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PubMed1988

Sexual and reproductive life events in relation to duration of oral contraceptive use.

In order to disclose differences between users and non-users of oral contraceptives (OC), 620 women aged 15-54 were invited to participate in an in depth interview about sexual, contraceptive, and reproductive life events. Of the 585 women who participated, 459 were consecutive gynecological in- or outpatients, and 126 were selected from visitors in general practice. Data was analysed by multivariate test statistics. After correction for present age and social class, the duration of use of OC (DOC) among women 15-34 years of age correlated negatively to age at menarche and coital debut and positively to number of sexual partners, oral-genital sexual practice, and number of pelvic inflammatory diseases. Among women over 35, DOC was positively associated only to cigarette smoking. No correlation was found to coital frequency (whether earlier, present or during pregnancy or menstruation), number of births and abortions, or to social classification. In epidemiological research on benefits and risks of oral contraceptives, confounding influence of one or more variables is of crucial importance. The present findings point at sexual and life-style habits as potential confounders in the study of OC and associated diseases.

Adolescent↗
PubMedDate not supplied

Contraceptive use at first premarital intercourse: United States, 1965-1988.

The proportion of U.S. women who used a contraceptive method at their first premarital intercourse rose from 47 percent in 1975-1979 to 65 percent in 1983-1988. Overall, and among non-Hispanic white women, this change resulted entirely from an increase in the use of condoms by their partners. The proportion of whites who used a condom at first premarital intercourse, for example, increased from 24 percent to 45 percent. Among blacks, condom use at first intercourse increased from 24 percent to 32 percent during that period, and pill use rose from 15 percent to 23 percent. Among all women, the method most often used at first intercourse during every period in the study was the condom, followed by the pill and withdrawal. The proportion of women using a method at first premarital intercourse varies strikingly according to individual characteristics. Among the various demographic subgroups, the proportion who use a method varies from 32 percent of Hispanic women to 68 percent of Jewish women. Whites are more likely to use a method than are blacks, and fundamentalist Prostestants are less likely to use a method than are other Protestants or Catholics. The proportion using a method is higher among women whose mothers completed high school than among those whose mothers did not. In addition, the proportion rises with age at first intercourse. Multiple logistic regression showed that the independent effects of Hispanic origin, Jewish or fundamentalist Protestant religious affiliation and the education of a woman's mother are large and significant.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1991

The response of American women to the threat of AIDS and other sexually transmitted diseases.

Using data from the National Survey of Family Growth, we observe that large numbers of American women say that they are responding to the rising danger of AIDS and other sexually transmitted diseases. Among the changes reported in the 1988 National Survey of Family Growth are use of condoms, sexual relations with fewer partners, reduced frequency of sexual intercourse, changes in specific sexual activities, and avoidance of sex with unknown men, bisexual men, and intravenous drug users. Interviews with a sample of the 51 million sexually active women aged 15-44 in the United States show that 28% report either that they have adopted less hazardous sexual practices or that their partners have used condoms to prevent disease. Among women exposed to higher risk of disease, the response is even greater: among unmarried women with five or more lifetime partners, 65% report modified behavior or condom use. Most of these changes occurred after the women heard of AIDS. However, there are still many women who report doing nothing to protect themselves against infection despite sexual and contraceptive behavior that appears to put them at high risk.

Acquired Immunodeficiency Syndrome↗
PubMed1998

The incidence of HIV infection among women using family planning methods in Dar es Salaam, Tanzania.

OBJECTIVES: To determine the risk factors for HIV seroconversion and assess the association between contraceptive use and HIV infection among women attending three large family planning clinics in Dar es Salaam, Tanzania. DESIGN: Prospective cohort study. METHODS: Between 1992 and 1995, 2471 HIV-negative women were followed prospectively. Information about sociodemographic characteristics, sexual behavior, contraceptive use and other risk factors was collected at recruitment and updated at follow-up visits. At the end of the study, specimens were collected for HIV testing and laboratory diagnosis of sexually transmitted diseases. RESULTS: The overall HIV incidence was 3.4 per 100 person-years [95% confidence interval (Cl), 2.6-4.1]. The risk of HIV seroconversion decreased with increasing age (P=0.04, test for trend). Women reporting three or more sex partners during the follow-up period had the highest risk of HIV [age-adjusted relative risk (RR), 4.89; 95% Cl, 2.61-9.17]. Having an uncircumcised husband was associated with a significantly increased risk of HIV (age-adjusted RR, 3.60; 95% Cl, 1.12-11.59). The risk of HIV was also significantly increased among women with gonorrhoea (age-adjusted RR, 3.51; 95% Cl, 1.60-7.71) and candidiasis at baseline (age-adjusted RR, 1.98; 95% Cl, 1.17-3.33) and among women reporting alcohol consumption during the follow-up period. After controlling for other risk factors, the risk of HIV infection amongst users of oral contraceptive, intrauterine device and injectable contraceptive was not significantly increased. Similarly, there was no significant trend associated with increasing duration of use of any of these contraceptive methods. CONCLUSION: These findings confirm that a large number of new HIV infections continue to occur in this population. Reassuringly, no significant association was observed between HIV and use of specific contraceptive methods. Interventions to reduce further spread of HIV are still urgently needed.

Adolescent↗