denmark.

A nationwide study of sexual behavior was undertaken among 4,680 randomly selected Danes aged 18-59 years. The median number of sexual partners (lifetime) was highest for men aged 30-34 years (eight partners) and for women aged 25-29 years (seven partners). After adjustment for age and sex, having had greater than or equal to 5 sexual partners in the past year was strongly associated with living in larger cities, intravenous drug use, and having sex with a prostitute, a bisexual man, an intravenous drug user, or a resident of sub-Saharan Africa. The frequency of ever having had anal intercourse was highest among women aged 20-34 years (range, 27%-36%) and was independently associated only with increasing number of sexual partners (lifetime). Overall, 2.7% of men reported any homosexual experience, among whom most (88%) had also had heterosexual intercourse. Prostitute contact (ever) was reported by 13% of all men and was associated with a high educational level, a history of travel, a greater number of sexual partners, and intravenous drug use. Overall, sexual contact with someone considered at high risk of human immunodeficiency virus (HIV) infection (a homosexual/bisexual man, intravenous drug user, prostitute, or sub-Saharan African resident) was reported by 15.9% of men and 4.8% of women. Among active blood donors (past year), 12.5% of men and 4.0% of women had engaged in potentially risky behavior. HIV testing was deliberately sought more often by respondents exposed to someone at increased risk of HIV infection (10.6%) than by those unexposed (6.5%, p less than 0.01). Exposure to persons at risk of HIV infection is considerable in Denmark. The majority of persons who have had potential exposure to HIV have not yet been tested for HIV.

AIDS Serodiagnosis↗
PubMed1996

Age of wife as a major determinant of male-to-female transmission of HIV-2 infection: a community study from rural West Africa.

OBJECTIVE: To examine whether proviral load is important for transmission between spouses, since we have previously found that the proviral load of HIV-2 predicts the severity of infection. DESIGN: Proviral load was examined in 121 HIV-2-infected adults in a rural area of Guinea-Bissau. For the 68 subjects who had a spouse of known HIV status the risk of the spouse being infected was examined. METHODS: Statistical methods for dependent data were used, because several couples were polygamous. RESULTS: Twenty-seven HIV-2-infected men had 52 current wives of whom 17 (33%) were HIV-2-seropositive. Forty-one HIV-2-infected women had 36 current husbands of known HIV serostatus; nine (25%) were HIV-2-positive. In univariate analyses, concordance of female partners of HIV-2-infected men increased with a previous history of prostitution, age of wife, lack of age difference between the spouses, number of previous husbands, number of wives of the man, and the proviral load. The only significant predictor of concordance in multivariate analyses when wives with a history of prostitution were excluded was an age of 45 years or older [odds ratio (OR), 8.68; 95% confidence interval (CI), 2.34-32.22]. This tendency was not explained by the length of current marriage. Although husbands with a high proviral load were more likely to have concordant spouses than those with a low proviral load (< 20 copies/10(5) CD4 cells), this association was not statistically significant (OR, 2.59; 95% CI, 0.90-7.46). Among spouses of HIV-2-infected women, none of the examined factors, including previous prostitution or proviral load in the woman, predicted whether the husband was HIV-2-infected. CONCLUSIONS: Women appear to be more susceptible to HIV-2 infection after 40-45 years of age. The apparent change in susceptibility may be a major reason for the distinctive age pattern of HIV-2 infection observed in West Africa.

Adolescent↗
PubMed1999

Cofactors for the acquisition of HIV-1 among heterosexual men: prospective cohort study of trucking company workers in Kenya.

OBJECTIVE: To determine the prevalence, incidence, and correlates of HIV-1 infection in a cohort of east African trucking company employees. METHODS: HIV-1-seronegative trucking company employees were enrolled in a prospective cohort study and evaluated at 3 monthly intervals for HIV-1 seroconversion, sexually transmitted diseases, and sexual behavior. RESULTS: The baseline seroprevalence of HIV-1 among 1500 trucking company employees was 17.8%. Among 752 HIV-1-seronegative men who were followed, the HIV-1 annual seroincidence was 3.1%. In univariate analysis, HIV-1 acquisition was associated with age under 25 years, 10 years or less of sexual activity, occupation as a driver/driver's assistant, occupational travel for more than 14 days per month, religion other than Christian or Muslim, uncircumcised status, sex with a prostitute, sex with a girlfriend/casual partner, extramarital sex, and enrollment seropositivity to Treponema pallidum, Haemophilus ducreyi, and Herpes simplex virus type 2 (all P values < or = 0.05). Using multivariate analysis, HIV-1 acquisition was independently associated with 10 years or less of sexual activity (hazard rate ratio (HRR) 2.0, 95% confidence interval (CI) 1.0-4.3), occupation as a driver/driver's assistant (HRR 3.9, 95% CI 1.7-9.0), religion other than Christian or Muslim (HRR 6.1, 95% CI 1.4-25.7), uncircumcised status (HRR 2.3, 95% CI 1.0-5.0), and unprotected sex with a prostitute (HRR 2.8, 95% CI 1.1-7.0). CONCLUSIONS: Trucking company employees had a high HIV-1 seroprevalence rate at enrollment and a high HIV-1 seroincidence during follow-up. Risk factors for HIV-1 seroconversion included years of sexual activity, occupation, religion, uncircumcised status, and unprotected sex with a prostitute. This population is an appropriate target for HIV-1 prevention trials and behavioral interventions.

Adolescent↗
PubMedDate not supplied

Prevalence of antibody to HTLV-III/LAV in a population attending a sexually transmitted diseases clinic.

To determine whether HTLV-III/LAV is transmitted to men by heterosexual contact and whether contact with prostitutes plays a role in such transmission, a serosurvey was conducted in clinics for sexually transmitted diseases in New York City. Two hundred ninety-five male heterosexual nonusers of intravenous drugs were studied. Antibody to HTLV-III/LAV was found in sera from ten men (3.4%); this rate is approximately 15 times the prevalence found in healthy blood donors. Seropositivity was associated with serologic evidence of syphilis (odds ratio, 11.2; 95% confidence interval, 2.1-52) and hepatitis B infection (odds ratio, 9.1; 95% confidence interval, 2.0-55). Antibody to HTLV-III/LAV was not associated with self-reported exposure to prostitutes (odds ratio, 0.8; 95% confidence interval, 0.08-4.2). These findings suggest heterosexual transmission of HTLV-III/LAV to men but fail to implicate contact with prostitutes as a mode of such transmission.

Acquired Immunodeficiency Syndrome↗
PubMedDate not supplied

Seroepidemiologic study of hepatitis C virus in sexually transmitted disease risk groups.

To identify the importance of heterosexual activity as a possible route for the transmission of the hepatitis C virus (HCV), a screening of antibodies against HCV (anti-HCV) was performed in 200 sexually transmitted disease patients with different risks for incurring genital infections as well as in 100 registered prostitutes. Out of all 300 persons tested, 14 cases of HCV infection were detected. Anti-HCV was present in 3 of the prostitutes and in 11 of the STD patients. Evaluating known risk factors, such as intravenous drug use or blood transfusion, 6 out of the 11 STD patients and all of the prostitutes in whom anti-HCV was present were intravenous drug users and exhibited highly promiscuous behavior. Intravenous drug use was the probable means of acquisition in 9 of the 14 subjects in whom anti-HCV was present, and homosexual promiscuous behavior was assumed to be the means of acquisition in another 2 subjects. In heterosexual patients engaging in high-risk behavior (high number of sexual partners and genital infections), the exclusion of intravenous drug use decreased the prevalence of anti-HCV from 12.1% to 4.1%, demonstrating no significant increase from the prevalence among low-risk persons. Most of the patients were screened for STDs, such as syphilis, Neisseria gonorrhoeae, Chlamydia trachomatis, human immunodeficiency virus (HIV), hepatitis B virus (HBV), trichomoniasis, and yeast infections. The highest rate of coinfection with anti-HCV was found in patients with serologic evidence of an HIV infection (50%).(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMedDate not supplied

Risk factors for sexually-transmitted diseases among deployed U.S. military personnel.

BACKGROUND AND OBJECTIVES: Information regarding risk factors for STD transmission is needed to assist in designing and evaluating prevention and control programs for US military populations. GOAL OF THIS STUDY: To obtain STD risk factor data among deployed U.S. military personnel. STUDY DESIGN: A questionnaire survey was administered to military personnel deployed aboard ship for six months to South America, West Africa, and the Mediterranean during 1989-1991. RESULTS: Among 1,744 male subjects (mean age, 23 years; 71% white; 96% enlisted), 49% reported prior sexual contact with a prostitute and 22% reported a history of a STD before deployment. During the subsequent six-month deployment, 42% reported sexual contact with a prostitute, 10% reported inconsistent use of condoms, and 10% acquired a new STD. By logistic regression analysis, sexual contact with a prostitute during deployment was independently associated with young age, nonwhite race/ethnicity, and being unmarried or divorced; inconsistent use of condoms was associated with Hispanic race/ethnicity. CONCLUSION: These data indicate that deployed U.S. military personnel frequently engage in high-risk sexual behavior and that there is a continued need for comprehensive and culturally-sensitive STD prevention programs.

Adolescent↗
PubMed1984

Comparison of microscopy, culture and enzyme immunoassay (Gonozyme) for the detection of Neisseria gonorrhoeae in urogenital specimens.

Urogenital specimens of male patients and female prostitutes were examined for gonorrhoea in a gonococcal antigen enzyme immunoassay (Gonozyme), by microscopic examination of stained smears and by bacterial culture. Out of 18 male patients, 14 showed positive reactions (all 14 by Gonozyme and by microscopy, but only eight by culture also). The sensitivity and specificity of Gonozyme was 100% in reference to microscopy. The predictive value for a positive test and for a negative test was 100%. The sensitivity of Gonozyme in reference to culture was also 100%, but the specificity was only 40%, because of the low yield of positive cultures. The predictive value for a positive test was 57% and for a negative test 100%. Out of 189 female prostitutes, 41 (22%) had a positive reaction in at least one test (Gonozyme, microscopy and culture were positive in 10; Gonozyme and culture in three; Gonozyme and microscopy in 14; Gonozyme alone in 11; culture alone in three). The sensitivity of Gonozyme was 100% and specificity 92% in reference to microscopy. The predictive value for a positive test was 63% and for a negative test 100%. In reference to culture, the sensitivity was 81% and specificity 86%. The predictive value for a positive test was 34% and for a negative test 98%. In prostitutes, the rate of asymptomatic infections was 14%, if one assumed that all Gonozyme-positive results were truly positive. Gonozyme proved to be the most sensitive method for screening female patients. To discriminate possibly false positive reactions, Gonozyme-positive specimens should be corroborated, preferably by bacterial cultivation.

Antigens, Bacterial↗
PubMed2004

A continuum of risk? The management of health, physical and emotional risks by female sex workers.

This paper describes the findings from a 10-month ethnographic study of the female sex industry in a large British city. I argue that sex workers construct a continuum of risk which prioritizes certain types of dangers depending on the perceived consequences and the degree of control individuals consider they have over minimising the likelihood of a risk occurring. Although health-related matters are a real concern to many women, because they generally have comprehensive strategies to manage health risks at work, this risk category is given a low priority compared with other risks. The risk of violence is considered a greater anxiety because of the prevalence of incidents in the sex work community. However, because of comprehensive screening and protection strategies to minimise violence, this type of harm is not given the same level of attention that emotional risks receive. By using a continuum of risk to understand how sex workers perceive occupational hazards in prostitution, further understanding can be gained about the nature of risk in prostitution, sex workers' routines and the organisational features of the sex industry. In addition, the implications for health policy are discussed, suggesting that the emotional consequences of selling sex should be considered as much as the tangible, physical risks of prostitution.

Adolescent↗
PubMed1992

Acquired immunodeficiency syndrome: knowledge and attitudes of nurses in Northern Ireland.

The number of people suffering from conditions associated with HIV infection is growing steadily. These people require care from nurses who should be well trained to undertake all the various aspects of nursing care. Surveys have indicated that health professionals associate AIDS with minority groups such as homosexuals, drug-abusers and prostitutes. Incidents of sub-optimal nursing care of AIDS patients, or suspected AIDS patients belonging to these minority groups, have been well documented. Surveys have revealed much ignorance and confusion among the general public as well as among health professionals with regard to this controversial syndrome. This study aimed to measure nurses' knowledge and attitudes towards homosexuals, drug-abusers and prostitutes, who through their lifestyle are at increased risk for HIV infection. Questionnaires were distributed to a random sample of 800 nurses in Northern Ireland. The sample was stratified by several demographic variables. A response rate of almost 60% was achieved. Nurses appeared to have a moderate knowledge of issues related to HIV infection, but there were large gaps in their knowledge of the terminology used in HIV infection. Nurses were not extremely worried about AIDS itself. However, homosexuals, prostitutes and drug-abusers were seen to be at least partly responsible for their own illness. Implications for nursing care and for nurse education are discussed.

Acquired Immunodeficiency Syndrome↗
PubMed1993

Taking a chance on love: risk behaviour of Sydney street youth.

Two samples of street youth from the inner city area of Sydney, ranging in age from 13 to 20, with a mean of 17, were surveyed via a lengthy questionnaire. The first survey in 1989/90 (n = 92; 66 males, 26 females) revealed high levels of physical and sexual abuse; violence and negative relationships as major factors in leaving home; safe sexual practice not common (other than for those prostituting); polydrug use widespread and heavier for females; some needle sharing by injecting drug users (IDU). Second survey, 190/91 (n = 100; 70 males, 30 females), confirmed previous picture, but found changes in immunodeficiency virus (HIV) risk behaviours: needle sharing reduced; for those prostituting an increase in safe sexual practices with clients; reduction in regular safe sexual practices with non-paying partners. IDU was significantly linked to prostitution as was needle sharing. Some changes are in an encouraging direction, but more preventive work is needed focusing on safe behaviours with non-paying partners and how to initiate and negotiate these. More qualitative or ethnographic research could better inform such efforts and, indigenous strategies deserve recognition.

Adolescent↗
PubMed2005

Interaction of legislation and prevalence of sexually transmitted diseases with focus on syphilis and gonorrhoea in the Czech Republic - review to year 2003.

INTRODUCTION: A large increase in syphilis prevalence was noted in the Czech Republic during the last decade. It was associated with prostitution in cities and especially in areas bordering more economically developed countries. Foreigners account for more than 50% of this increase. Absence of legislative regulations contributes to this situation. OBJECTIVE: To demonstrate the necessity of setting sexually transmitted disease (STD) fighting priority in the Czech Republic. METHODS: The authors review the development of legislation related to STDs in the context of geopolitical changes and the epidemiological situation in the Czech Republic by relating epidemiological, geopolitical and economic data. RESULTS: Venereal-diseases-related regulatory codes have existed in the Czech Republic for years; however, they became fragmented in several regulations and often do not have the status of law. It is a consequence of the transformation of the entire state health care delivery system to a private system. The treatment of foreigners, refugees and uninsured people is a major problem. CONCLUSION: It is necessary to focus on special populations, such as homeless people, immigrants and prostitutes. It is desirable to strengthen international cooperation in combating STD as well as prostitution. Relevant legislation should be introduced to correlate the existing regulations and bring them up to date.

Czech Republic↗
PubMed1987

Sexually transmitted viral infections in various population groups in Mogadishu, Somalia.

The prevalence of serum antibodies to human immunodeficiency virus (HIV), herpes simplex virus (HSV), and cytomegalovirus (CMV) and of hepatitis B virus (HBV) markers was investigated in different population groups, including prostitutes, in Mogadishu, Somalia. Hepatitis B surface antigen (HBsAg) was detected in 37% of pregnant women, 4% of neonates, 22% of educated women, and 20% of prostitutes. No significant difference between the groups was observed for HBV. In contrast to figures reported from South East Asia, the prevalence of hepatitis Be antigen (HBeAg) was 18% in prostitutes and only 3% in all other HBsAg positive subjects. The prevalence of antibodies to HSV (100%) and CMV (90%) was very high, but antibodies against HIV were not detected in any of 471 sera. As the routes of transmission for HBV and HIV infections are considered to be similar, HIV will probably spread rapidly in Somalia once this virus has been introduced into the country.

Acquired Immunodeficiency Syndrome↗
PubMed1991

Prevalence of sexually transmitted pathogens among women attending a methadone clinic in Israel.

OBJECTIVE: To assess the prevalence of sexually transmitted pathogens in drug-addicted women in Tel Aviv, Israel. DESIGN: A prospective study conducted between March and July 1987. SETTING: A methadone clinic in Tel Aviv, Israel. SUBJECTS: Sixty four asymptomatic female drug addicts were studied; 38 of them were declared practising prostitutes. METHODS: Cervical specimens were obtained for cultures, and blood samples were drawn for serological tests. Demographic data and sexual histories were obtained using a standard questionnaire. RESULTS: Chlamydia trachomatis was detected in the cervix of 25% of women; 98% had antibody titres (greater than 1:64). Mycoplasma hominis and Ureaplasma urealyticum were isolated in 57% and 65% respectively. Gardnerella vaginalis was detected in 17% of women, and herpes simplex virus was cultured from two prostitutes. Five per cent of women were carriers of HBsAg, while 57% had HBSs and/or HBc antibodies. Only one prostitute had specific treponemal antibodies. In no case were gonococci or group B streptococci isolated, and HIV serology was invariably negative. CONCLUSION: Chlamydia and genital mycoplasmas appear to be the prevailing pathogens in Israeli drug-addicted women, while gonococci and Treponema pallidum occur only rarely.

Adult↗
PubMed1991

Seroepidemiological study of gonorrhoea in Ethiopian women. 2. Socioeconomic picture.

OBJECTIVES: To determine aetiological factors associated with the prevalence of gonorrhoea in Ethiopian women to enable subsequent formulation of intervention policies. SUBJECTS: 1851 Ethiopian women: 50% symptomatic, 50% asymptomatic. SETTING: Gynaecological outpatient departments, antenatal, postnatal and family planning clinics (Ethiopian Family Guidance Association (EFGA)), in two teaching hospitals and a mother and child health centre in Addis Ababa, Ethiopia. METHODS: Using the indirect haemagglutination test with gonococcal pilus antigen, sera were tested for the presence of gonococcal antibodies indicating past or present infection. The socioeconomic facts were analysed against gonococcal seropositivity of these women. RESULTS: Gonococcal infection was associated with very early age at first marriage and first coitus, more than one sexual partner and marital status/profession. The highest prevalence and titres were found in bargirls (100%) prostitutes (89%) and sellers of local beer (85%). The lowest prevalence and titres were found in the highest income group, those married over the age of 18 years, those with only one husband or sexual partner, and those with a sexual life of less than 5 years duration. CONCLUSIONS: National measures which could contribute to reduction and control of gonorrhoea include effective raising of the age of first marriage and first coitus, as has already been defined by law; the education of all girls up to fifth grade or equivalent; the provision of financial support to prevent widows and divorcees from drifting into prostitution; regular health checks and treatment of prostitutes; and education of men. While gonorrhoea per se is a major public health problem, our findings must have serious implications in the wider context of possible transmission of HIV through the community.

Adolescent↗
PubMed1992

Seroepidemiological and socioeconomic studies of genital chlamydial infection in Ethiopian women.

OBJECTIVE: To measure the prevalence of chlamydial genital infection in Ethiopian women attending gynaecological, obstetric and family planning clinics; to identify the epidemiological, social and economic factors affecting the prevalence of infection in a country where routine laboratory culture and serological tests for chlamydial species are unavailable; to determine the risk factors for genital chlamydial infection in those with serological evidence of other sexually transmitted diseases. SUBJECTS: 1846 Ethiopian women, outpatient attenders at two teaching hospitals and a mother and child health centre in Addis Ababa, Ethiopia. SETTING: Gynaecological outpatient department, antenatal, postnatal and family planning clinics. METHODS: Sera were tested for type-specific anti-chlamydial antibodies using purified chlamydial antigens (C. trachomatis A-C (CTA-C), C. trachomatis D-K (CTD-K), Lymphogranuloma venereum (LGV1-3), and C. pneumoniae (CPn)), in a micro-immunofluorescence test. The genital chlamydia seropositivity was analysed against patient's age, clinic attended, ethnic group, religion, origin of residence, age at first marriage and first coitus, income, number of sexual partners, duration of sexual activity, marital status/profession, obstetric and contraceptive history, and seropositivity for other sexually transmitted diseases. RESULTS: Overall exposure to chlamydia species was found in 84%, genital chlamydial infection in 62%, and titres suggestive of recent or present genital infection in 42% of those studied. Genital chlamydial infection was highest (64%) in family planning and lowest (54%) in antenatal clinic attenders. Exposure to genital chlamydia species was influenced by ethnic group and religion. Those married and sexually active under 13 years of age had greater exposure (69%) to genital chlamydial infection than those first sexually active aged over 18 (46%). Prevalence of infection was highest in those with more than five sexual partners (78%) and in bargirls (84%). The lowest income groups had a higher prevalence (65%) of genital chlamydial infection than the wealthiest (48%). Multivariate analysis showed the most important factors to be age at first coitus, religion, prostitution and present age of the woman in that order. Risk for genital chlamydial infection was increased in those with seropositivity for syphilis, gonorrhoea, HSV-2 but not HBV infection. CONCLUSION/APPLICATION: Chlamydial genital infections are highly prevalent in both symptomatic and asymptomatic Ethiopian women. The high prevalence of infection reported reflects a complexity of socioeconomic factors: very early age at first marriage and first coitus, instability of first marriage, subsequent divorce and remarriage or drift into prostitution, all of which are influenced by ethnic group, religion and poverty--together with transmission from an infected group of prostitutes by promiscuous males to their wives, lack of diagnostic facilities and inadequate treatment of both symptomatic and asymptomatic men and women. The problem of chlamydial disease in Ethiopia needs to be addressed urgently in the context of control of STD.

Adult↗
PubMed1994

Declining rates of gonorrhoea and syphilis in Strasbourg, France: a 20-year study.

OBJECTIVE: To report the epidemiology of gonorrhoea and syphilis during the years 1973-1992 in the Strasbourg STD clinic and to discuss the data in the light of changes in STD rates in western countries. DESIGN: Retrospective analysis of gonorrhoea and syphilis cases recorded annually, total number of consultations, HIV serology, STD among prostitutes. SETTING: Strasbourg, Bas-Rhin, FRANCE. SUBJECTS: Patients attending the public STD clinic in Strasbourg. RESULTS: From 1973 to 1992 79,786 consultations were recorded. Since 1984, a regular fall has been noted, from more than 4500 consultations a year in the 1970s, to 1519 consultations in 1992. A major decline in gonorrhoea was observed, especially since 1984. There were 457 new cases in 1973 (15.3% of all patients) whereas only seven new cases in 1992 (0.8% of all patients). Syphilis has been declining regularly since 1979, with a reinforcement in this decline since 1984: 168 cases were recorded in 1972 (6.4% of all patients), and only two cases in 1992 (0.2% of all patients). Positive HIV tests were found in 14% and 12% of patients in 1985-86, and the positivity rate has regularly decreased to reach 0.6% in 1992. Prostitutes represented 9.2% of all patients in 1980, and only 0.8% of patients in 1992. Since 1987, syphilis and gonorrhoea have been rarely recorded among prostitutes. CONCLUSIONS: A dramatic decline in both gonorrhoea and syphilis has been observed in Strasbourg, especially since 1984, with a parallel diminution in the STD clinic frequentation. A comparable trend in gonorrhoea rates was noted in many western countries, but syphilis rates are more heterogeneous among geographic areas. Changes in sexual behaviour due to the AIDS epidemic are probably responsible in part for this decline, but nevertheless the rarity of gonorrhoea and syphilis in Strasbourg in 1992 is not clearly explained.

Female↗