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PubMed2003

Fuzzy-trace theory, risk communication, and product labeling in sexually transmitted diseases.

Health care professionals are a major source of risk communications, but their estimation of risks may be compromised by systematic biases. We examined fuzzy-trace theory's predictions of professionals' biases in risk estimation for sexually transmitted infections (STIs) linked to: knowledge deficits (producing underestimation of STI risk, re-infection, and gender differences), gist-based mental representation of risk categories (producing overestimation of condom effectiveness for psychologically atypical but prevalent infections), retrieval failure for risk knowledge (producing greater risk underestimation when STIs are not specified), and processing interference involving combining risk estimates (producing biases in post-test estimation of infection, regardless of knowledge). One-hundred-seventy-four subjects (experts attending a national workshop, physicians, other health care professionals, and students) estimated the risk of teenagers contracting STIs, re-infection rates for males and females, and condom effectiveness in reducing infection risk. Retrieval was manipulated by asking estimation questions in two formats, a specific format that "unpacked" the STI category (infection types) and a global format that did not provide specific cues. Requesting estimates of infection risk after relevant knowledge was directly provided, isolating processing effects, assessed processing biases. As predicted, all groups of professionals underestimated the risk of STI transmission, re-infection, and gender differences, and overestimated the effectiveness of condoms, relative to published estimates. However, when questions provided better retrieval supports (specified format), estimation bias decreased. All groups of professionals also suffered from predicted processing biases. Although knowledge deficits contribute to estimation biases, the research showed that biases are also linked to fuzzy representations, retrieval failures, and processing errors Hence, interventions that are designed to improve risk perception among professionals must incorporate more than knowledge dissemination. They should also provide support for information representation, effective retrieval, and accurate processing.

Adolescent↗
PubMedDate not supplied

Contraceptive failure, method-related discontinuation and resumption of use: results from the 1995 National Survey of Family Growth.

CONTEXT: Half of all pregnancies in the United States are unintended. Of these, half occur to women who were practicing contraception in the month they conceived, and others occur when couples stop use because they find their method difficult or inconvenient to use. METHODS: Data from the 1995 National Survey of Family Growth were used to compute life-table probabilities of contraceptive failure for reversible methods of contraception, discontinuation of use for a method-related reason and resumption of contraceptive use. RESULTS: Within one year of starting to use a reversible method of contraception, 9% of women experience a contraceptive failure--7% of those using the pill, 9% of those relying on the male condom and 19% of those practicing withdrawal. During a lifetime of use of reversible methods, the typical woman will experience 1.8 contraceptive failures. Overall, 31% of women discontinue use of a reversible contraceptive for a method-related reason within six months of starting use, and 44% do so within 12 months; however, 68% resume use of a method within one month and 76% do so within three months. Multivariate analyses show that the risk of contraceptive failure is elevated among low-income women and Hispanic women. Low-income women are also less likely than other women to resume contraceptive use after discontinuation. CONCLUSIONS: The risks of pregnancy during typical use of reversible methods of contraception are considerably higher than risks of failure during clinical trials, reflecting imperfect use of these methods rather than lack of inherent efficacy. High rates of method-related discontinuation probably reflect dissatisfaction with available methods.

Adult↗
PubMed1994

Contraceptive outcomes among post-partum and post-abortal adolescents.

Between January 1992 and January 1993, there were 280 teens (ages 13-18) who either delivered a baby or terminated a pregnancy at Johns Hopkins Bayview Medical Center. Of these, 92 chose to contracept with Norplant implants, and 188 chose another method including "no" method. In July 1993, telephone interviews were conducted with 37 of those who chose Norplant implants and 41 of the non-Norplant implants users. After 1 year, 47% of oral contraceptive (COC) users had discontinued the method compared to only 16% of Norplant implants users (P < 0.03). Reasons for discontinuation centered on side effects for both groups but with some COC and condom users, discontinuing use due to "forgetfulness" or failure (pregnancy). Among the COC group (which was the most common choice after Norplant implant), 25% of the adolescents had experienced a subsequent unplanned pregnancy compared to 0% of the Norplant implant group (P < 0.01). Norplant implants were clearly an acceptable and effective contraceptive for these post-partum and post-abortal teens, who articulated a high motivation to avoid a subsequent unplanned pregnancy. However, it is clearly not the only method teens will choose to use, and more attention must be paid to adequate counseling of those choosing another method.

Abortion, Induced↗
PubMed2005

Barrier and spermicidal contraceptives in adolescence.

This article describes both barrier and spermicide methods of contraception including the male and female condom, diaphragm, contraceptive sponge, Lea Shield, cervical cap and multiple spermicide options. Their efficacy, differences and proper use are discussed with an emphasis on the adolescent user.

Adolescent↗
PubMed2003

Structural integrity of the polyurethane female condom after multiple cycles of disinfection, washing, drying and relubrication.

The female condom provides an important alternative means of protection against HIV and other sexually transmitted infections for women, particularly in situations where partners are reluctant or refuse to use male condoms. The relatively high cost of the device, however, is a barrier to its use in resource-poor environments. This has led to some reuse of the product and two studies have demonstrated that female condoms can withstand a limited level of reuse without an excessive loss of structural integrity when washed with soap and water. A consultation on female condom reuse convened by the World Health Organization and the Joint United Nations Programme on AIDS in June 2000 recommended that all used female condoms should be disinfected immediately after use, before washing. The effect of such treatments on the female condom was not known. This study was undertaken to assess the effect of the disinfection, washing, drying and relubrication on the properties of the condom. Samples from three batches of female condoms were subjected to seven treatment cycles before being tested for structural integrity. In all cases the batches of condoms complied with the manufacturer's release specification for the product after treatment. Some minor changes in properties were seen but these were not considered important. There was evidence of a small increase in the number of condoms with holes following repeated disinfection and washing cycles, suggesting that excessive or rough handling can damage the condom. Condoms should therefore be handled carefully and inspected thoroughly for signs of damage after washing and drying before being stored with the intention of subsequently reusing the device.

Single-Use Internal Condom↗
PubMed1994

Hydronephrosis due to improper condom catheter use.

This report concerns a patient with bilateral hydronephrosis due to a tight external condom catheter retention strap. Urodynamics with fluoroscopy and cystoscopy failed to demonstrate bladder outlet obstruction, urethral stricture, uretero-vesicle junction abnormality, or other explanations for the bilateral hydronephrosis. The hydronephrosis resolved when the external condom catheter retention strap was eliminated. The authors emphasize the importance of patient education to prevent this problem and encourage alertness by clinicians to assess appropriateness of external condom catheter use.

Aged↗
PubMed2001

Recently diagnosed sexually HIV-infected patients: seroconversion interval, partner notification period and a high yield of HIV diagnoses among partners.

We collected data on the outcome of partner notification (PN) for 356 index patients (iPs) newly diagnosed with HIV, all sexually infected, in six European countries, 1995-96. The PN period (the period during which exposed partners should be notified about their risk of being HIV infected) could be defined on the basis of last negative HIV test in 170/356 (48%), from other key dates for 12, and for 14 more on the sole basis of known HIV exposure (total 196/356, 55%). However, of the 170 iPs with a last negative HIV test date, PN period was not defined in 52 (31%), even though 28/52 were recent seroconverters (negative HIV test within 24 months of HIV diagnosis). Discrepancies in PN period evaluation were common: of the 85 iPs for whom PN period was reportedly defined as '3 months before last HIV-negative date', the period actually used was equal to this in only 12. A user-friendly worksheet would simplify the task of eliciting and using key dates to define the PN period. Forms on PN outcome were received for 166/200 (83%) reported current partners, but only 124/508 (24%) ex-partners. Fifty-two of 290 (18%) notified partners already knew they were HIV-positive, and 38/130 (29%) notified partners for whom pre-PN status was negative or unknown were HIV-positive on post-PN testing. Results of HIV tests (if any) after PN were unknown for 37/133 (28%) current partners not already known to be HIV-positive, and for 71/105 (68%) ex-partners-a doubling of the information loss rate. Notification of 133 current and 105 ex-partners not previously identified as HIV-positive thus produced 28 (21%) and 10 (10%) new HIV diagnoses, respectively. The total yield of HIV diagnoses was 38/100 (38%) partners of recent seroconverters (22 already known plus 16 PN-diagnosed), compared with 52/190 (27%) partners of other iPs (30 already known plus 22 PN-diagnosed). We propose prioritization for PN of partners of recent seroconverters, augmented surveillance for HIV diagnoses and recurrence in PN networks of at-risk, non-notified partners, and new measures that preserve anonymity to alert potential and past sexual contacts of HIV-diagnosed individuals who are unable or unwilling to assist in PN.

Adult↗
PubMed1997

Use and effectiveness of condoms during anal intercourse. A review.

BACKGROUND AND OBJECTIVES: Anal intercourse has been associated with a high risk of human immunodeficiency virus transmission. Survey data suggest that unprotected anal intercourse is practiced by a substantial proportion of the sexually active population, regardless of sexual orientation. GOAL: To review the literature related to the use and effectiveness of condoms during anal intercourse, with emphasis on prevention of human immunodeficiency virus transmission. STUDY DESIGN: Literature review. RESULTS: Epidemiologic studies have shown that consistent, correct condom use reduces the overall risk of sexual transmission of human immunodeficiency virus. Evidence for the effectiveness of condoms used during anal intercourse is less definitive. Survey and clinical trials data indicate that condom breakage and slippage rates vary during anal intercourse and may be considerably higher than during vaginal intercourse. Although condoms designed for anal intercourse have been studied and marketed in Europe, data on their actual performance are scarce. In addition, no information exists on the effectiveness of polyurethane or other nonlatex condoms for use during anal intercourse. CONCLUSIONS: Development of newer and more effective condoms for use during anal intercourse requires consideration of the ethical issues involved in testing and marketing devices used during an activity that carries with it the potential for a substantial risk to health.

Condoms↗
PubMed2003

Acceptability and technical problems of the female condom amongst commercial sex workers in a rural district of Malawi.

A study was conducted among commercial sex workers (CSWs) in rural southern Malawi, in order to (a) assess the acceptability of the female condom and (b) identify common technical problems and discomforts associated with its use. There were 88 CSWs who were entered into the study with a total of 272 female condom utilizations. Eighty-six (98%) were satisfied with the female condom, 80% preferred it to the male condom and 92% were ready to use the device routinely. Of all the utilizations, the most common technical problem was reuse of the device with consecutive clients, 6% after having washed it, and 2% without any washing or rinsing. The most common discomfort that were reported included too much lubrication (32%), device being too large (16%), and noise during sex (11%). This study would be useful in preparing the introduction of the female condom within known commercial sex establishments in Malawi.

Adult↗
PubMed1991

[Family planning: a need in primary care].

The reformation of Primary Care (PC) permits a more satisfactory and coordinated approach to family planning (FP). We evaluated the profile of the potential users of FP by means of a survey of 182 females made in a Primary Care center (CAP). The most commonly used contraceptive methods were oral contraceptives (20.3%), coitus interruptus (Cl) (18%), condom (17%) and female sterilization (12.6%). 66.6% of failures were attributed to Cl. 32.25% of the intrauterine device users and 24.4% of those taking oral contraceptives reported problems. 24.7% of females were controlled in the CAP II, 19.7% by their private gynecologist, 16.5% in the municipal CP and 6% in the CAP. 30.2% of the users did not follow and type of control.

Adolescent↗
PubMed1995

[Damage to condoms caused by vaginally administered drug].

A 28-year-old woman who was treated for vaginal candidiasis with Gyno-Daktarin vaginal capsules (miconazole nitrate) became pregnant because a condom used during intercourse had ruptured. Incubation in vitro with 400 and 1200 mg miconazole nitrate vaginal capsules (Gyno-Daktarin 3 and Gyno-Daktarin I), but not miconazole nitrate vaginal cream (20 mg/g), was shown to damage rubber condoms. Patients using vaginal medicines should be aware of a possible adverse effect on rubber condoms or contraceptive diaphragms and a subsequent increased risk of pregnancy or contagious diseases such as AIDS. Fatty excipients such as glycerin, paraffin, petrolatum or Witepsol may be involved.

Administration, Intravaginal↗
PubMed2000

In vitro assessment of the structural integrity of the female condom after multiple wash, dry, and re-lubrication cycles.

Since the introduction of the female condom in the early 90s, there have been numerous reports of reuse of the device. In response to these reports, studies were undertaken to evaluate the safety of female condom reuse. If reuse were shown to be safe, then programmatic costs of introduction of the female condom would be reduced allowing it to be more widely available. This article outlines the results of in vitro structural integrity testing of the female condom after multiple wash, dry, and re-lubrication cycles. Devices were tested up to 10 washes using water leakage, burst, and tensile seam testing. All results were compared to the United States Food and Drug Administration (US FDA) standards for an unused female condom. The results of the structural integrity tests for all 6 washing procedures examined in this study were above the FDA minimum standards for seam strength and burst tests. For the water leakage test, 3 of 6 washing procedures tested passed the required FDA minimum standards (no holes detected). From the results of the study, it seems that washing, drying, and re-lubricating the female condom up to 10 times leads to some deterioration in the structural integrity of the device for specified washing procedures. Further studies are currently being conducted to establish the safety of female condom reuse with respect to microbial retention, structural integrity after in vivo use, and viral permeability.

Single-Use Internal Condom↗
PubMed2003

Partner characteristics, intensity of the intercourse, and semen exposure during use of the female condom.

The objective of this study was to assess how characteristics of the intercourse and the couple relate to semen exposure during use of the female condom. From 1996 to 1998, 210 women in Birmingham, Alabama, were trained to use the female condom and follow study procedures during a group session and individually practiced inserting the device. The outcome was semen exposure as defined by comparing pre- and postcoital prostate-specific antigen levels in vaginal fluid. Women who had high income levels had lower rates of semen exposure (odds ratio (OR) = 0.3, 95% confidence interval (CI): 0.2, 0.7), while those in a relationship of less than 2 years were at greater risk (OR = 2.4, 95% CI: 1.3, 4.1). Couples with a large disparity in vaginal fundus size and penis size were at increased risk of semen exposure (OR = 2.7, 95% CI: 1.2, 6.0). Engaging in very active intercourse also increased the risk (OR = 1.7, 95% CI: 1.1, 2.6). Thus, the protective effect of the female condom appears to be a function of user- and intercourse-specific characteristics. Future studies of male condom efficacy should focus on collecting detailed data about the users and characteristics of intercourse to predict failure accurately.

Adult↗
PubMed2000

Women at risk for HIV from a primary partner: balancing risk and intimacy.

Women are being devastated by the HIV/AIDS epidemic in the U.S. and all over the world, most infections occurring via heterosexual activity with a primary partner. Although a number of evaluations of behavioral risk-reduction interventions for women have been reported, many suffer from methodological problems that weaken confidence in their findings. It is clear that, despite statistically significant intervention effects, many women are unable to respond to even the most effective interventions that have been tested, a fact that might be attributable to failure to change behavior with primary partners. Achieving consistent condom use with primary partners can be highly challenging for women, for a variety of reasons. In the present paper, I review the literature regarding behavioral interventions for women. I also review data supporting the feasibility of alternative strategies that may be more effective than those usually recommended for women at risk for HIV infection by their primary male partner. The literature on woman-controlled technologies, such as the female condom and vaginal microbicides, is summarized. Alternative messages for condom negotiation and "negotiated safety" are also described. Because it is relevant to negotiated safety, and at the heart of the present topic, a review of the behavioral literature regarding serodiscordant heterosexual couples is also provided.

Female↗