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PubMed1996

Examination of the relationship between African American adolescents' condom use at sexual onset and later sexual behavior: implications for condom distribution programs.

School-based condom distribution programs have generated considerable controversy across the country. In the present study 249 sexually active African American adolescents who did (n = 119) and did not (n = 130) use a condom during their initial sexual experience were compared to assess whether condom use at the onset of sexual activity was associated with later differences in sexual behavior. The results indicated that youths who used a condom from the onset of sexual activity were more likely to have used a condom in the most recent intercourse occasion, less likely to be diagnosed with a sexually transmitted disease (STD) or to combine substance use with sexual activity, endorsed more positive attitudes toward condoms, and were older when they initiated sexual activity. The findings have implications for condom availability programs and indicate that initial condom use was not associated with earlier onset of sexual activity and was associated with higher rates of precautionary behavior among sexually active minority adolescents.

Adolescent↗
PubMed1998

Correlates of condom use and attitudes to condoms and AIDS in a group of Darwin women.

This study investigated the use of condoms, attitudes to condoms and correlates of these in women in Darwin, Northern Territory, Australia. A survey using a Condom Attitudes Scale was administered to a convenience sample of 160 women. With regular partners, these women had a low level of use of condoms, with a somewhat higher level of use with casual partners. Their perceived risk of Human Immunodeficiency Virus and other sexually transmitted diseases was not strong. These women's attitude towards the condom was reasonably positive. The major factor that correlated with attitudes to condoms was the type of relationship with a partner. This paper demonstrates the need for health professionals to continue to promote condom use among women.

Acquired Immunodeficiency Syndrome↗
PubMed1999

Association between condom use and HIV infection: a randomised study of self reported condom use measures.

STUDY OBJECTIVE: To compare the association between different measures of condom use and prevalent HIV infection. DESIGN: Randomised cross sectional study to assess association between HIV infection and different measures of self reported condom use. Female sex workers were randomised to one of five different face to face questionnaires on condom use. Three questionnaires used always to never scales to measure use but differed in the reference period for use; a fourth asked about use in the last 10 coital acts; and the fifth was a retrospective log of coital acts in the past two weeks. Use was assessed with new clients, repeat clients, and non-clients. SETTING: Yaoundé and Douala, Cameroon. PARTICIPANTS: 2266 female sex workers. MAIN RESULTS: The association between condom use and prevalent HIV infection varied for different measures of condom use. None of the five level measures showed a dose response protective effect of condom use. Measures aimed at reducing recall bias (measures based on the past 10 coital acts or a coital log) showed little or no association with prevalent infection. Measures based on the past month or six months had a stronger association with prevalent infection. Regardless of the type of measure or reference period, the strongest association between use and infection was for use with partners who were not clients. CONCLUSION: These findings underscore challenges described by others of measuring condom use and interpreting the association between use and prevalent infection.

Adolescent↗
PubMed1998

A randomized controlled trial comparing nonoxynol-9 lubricated condoms with silicone lubricated condoms for prophylaxis.

OBJECTIVE: We tested the effect of nonoxynol-9 (N-9) in condom lubrication on the risk of acquiring STD and genital discomfort. METHODS: The study was a triple masked, randomised controlled trial comparing N-9 lubricated condoms with plain silicone lubricated condoms among Dominican female sex workers. RESULTS: Randomisation provided two groups (313 for N-9 and 322 for plain) similar in baseline characteristics, but extensive loss to follow up occurred (56 women in each group completed the 24 week follow up). Most vaginal acts with clients were protected with condoms (99% of vaginal sex) but fewer acts with non-clients were protected (43% of vaginal sex). No significant differences occurred in rates of cervical infections (N-9 = 3.4 per 100 person months v plain = 2.8), trichomoniasis (N-9 = 2.8 v plain = 3.6), or discomfort rates (N-9 = 0.82 v plain = 0.92). CONCLUSIONS: Plain silicone lubricated condoms are as effective as N-9 lubricated condoms, cost less, have longer expected shelf life, and therefore may be the better condom to provide.

Adolescent↗
PubMed1996

The cost-effectiveness of condoms in the prevention of HIV infection in England and Wales: should condoms be available on prescription?

OBJECTIVES: HIV and AIDS represent a considerable challenge to the British National Health Service, and the resources devoted to treatment and prevention of HIV/AIDS are significant and likely to increase. The focus of recent campaigns promoting safer sexual practices to prevent the spread of HIV have focused on the use of condoms, since condom use reduces the probability of infection. Furthermore, it has also been suggested that condoms should be provided routinely on prescription by general practitioners (GPs). The objective of this study was to evaluate the cost-effectiveness of GP-provision of condoms in the prevention of HIV infection. Since risk factors for HIV infection differ across population groups, cost-effectiveness ratios for three at-risk groups were considered. METHODS: Estimates of the cost per infection prevented and the cost per life year gained were made for female heterosexuals, male heterosexuals, and male homosexuals in England and Wales. Sensitivity analysis was conducted on a number of key parameters. RESULTS: The costs per infection prevented were 2,327,744 Pounds for female heterosexuals, 9,709,987 Pounds for male heterosexuals and 1315 Pounds for male homosexuals. The corresponding costs per life year gained were 56,774 Pounds, 269,722 Pounds and 37 Pounds. When savings from the costs of care were taken into account the use of condoms resulted in cost savings of nearly 50,000 Pounds for homosexual males. CONCLUSIONS: The provision of GP-prescribed condoms is highly cost-effective for male homosexuals. Such provision is much less cost-effective for heterosexuals, primarily due to the relatively low prevalence of HIV in the heterosexual population and the low infectivity parameter. This suggests that routine GP-provision of condoms would be inappropriate for all at-risk groups, and should target high-risk groups, specifically male homosexuals.

Condoms↗
PubMed1997

Condom availability in New York City public high schools: relationships to condom use and sexual behavior.

OBJECTIVES: This study examines the impact of the condom availability program in New York City public high schools by comparing rates of sexual activity and condom use for New York students and similar students in Chicago. METHODS: A total of 7119 students from 12 randomly selected New York schools and 5738 students from 10 Chicago schools participated in a cross-sectional survey. RESULTS: New York students, compared with Chicago students, reported equal rates of sexual activity but higher rates of condom use at last intercourse (odds ratio [OR] = 1.36). For higher-risk students (those with three or more sexual partners in the past 6 months), condom use was greater in New York (OR = 1.85) than in Chicago. CONCLUSIONS: Condom availability has a modest but significant effect on condom use and does not increase rates of sexual activity. These findings suggest that school-based condom availability can lower the risk of HIV and other sexually transmitted diseases for urban teenagers in the United States.

Adolescent↗
PubMed1989

The relationship between women's attitudes about condoms and their use: implications for condom promotion programs.

A survey of 759 women attending contraceptive care clinics revealed that a majority of women endorsed condom use as an important way to reduce the spread of AIDS (acquired immunodeficiency syndrome); 82 per cent reported past use of condoms, but only 14 per cent reported using condoms in addition to another form of contraception to prevent infection with sexually transmitted pathogens, including HIV (human immunodeficiency virus). Acceptance of condom advertisement, perceived male and peer acceptance of condoms, and the effect of condom use on the enjoyment of sexual intercourse predicted condom use.

Acquired Immunodeficiency Syndrome↗
PubMed1997

Men, women and the trouble with condoms: problems associated with condom use by migrant workers in rural Zambia.

Understanding cultural attitudes to condoms is of the utmost importance in promoting their use as a means of protection against HIV transmission. This article examines condom use in relation to what people see as the purpose of sex, what good sex entails and how this relates to ideas of being a proper woman or man. It seems that the underlying and pervasive ideal is that sex is essentially a procreative act, since an emphasis on male potency and male and female fertility often overrides anxieties about contracting HIV and other sexually transmitted diseases. Hence condom use is usually only negotiated within some short-term relationships and then not consistently. Whilst both men and women have negative attitudes to condoms, women because of their economic and ideological dependence on men are in a much weaker position to negotiate condom use.

Condoms↗
PubMed1992

Burst testing of condoms. I. Basic features of the force-deformation curve of latex-rubber condoms.

Inflation of a rubber condom involves biaxial deformation of the material which can be modeled by the use of an appropriate strain-energy function. Force versus deformation data for uniaxial extension of strips of condoms were used to determine the parameters for Ogden's form of a strain-energy function. These parameters were then used to fit experimentally obtained burst test data to a stress-strain equation formulated for inflation of condoms in a burst test. Experimental data on inflation of condoms agree well with theoretical curves verifying the applicability of the biaxial stress-strain equation to the particular strain-energy function on which it is based.

Condoms↗
PubMed1999

Measuring perceived barriers to condom use: psychometric evaluation of the Condom Barriers Scale.

A programmatic series of three studies developed and evaluated the Condom Barriers Scale (CBS), an instrument measuring women s perceived barriers to condom use for prevention of HIV and other sexually transmitted diseases. Following item generation and selection, Study 1 evaluated the CBS in a sample of minority women (N = 178), reduced the number of items, assessed the factor structure, evaluated the internal consistency, and explored the convergent validity of the CBS. In Study 2, the CBS was administered to a cross-validation sample (N = 278). Confirmatory factor analysis and internal consistency were compared against the original sample and construct, criterion, and discriminant validity were assessed. In Study 3 (N = 30), temporal stability of the CBS was evaluated. The resulting instrument appears to have sound psychometric properties and can be used to measure a key construct in the leading theoretical models of health behavior for which a measure with known psychometric properties previously has not been available.

Adolescent↗
PubMed1998

Protection against sexually transmitted diseases by granting sex workers in Thailand the choice of using the male or female condom: results from a randomized controlled trial.

BACKGROUND: The male condom is the most effective barrier method available for protection against sexually transmitted diseases (STDs), including HIV infection. There is an urgent need to develop and evaluate other prevention methods, such as the female condom. This study estimated the additional protection against STDs offered to sex workers by giving them the option of using the female condom when clients refused to use a male condom. METHODS: Sex establishments in four cities in Thailand were randomized into two study groups: one in which sex workers were instructed to use male condoms consistently (male condom group); and one in which sex workers had the option of using the female condom if clients refused or were not able to use male condoms (male/female condom group). Randomization was done by sex establishments, and not by individuals, to minimize sharing of female condoms across study groups. The proportion of unprotected sexual acts (defined as sexual acts in which condoms were not used, tore, or slipped in or out) and incidence rate of STDs (gonorrhoea, chlamydial infection, trichomoniasis and genital ulcer disease) were measured over a 24-week period and compared between the two study groups. FINDINGS: Results are available from 34 sex establishments (249 women) in the male/female condom group, and 37 sex establishments (255 women) in the male condom group. Condom use was very high in both groups (97.9 and 97.3 % of all sexual acts, respectively, P > 0.05). Male condom use was lower in the male/female condom group when compared with the male condom group (88.2 and 97.5%, respectively, P < 0.001). However, this reduction in male condom use was counterbalanced by the use of female condoms in 12.0% of all sexual acts in the male/female condom group, contributing to a 17% reduction in the proportion of unprotected sexual acts in this group when compared to the male condom group (5.9 versus 7.1%, respectively, P = 0.16). Female condom use was sustained over the entire study period. There was also a 24% reduction in the weighted geometric mean incidence rate of STDs in the sex establishments of the male/female condom group compared to the male condom group (2.81 versus 3.69 per 100 person-weeks, P = 0.18).

Adolescent↗
PubMedDate not supplied

Use of spermicide and impact of prophylactic condom use among sex workers in Santa Fe de Bogota, Colombia.

BACKGROUND AND OBJECTIVES: Condom use is one of the most important preventive measures sex workers can take to reduce the risk of becoming infected with a sexually transmitted disease. However, a client may refuse to use a condom when requested. Some sexually transmitted disease prevention programs are recommending that sex workers use spermicide as an alternative prophylaxis when a condom is refused, yet little is known about the effect of this recommendation on prophylactic condom use. GOAL: To determine if using spermicide, either in conjunction with condoms or as a backup, influenced overall condom use among a group of sex workers at high risk of sexually transmitted diseases in Santa Fe de Bogota, Colombia. STUDY DESIGN: Participants were assigned randomly to one of three condom use groups: use of condoms only (Condoms Only), use of condoms and spermicides concurrently (Condom and Spermicide), or use of spermicide when condoms were refused (Spermicide as a Backup). A total of 199 sex workers entered the study and were asked to return for follow-up every 2 weeks for a period of 12 weeks. RESULTS: Women assigned to the Spermicide as a Backup group used a condom for an average of 78.1% of their reported acts of intercourse, compared with an average of 94.5% in the Condom Only and 92.3% in the Condom and Spermicide groups. However, women in the Spermicide as a Backup group used a condom or spermicide for an average of 96.9% of their acts of intercourse. Condoms were used for every intercourse act by less than 5% of the women in the Spermicide as a Backup groups, compared with 50.7% in the Condom Only group and 41.2% in the Condom and Spermicide group (P 0.001). When condoms were not used, client refusal was the primary reason reported. The incidence of sexually transmitted diseases and other urogenital inflammations in all groups was lower than expected. CONCLUSIONS: Among Colombian sex workers, condom use declined substantially when women were instructed to use spermicides if they were unable to persuade their partner to use a condom. However, these same women usually used the study spermicide as an alternate prophylaxis.

Adult↗