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PubMed1990

Barrier and spermicidal contraceptive methods and risk of invasive cervical cancer.

The effects of barrier and spermicidal methods of contraception on cervical cancer risk were examined by studying 479 cases of histologically confirmed invasive cervical cancer cases and 788 random digit dialing controls. In addition to a detailed history of contraceptive practices, information was available on numerous potential confounders, including demographic characteristics, sexual behavior, reproductive factors, Pap smear screening history, and smoking. After adjustment for relevant confounders, diaphragm and condom use were found not to be significantly associated with risk of cervical cancer. Although there was a small reduction in risk (OR = 0.8) associated with long-term use (5+ years) of the diaphragm, the effect appeared to relate to concomitant spermicide use, since there was evidence of further decreases in risk for women using spermicides alone for extended periods (OR = 0.7 for 5+ years). Effects were only seen among subjects of higher income and education levels, suggesting that patterns of usage may be important. The potential ability of spermicides to reduce cervical cancer risk by neutralizing viral agents warrants further attention.

Adult↗
PubMed1992

Patterns and predictors of high-risk sexual behavior in female partners of HIV-infected men with hemophilia.

OBJECTIVE: To characterize and quantify high-risk heterosexual activity in HIV-discordant couples. DESIGN: Analysis of cross-sectional and longitudinal questionnaire data from 217 HIV-negative female sexual partners of HIV-infected hemophilic men. METHODS: Comparison of prevalence rates of anal sex, oral sex, vaginal intercourse with or without condoms, and use of other contraceptives between 1985 and 1991. Logistic regression analysis of demographic, sexual and clinical variables to predict unprotected vaginal sex. Actuarial estimates of semi-annual relapse rates to unsafe sex. RESULTS: The proportion of women at low risk increased from 7 to 69% between 1985 and 1991, mainly because more women were using condoms during all acts of vaginal intercourse. Other contraceptive practices did not change during this time. The proportion engaging in oral or anal sex decreased (from 26 to 13% and 13 to 4%, respectively). Unprotected vaginal sex was more common among women who enrolled earlier, had less education, engaged in oral or anal sex, and among those whose partners had not had AIDS. Unprotected vaginal sex before enrollment was the strongest predictor of this high-risk activity during follow-up. Two-year rates of relapse to high-risk behavior were significantly higher among women who enrolled at high risk compared with those who enrolled at low risk (39 versus 8%, P = 0.005). CONCLUSIONS: Although high-risk sexual behavior became much less prevalent in this population between 1985 and 1991, many continued to have unprotected vaginal sex occasionally. Counseling efforts should target couples who have been the most sexually active or have less education, and should emphasize not only initial risk reduction but also maintenance of low-risk behavior.

Adolescent↗
PubMed1992

Predictors of repeat pregnancy outcome among black and Puerto Rican adolescent mothers.

This prospective study investigated predictors of repeat pregnancies by 12 months after the delivery of a first child and their outcomes in inner-city adolescent mothers. The sample included four groups: those who had therapeutic abortions, miscarriages, full-term deliveries, and no repeat pregnancy. The therapeutic abortion group had more pregnancies before their first delivery (41%) than did full term (20%) and no repeat (15%), p less than .01. More delayed grade placement was found in therapeutic abortion -1.6 years (1.3) and full term -1.8 years (.9) than in no repeat pregnancy -.6 years (1.1), p less .001. Reading achievement scores were higher in no repeat 86.3 (17.1) than in full term 75.0 (16.5), p less than .05. School attendance was higher in no repeat (65%) than in therapeutic abortion (35%) and full-term (24%) p less than .01 groups. Depressive symptoms at baseline were higher among therapeutic aborters 18.9 (9.9) than among full term 10.2 (8.2) and no repeat pregnancy groups 12.2 (6.2). Logistic regression analyses identified delayed grade placement as the most important predictor of pregnancy outcome.

Achievement↗
PubMedDate not supplied

The relationship between previous elective abortions and postpartum depressive reactions.

To test the hypothesis that primiparas who have had a previous elective abortion will have a higher incidence of depressive reactions postpartum than will primiparas who have not, 48 women pregnant for the first time and 25 who had had one abortion were interviewed six to eight weeks postpartum. No significant difference in the incidence of depression between the two groups could be found. In addition, when associations between their mean depression scores and other variables such as planned pregnancy, preferred infant sex, identified obstetrical problems, help at home, experiencing the baby blues, and an identified recent sad life event were calculated, no significant differences were noted. Spontaneous comments from the previously aborted women suggested that anxiety during pregnancy concerning the infant's health was a greater source of discomfort than was postpartum depression.

Abortion, Legal↗
PubMed1989

Risk of pregnancy and dropping out of school among special education adolescents.

This study examined the temporal relationship between dropping out of school and teen-age pregnancy, and whether or not teens in special education programs are at greater risk for pregnancy and dropping out than non-special education teens. Cumulative Student Records and case files were reviewed on a random sample of 135 already pregnant girls served by the San Diego Adolescent Pregnancy and Parenting (SANDAPP) program. A comparison was made of ages at time of dropping out and conception of the first live birth between special education and non-special education groups. The overall prevalence of special education teens in the program was compared with the prevalence rate of 10% in the San Diego Unified School District. Results indicated 20% of SANDAPP adolescents were in special education compared to 10% for the overall school district. Special education teens dropped out of school significantly earlier than non-special education teens. No significant evidence supported the hypothesis that teens dropped out of school first, then became pregnant. Nor was there significant evidence to suggest special education teens experience their first live birth at younger ages than their non-special education counterparts. No relationship was found between mean grade point average and age at conception. The researchers concluded that special education teens are at higher risk for pregnancy and dropping out of school than non-special education teens.

Adolescent↗
PubMed1991

The impact of a health education course on maternal knowledge: a comparative study in a low socioeconomic rural region.

A comprehensive health education course was designed for mothers in West Bank villages, a relatively low socioeconomic population. The course focused on nutrition, hygiene, child development, and first aid. It was taught by specially trained local instructors in small classes characterized by an individualized teaching method. To evaluate the contribution of the course, the level of knowledge in topics taught in the course was tested. The test was personally administered by trained interviewers to 241 course participants and to a comparison group of 284 mothers who had not participated. As expected, participants demonstrated higher level of knowledge than nonparticipants, regardless of the time since having taken the course. The course seems to have contributed to all participants, but mostly to women of lower education. In a multiple linear regression the two most significant predictors of knowledge were course participation and level of maternal formal education.

Educational Status↗
PubMedDate not supplied

The association of AIDS education and sex education with sexual behavior and condom use among teenage men.

According to a 1988 nationally representative survey, most 15-19--year-old men in the United States have received formal instruction about AIDS (73%), birth control (79%) and resisting sexual activity (58%). Results of multivariate analyses show the receipt of AIDS education and sex education to be associated with modest but significant decreases in the number of partners and the frequency of intercourse in the year prior to the survey. Having received instruction in these topics was also associated with more consistent condom use. Instruction in some topics was associated with increases in knowledge and attitudes about AIDS, but these increases were not always correlated with safer behavior.

Acquired Immunodeficiency Syndrome↗
PubMed1992

Characteristics of fragile X relatives with different attitudes toward terminating an affected pregnancy.

Female relatives of individuals with fragile X syndrome were asked whether they would terminate an affected pregnancy. Women were grouped according to how they answered this question and compared according to demographic characteristics, knowledge about the syndrome, perception of their risk for having an affected child, factors they considered important in family-planning decisions, and the magnitude of individual problems they perceived to be associated with raising an affected child. Important differences were identified between women willing to consider abortion and those who would not abort and between women who indicated what they would do and those who were unsure.

Abortion, Eugenic↗
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

Determinants of unintended childbearing among ever-married women in the United States: 1973-1988.

A downward trend in unwanted childbearing has reversed among large segments of the population, according to data from the 1988 National Survey of Family Growth. The proportion of births in the previous five years that were unwanted at conception fell from 14 percent in 1973 to eight percent in 1982, but increased to 10 percent in 1988. Between the 1982 and 1988 surveys, increases were most pronounced among women with less than a high school education and among women living below the federal poverty level. Differences between black women and white women in levels of unwanted childbearing, which were converging prior to 1982, have since grown considerably, particularly among the poor and the less educated.

Adolescent↗
PubMedDate not supplied

Abortion in Canada: religious and ideological dimensions of women's attitudes.

This paper examines a number of demographic and sociocultural factors (e.g., age, marital status, family size, religion, religious assiduity, sex-role ideology) as predictors of women's attitudes toward abortion, using data from the Canadian Fertility Survey of 1984. The findings suggest that women's abortion attitudes are to a greater extent based on ideological positions. It appears that anti-abortion stance affects those women who are religious, presumably by increasing the relationship between their general sex-role ideological stances and abortion attitudes. Abortion attitudes also vary according to a woman's education, her size, and province/region of residence.

Abortion, Induced↗
PubMed1991

Socioeconomic development, health interventions and mortality decline in Costa Rica.

Costa Rica, whose life expectancy was 74 years by 1985, has reached a health level comparable to a developed country. The health achievements of this country are product of political and socioeconomic circumstances as well as of right public health policies. Until about 1970 the features of Costa Rica mortality, although somewhat better than the Latin American average, evolved in a similar way to the rest of the region. In particular, the decades of 1940s and 1950s saw dramatic improvements in life expectancy, thanks mainly to the import of low-cost, high-effectiveness health technologies. In the 1970s, however, Costa Rica departed from a regional pattern of stagnation and managed to close the gap with developed countries in terms of mortality levels. A dramatic decline in the infant mortality rate from 60 to 19 per 1,000 took place in this decade. The main determinants of this breakthrough were health interventions, notably a primary health care program, even though favorable socioeconomic conditions and a reduced fertility also played a role. Ecological data and other evidence suggest that up to three fourths of the mortality decline was accounted for contemporary improvements in public health services, with about 40 percent attributable to primary health care interventions. Furthermore, by targeting interventions on the less privileged population, these interventions had the merit of reducing geographic and socioeconomic differentials in child mortality.

Cause of Death↗
PubMedDate not supplied

Birth spacing patterns and correlates in Shaanxi, China.

This study shows that most women in Shaanxi Province, China try to have their first birth as soon as possible after their first marriage, and that the length of the interval between marriage and first birth is strongly correlated with the woman's age at first marriage. The length of the second and third birth intervals and the likelihood of going on to have a second or third birth are strongly influenced by the sex composition of children already born, the survival time of the child initiating the interval, the duration of breastfeeding, and the woman's occupation. There is significant regional variation in the length of birth intervals and in the prevalence of second and third births in Shaanxi. The findings indicate that China's one-child policy is far from being universally accepted in Shaanxi, including its urban areas. The persistence of many social, economic, institutional, and cultural factors promoting high fertility poses many obstacles to further fertility decline.

Adult↗
PubMed1986

Risk factors for invasive cervical cancer among Latinas and non-Latinas in Los Angeles County.

A case-control study among white women in Los Angeles County was conducted to investigate etiologic factors that might explain the high rates of invasive cervical cancer among Latinas. Two hundred patients with invasive squamous cell carcinoma of the uterine cervix and matched (age, sex, preferred language, and neighborhood) controls were interviewed, 98 pairs in English and 102 pairs in Spanish. Seven factors were found to contribute independently and significantly (P less than .01) to risk, each after adjustment for the other six: years since last Pap smear, years of education (protective), frequency-years douching, pack-years of smoking, years of barrier contraceptive use (protective), number of sexual partners before age 20, and recognized episodes of genital warts. An eighth variable, interval in years between menarche and first intercourse, was the second variable to enter the stepwise logistic regression analysis but lost its statistical significance when sexual partners before age 20 entered the model. Together, these eight variables accounted for almost 99% of the risk. There were no significant interactions between any of these variables and age, language of interview, or birth in a Latin country. There was no increased risk associated with use of oral contraceptives, either before or after adjustment for the other significant factors. Compared to English-speaking controls, Spanish-speaking controls smoked less, douched less, had fewer sexual partners before 20, and had essentially the same average interval between menarche and first intercourse and the same average number of episodes of genital warts; however, they had had a longer interval since their last Pap smear, fewer years of barrier contraceptive use, and fewer years of education. Education, presumably a correlate of an inadequately measured etiologic risk factor (possibly papillomavirus infection), was responsible for the greatest difference in risk between the Spanish- and English-speaking cases.

Adolescent↗
PubMed1986

Female sterilization: can the woman who will seek reversal be identified prospectively?

Demographic socio-economic and decision-making aspects of sterilization and reversal of sterilization were compared in a group of 103 women requesting reversal (RR) and 117 women about to undergo sterilization (S), to determine the practicality of identifying in advance the woman likely to request reversal. The willingness of patients to pay for these procedures and the ethical implications of these decisions were also examined. RR were younger at the first relationship, birth of first child and birth of last child. There were no differences (RR vs S) between the number of full-term pregnancies, living children and therapeutic abortions. The timing of sterilization (puerperal versus interval) did not influence the decision to be reversed. The level of education, partner's level of education and mean family income were lower in the group requesting reversal. Multiple regression analysis revealed three characteristics which were most discriminatory: youth at first birth; lack of spousal support; and failure to choose 'family complete' as a reason for sterilization. The predictability was not strong enough to provide an accurate assessment of the individual woman. RR were of significantly lower socio-economic standing but were more likely to be prepared to pay a large sum of money for the reversal. The ethical implications of this finding are discussed.

Adult↗
PubMed1979

Do intentions predict fertility? The experience in Taiwan, 1967-74.

Are responses to survey questions about desire for additional children useful in predicting future fertility? Data from Taiwan covering the years 1967--74, a period of rapid fertility decline and increasing contraceptive practice, indicate that reproductive intentions and contraceptive use were very good predictors of subsequent fertility. Whether more children were wanted was itself the most important determinant of contraceptive use. Aggregate consistency between attitudes and behavior was higher than found in US surveys during the same period. Similar studies are needed to determine whether statements of intentions have predictive value in other settings as well.

Adolescent↗