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At least 613 records · Page 34Linked to original sources
PubMed2003

Prevalence of asymptomatic chlamydial urethritis in military recruits in the Celje region, Slovenia.

The aim of this research was to evaluate the prevalence of asymptomatic chlamydial urethritis in military recruits in the Celje region (population 300,000), Slovenia. A first-void urine specimen was tested for Chlamydia trachomatis using the polymerase chain reaction assay. The research was supported by a questionnaire to obtain information on sexual behaviour of the participants. In the cross-sectional study from 1999 to 2001, 1272 asymptomatic recruits were included. None had received antibiotics in the previous two weeks. The mean age was 19.9 years. At the time of their first sexual experience the mean age was 16.6 years, whereas the age of their female sexual partners was 17.1 years. During their first sexual intercourse 77% of recruits used contraception (condom, diaphragm, contraceptive pill), most of those a condom (86%). The prevalence of asymptomatic chlamydial urethritis was 2.6% (95% confidence interval: 1.7 to 3.5). The mean age of those infected was 19.8 years. At the time of their first sexual experience the mean age was 16.2 years, whereas the age of their female sexual partners was 16.9 years. During their first sexual intercourse 57% of infected subjects used protection, half of which was a condom. Those who never or only occasionally used condoms were at a greater risk of being infected with C. trachomatis (adjusted odds ratio 2.04).

Adolescent↗
PubMedDate not supplied

Sexual behavior in Japanese males relating to area occupation, smoking, drinking and eating habits.

Sexual behavior was evaluated in 2228 Japanese males aged from 42 to 94 years of age. They were interviewed individually by well-trained urologists, when mass screening for prostatic diseases was performed. Concerning the first sexual intercourse early could be distinguished by the same characteristics. The age of impotence in office workers and daily smokers was significantly young. Compared with American males in the literature, the characteristic features of sexual behavior in Japanese males were as follows; 1) The age of first sexual intercourse was more than 7 years after that of American males, 2) The frequency of sexual intercourse before 40 years of age was higher, but that after 40 years of age was less, than that of American males, 3) The age at which sexual intercourse was no longer practiced was almost the same in the two countries.

Adult↗
PubMed2002

A case-control study on the relationship between induced abortion and secondary tubal infertility in Vietnam.

The incidence of induced abortion (IA) is high in Vietnam. The purpose of this study is to find out whether IA increases the risk of secondary tubal infertility. A case-control study was conducted at Tu Du Hospital in Vietnam between June and September 2001. Interviews were completed with 67 tubal infertility cases matched by age and residence to 67 controls. The median age of subjects was 34 years old. Proportion of subjects with history of IA was 50.8% and 44.8% for cases and controls, respectively. IA did not significantly increase the risk of secondary infertility. Age of first sexual intercourse was under 20 years old for 29.9% of cases and 9.1% of controls, and it significantly increased the risk of secondary infertility [odds ratio (OR)=3.80]. This study was unable to identify IA as a risk factor of secondary tubal infertility. However, the increased OR for age at first sexual intercourse may imply that being sexually active at an earlier age increases the risk of getting both sexually transmitted diseases and unwanted pregnancies and in turn, increasing the risk of infertility. It is recommended to provide young women and men with the information about health risks related to sexual activity.

Abortion, Induced↗
PubMed2003

Sexual practices of undergraduate students in Tirana, Albania.

AIM: To assess the prevalence of sexual activity among undergraduate students at the University of Tirana, Albania, their age at first sexual intercourse, and the influence of socioeconomic factors on their sexual practices, including condom use. METHODS: An anonymous questionnaire survey was carried out among 720 undergraduate students (77% women) at the University of Tirana in October and November 2002. The questionnaire inquired about their current or previous sexual activity, age at first sexual intercourse, and use of condoms. Socio-demographic data were also collected. Multiple regression analyses were used to assess the associations between socio-demographic factors and the investigated characteristics of sexual practices of Albanian undergraduates. RESULTS: The prevalence of current and/or previous sexual activity was higher among men than women (65% vs 34%, p<0.001). Also, men engaged in sexual activity at earlier age than women (mean age, 17.9 years; 95% confidence interval [CI] 17.6-18.2 for men vs 18.8 years; 95% CI, 18.6-19.1 for women). After adjustment for covariates, both parental high education and high income level were strongly and significantly associated with students' engagement in sexual activity (odds ratio [OR], 3.46; 95% CI, 1.11-9.80 for education; and OR, 2.11; 95% CI, 1.14-3.92 for income) and the likelihood of consistent condom use by students who reported having current or past sexual relations (OR, 8.4; 95% CI, 3.9-18.3 for education; and OR, 7.0; 95% CI, 1.9-26.4 for income). CONCLUSION: Parental education and income level are strongly associated with sexual behavior (engagement in sexual activity and consistent condom use) of Albanian undergraduates in Tirana.

Adolescent↗
PubMed1995

[Contraceptive practices in France].

Between 20 and 44 years of age, in France, two women out of three use contraception; 41% use oral contraception, and 16% the IUD; 5% use condoms, and sterilization remains uncommon. Since 1988, when some information was made about the AIDS epidemics, condoms have become widely used, as a temporary method, especially by young people and people not living as a couple; 59% of women and 83% of men aged 20-24 ever used condom, and half of the women who had their first sexual intercourse during the two last years used condoms.

Adult↗
PubMed2004

Prostitution and other cofactors in preinvasive and invasive lesions of the cervix.

OBJECTIVE: To examine risk factors for preinvasive and invasive lesions of the cervix in Venezuelan female sex workers (FSW). METHODS: A total of 438 FSW were analysed. Each FSW had their clinical history recorded, a gynaecological examination, a Pap smear and a colposcopic examination of the cervix. A cervical biopsy was taken under colposcopic guidance when there was an abnormal epithelium. The statistical methods used were Student's t-test, chi(2) test and logistic regression. RESULTS: The sex workers' mean age was 32.1 +/- 7.9 years old (mean +/- standard deviation). The age of the first sexual intercourse activity for the FSW was 15.9 +/- 2.1 years. Sixty-four of the 84 women (76.2%) who had cervical biopsies had preinvasive and invasive lesions; 41 (9.4%) had cervical intra-epithelial neoplasia (CIN) 1, 12 (2.7%) had CIN 2, eight (1.8%) had CIN 3, two (0.5%) had microinvasive carcinoma, and one (0.2%) had invasive carcinoma. Forty of these 64 women (62.5%) with preinvasive or invasive lesions had a concurrent histological diagnosis of human papilloma virus (HPV) infection (P < 0.0001). The FSW with cervical pathology were younger (P < 0.05) and had their first sexual intercourse earlier (P < 0.02) than FSW with no pathology. Two hundred and seventy-six (63%) of the FSW were current smokers, and 47 of these women (17.6%) had cervical pathology (P < 0.03). CONCLUSIONS: First sexual experience before 20 years of age, cigarette smoking and HPV infection were high-risk factors for preinvasive and invasive lesions of the cervix in Venezuelan FSW.

Adolescent↗
PubMed1999

[Sexual practices in the school milieu].

OBJECTIVE: To appreciate the real sexual practice among students. POPULATION AND METHODS: From 29th April to 10th May 1997, 1,867 students from lower and upper schools have accepted to take part in the investigation being carried on their practice of sexuality. RESULTS: 1,333 students, that is 72% of the group, have already had sexual intercourse. The average age of the very first sexual intercourse was 17 years and the extreme ages range from 8 to 24 years. 72.7% of the students have already had sexual intercourse less once a month, mostly it is by love in 68.6% or by desire in 21.1%. Among more than half of the girl students, that is 59.5%, their partners was students. 31.3% were at least once pregnant. CONCLUSION: The outcome of this study revealed that sexual activity among students is rare and sporadic. It is motivated by love.

Adolescent↗
PubMed1995

Risk factors for HTLV-I among heterosexual STD clinic attenders.

Human T-cell lymphotropic virus type 1 (HTLV-I) status was assessed in 994 patients attending a sexually transmitted disease (STD) clinic in Kingston, Jamaica, between November 1990 and January 1991 for a new STD complaint. Of 515 heterosexual men, 36 (7.0%) were HTLV-I seropositive, as were 38 (7.9%) of 479 women. HTLV-I seroprevalence increased with age in women. A history of blood transfusion was associated with HTLV-I in both sexes, significantly so in men [odds ratio (OR) 4.7, confidence interval (CI) 1.1-17 for men; OR 1.9, CI 0.6-5.0 for women]. Further analysis excluded all persons reporting a transfusion. On multiple logistic regression analysis, independent associations with HTLV-I infection in men were shown for marital status (OR 3.5, CI 1.2-10 for married/common law vs. single/visiting unions), agricultural occupation (OR 9.0, CI 2.0-41), bruising during sex (OR 2.9, CI 1.0-8.1), > or = 15 years at first sexual intercourse (OR 2.9, CI 1.0-8.2), and a positive test for hepatitis B surface antigen (OR 7.3, CI 1.2-52). In women, associations were shown for two or more sex partners in the 4 weeks prior to complaint (OR 4.9, CI 1.8-13), 11 or more lifetime sexual partners (OR 5.9, CI 1.3-27), aged < 15 years at first sexual intercourse (OR 2.3, 1.0-5.4), bruising during sex (OR 2.7, CI 1.1-6.6), microhaemagglutination-Treponema pallidum positivity (OR 3.6, CI 1.6-8.4), and human immunodeficiency virus infection (OR 14, CI 2.1-92).(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1994

Predictors of high-risk behavior in unmarried American women: adolescent environment as risk factor.

BACKGROUND: Heterosexual intercourse with two or more partners in a short time period represents a high-risk behavior for acquisition and transmission of sexually transmitted pathogens (STDs). Identification of factors that may predict high-risk sexual behavior can help to focus primary prevention strategies on women at risk for future acquisition of infection. METHODS: We analyzed survey data obtained in 1988 from a nationally representative sample of 8,450 American women of reproductive age in order to identify such factors. RESULTS: Of all sexually experienced unmarried women, 6.6% reported having had two or more sexual partners in the preceding three months. Earlier age at first sexual intercourse was associated with multiple recent partners, and with lower reports of abstinence. Birth region in the West, lack of attendance at religious services as an adolescent, and having a mother who had her first child before she was 25 years of age were factors associated with multiple recent partners. Among unmarried white women having a mother who worked full time and not living with both parents during adolescence were associated with multiple recent partners; among unmarried black women, the inverse was true (p for racial difference < .05). Multivariate analysis showed western birth region and earlier age at first sexual intercourse to be significant predictors of having multiple recent sex partners. CONCLUSIONS: Early environment and race influence later sexual behavior. These factors should be considered in targeting and planning education for STD prevention.

Adolescent↗
PubMed2003

Adolescent religiosity and sexuality: an investigation of reciprocal influences.

The present study examined potential bi-directional associations between religiosity and first sexual intercourse. The sample, drawn from the National Longitudinal Survey of Youth, included 303 teens (22% Hispanic, 35% Black, 43% White; 53% male) aged 15-16 in 1996 and 17-18 in 1998. All teens included in the sample were virgins at Time 1. In the longitudinal analyses, higher Time 1 religiosity (a composite of importance of religion and frequency of church attendance) was associated with a lower likelihood of first sexual intercourse between Time 1 and Time 2. However, transition to sexual activity between Time 1 and Time 2 was not significantly related to Time 2 religiosity. Thus, results do not support a bi-directional association; instead, it appears that teens with higher levels of religiosity tend to delay sexual involvement more than those with lower levels of religiosity.

Adolescent↗
PubMed1995

An Italian survey on how information campaigns about AIDS have changed contraception in young couples. A sectional study and a comparison with the literature.

The purpose of the present investigation was to ascertain whether adolescent had been sensitized by the campaign against AIDS and if their behaviour regarding the use of contraception had changed accordingly. To this end 2,000 questionnaires (of which 1,554 were returned) were distributed to a population aged 13-20 years, recruited from high schools or sporting centers. The results of our survey, which started in 1992 and lasted 15 months, indicate that after the informative campaigns of 1986, contraceptive habits have changed, and at present, the method predominantly used by teenagers (60.6%) at their first sexual intercourse is the condom. The results of the present study have been compared with those of the literature regarding the years previous to our study. In our investigation, only 18.9% of the interviewed used oral contraception vs. 43.3% and 34.50% of those reported in 1980-85 and 1986-89, respectively. Particularly significant is the fact that 11.6% of teenagers used the condom in addition to oral contraception at their first sexual intercourse. In conclusion, we can assert that AIDS campaigns conducted in Italy, starting from 1986, has resulted in an increase of the use of condoms with respect to other methods of contraception.

Acquired Immunodeficiency Syndrome↗
PubMed2002

Sexual behaviour and early coitarche in a national sample of 17-year-old Swedish boys.

AIM: To describe sexual behaviour as reported by 17-year-old boys in Sweden. METHODS: The national cross-sectional SAM 73-90 questionnaire survey was performed in 1990, and comprised 2% of students and school non-attenders born in 1973. The respondents included 814 students and 92 non-students, response rates 90.6% and 40.2%, respectively. Data from the two groups are treated separately. RESULTS: In the student group, 54.2% of boys had experienced vaginal intercourse and 16.7% were "early starters" with coitarche before 15 y of age. Independent predictors for coital experience were the vocational study programme OR (odds ratio) 1.91 (95% CI 1.31-2.78), early puberty OR 1.69 (95% CI 1.11-2.57), use of tobacco OR 5.32 (95% CI 2.43-11.7) and alcohol OR 4.09 (2.79-5.98). Sexually transmitted infections (STIs) were reported by 4.1% of coitally active student boys, and impregnating a girlfriend by 4.3%. Of the early starters, 14.6% reported having more than 10 sex partners as compared with 2.5% of the later starters (p < 0.0001) and this was predictive of STI, OR 5.4 (95% CI 1.5-19.7). First-date intercourse more than twice was predictive of pregnancy, OR 14.4 (95% CI 3.8-54.5). Among school non-attenders, 74.2% reported coital experience, 33.7% were early starters, and 12.5% had impregnated a girl. CONCLUSION: Boys' early sexual experience was related to early puberty, and to general adolescent risk-taking behaviour. Early coitarche per se was not predictive of STI or pregnancy, but the associated high number of "lifetime" sexual partners and first-date intercourse were predictive factors. School non-attenders constituted a group at risk.

Adolescent↗
PubMed1989

[Risk factors for condylomata. A case control study].

The present study involves 214 patients whose cervical smear showed signs of human papilloma virus infection (HPV), matched with 1042 controls. We demonstrate increasing odds ratio with the total number of sexual partners since first sexual intercourse (p less than 0.0001). Moreover the cases have more often changed partners in the year preceding the diagnosis (odds ratio 2.6 p less than 0.0001). Their male partners more often have occupations that expose them to "extra-conjugal adventures" (p = 0.0005). Using a logistic regression analysis we demonstrate the independence of the masculine and feminine risk factors. After adjustment for age, reason for consulting and marital status the following factors are related to HPV infection: new partner, total number of sexual partners since first sexual intercourse and partner's occupation.

Adult↗
PubMed1993

The role of sexual factors in the aetiology of cervical dysplasia.

The effect of sexual behavior on the risk for cervical dysplasia was evaluated in a case-control study. Cases (n = 257) had a histologically confirmed diagnosis of cervical dysplasia. Controls (n = 705) were sampled from the general population. A postal questionnaire was used to obtain information about, among other things, age at first sexual intercourse, number of sexual partners, current frequency of intercourse and contraceptive use. Information was also collected about other risk factors for cervical dysplasia, in order to adjust for possible confounding. We observed higher risks for cervical dysplasia (mild, moderate and severe) with increasing number of sexual partners. This effect appeared to be dependent on smoking behaviour. For women who reported more than six sexual partners, the adjusted odds ratio (aOR) was 9.1 (95% CI: 3.5-23.7) for non-smokers, and 26.4 (95% CI: 11.8-58.8) for women who smoked > or = 20 cigarettes per day. The effects of age at first sexual intercourse and current frequency of intercourse disappeared after adjustment for other risk factors. Use of oral contraceptives for > 10 years increased the risk (aOR = 2.3; 95% CI: 1.2-4.6). Thus, the number of sexual partners, especially in combination with smoking behaviour, appeared to be the most important risk factor for cervical dysplasia.

Adjuvants, Immunologic↗
PubMedDate not supplied

A comparison of the fertility of Dominican, Puerto Rican and mainland Puerto Rican adolescents.

Data from three fertility surveys are used to examined the probabilities and determinants of adolescent births among Dominican and Puerto Rican women. Young women in the Dominican Republic are the most likely to have had a child by each year of age from 14 through 24, followed by young women on the Island of Puerto Rico; the probability of an early birth is lowest for Puerto Rican women on the U.S. mainland. Eighteen percent of Dominican women have had a child before their 18th birthday, compared with 13% of women living in Puerto Rico, and 10% of Puerto Rican women in metropolitan New York. The cumulative probabilities that Puerto Rican women will have borne a child before their 20th birthday are almost identical, whether the women live on the island or the U.S. mainland, but the difference between Puerto Rican and Dominican women widens. The order is reversed, however, in the analysis of premarital births: The probability of a premarital birth during adolescence is highest for Puerto Rican women in New York, and lowest for Dominican women. In a separate logistic regression analysis, education and age at first sexual intercourse are shown to be important determinants of adolescent fertility in all three populations.

Adolescent↗
PubMedDate not supplied

Correlates of sexually transmitted bacterial infections among U.S. women in 1995.

CONTEXT: Sexually transmitted diseases (STDs) of bacterial origin such as gonorrhea and chlamydial infection can lead to pelvic inflammatory disease (PID) and infertility. Identifying behaviors and characteristics associated with infection may assist in preventing these often asymptomatic diseases and their sequelae. METHODS: Data from 9,882 sexually active women who participated in the 1995 National Survey of Family Growth describe the characteristics of women who report a history of infection with a bacterial STD or of treatment for PID. Multivariate analysis is used to determine which demographic characteristics and sexual and health-related behaviors affect the likelihood of infection or the occurrence of complications. RESULTS: Overall, 6% of sexually active women reported a history of a bacterial STD, and 8% reported a history of PID. Women who first had sexual intercourse before age 15 were nearly four times as likely to report a bacterial STD, and more than twice as likely to report PID, as were women who first had sex after age 18. Having more than five lifetime sexual partners also was associated with both having an STD and having PID. PID was more common among women reporting a history of a bacterial STD (23%) than among women who reported no such history (7%). In multivariate analyses, age, race, age at first intercourse and lifetime number of sexual partners had a significant effect on the risk of a bacterial STD. Education, age, a history of IUD use, douching and a history of a bacterial STD had a significant impact on the risk of PID, but early onset of intercourse did not, and lifetime number of partners had only a marginal effect. CONCLUSIONS: The pattern of characteristics and behaviors that place women at risk of infection with bacterial STDs is not uniform among groups of women. Further, the level of self-reported PID would suggest higher rates of gonorrhea and chlamydial infection than reported.

Adolescent↗
PubMed1995

Alcohol use and contraception in first sexual experiences.

Recent research has suggested that the use of alcohol or drugs in conjunction with sexual intercourse is associated with nonuse of contraception, particularly in first intercourse experiences. This paper reports findings from a nationally representative sample of adolescents and young adults aged 18-30 who were asked a number of questions about the circumstances and characteristics of the first time they had intercourse. Results showed that drinking at the time of first intercourse was more prevalent among those who first had sex prior to 1985; moreover, members of this cohort were less likely to use condoms or other forms of birth control at the time of first intercourse. Drinking was associated with nonuse of contraception only among those who had their first sexual experience prior to 1985. The results are discussed in terms of historical changes in the sexual climate of the AIDS era.

Acquired Immunodeficiency Syndrome↗
PubMed2006

Cross-sectional study on attitudes toward sex and sexual behavior among Japanese college students.

A total of 978 Japanese students, who visited the health services center of a college in Japan for medical check-ups, were asked to anonymously complete a 55-item questionnaire which assessed their attitudes toward sex and sexual behavior. Seven hundred eighty-five Japanese students (80.3%) responded to the questionnaire. In this survey, 90% of male students and 83% of female students indicated that they expected to have sexual intercourse before marriage, while 8% of male students and 3% of female students indicated that it was not wrong to have extramarital sexual intercourse after marriage. In addition, 75% of sexually experienced students reported that they used a condom during their first sexual intercourse, while 73% reported using a condom during their most recent sexual intercourse. The more sexual partners students had had up to the time of the study, the less condom use they reported for both their first and most recent sexual intercourse. The proportion of Japanese students who used a condom is high in comparison to that of students in other countries. However, as students are prone to have sexual intercourse with non-steady, casual partners, more efforts are needed to promote safe sex practices among college students in Japan.

Adolescent↗