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  • Years:
  • 26
  • Ethnic:
  • Ecuadorian
  • Tint of my iris:
  • I’ve got large blue eyes but I use colored contact lenses
  • My Zodiac sign:
  • Scorpio
  • I like to drink:
  • Rum
  • I prefer to listen:
  • Heavy metal

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Description

Few sexual research studies have investigated factors related to heterosexual men. Logistic regression was conducted to examine the association between demographic factors and sexual behaviours and the likelihood of testing positive for an STI. We also stratified the regression analyses by age cohort to evaluate group differences. Determining which male sub-populations have an increased risk of STI infection and understanding trend patterns over time is helpful in allocating resources for effective prevention, treatment and management necessary for curtailing STI transmission.

For each survey item, participants were given the option to refuse to answer. Men who were divorced, separated or widowed were also 1. We examined sexual risk in the study population through a composite measure of STI positivity by age cohort young: 18—30 years; middle-aged: 31—44 years; older: 45—70 years.

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All men included in the sample were defined as heterosexual i. Most research on the prevalence of risky sexual behaviours has focused on subgroups of men thought to be at high risk for sexually transmitted infections STIsincluding men who have sex with men and substance-using males. Our findings support those from multiple studies that have determined that young age at sexual initiation increases likelihood of HIV and STI transmission among men; 82728 however, most of these prior studies were conducted with adolescents or young adults.

The elimination process that resulted in our study population is depicted in Figure 1. These responses were treated as missing observations, as the values are unknown. However, the use of CASI has been shown to decrease the possibility of biased information being collected and improving the validity of study findings, particularly in sexual behaviour research.

Learn More. Our study has important public health implications. Multiple variables amplified sexual risk for middle-aged men 31—44 years Table 3. Our study also found that young men with higher s of lifetime sexual partners had a two- to four-fold heightened risk for a positive STI test.

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As we utilised an existing dataset, we were restricted in the variables considered in the examination of sexual behaviours and risk among heterosexual men. Urine specimens 20—30 ml were collected in urine collection cups free of any preservatives for testing to detect gonorrhoea and chlamydia RNA by transcription-mediated amplification.

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We compared participants by age cohort on a range of demographic variables and sexual behaviours found to affect the likelihood of STI transmission, based on biologic plausibility and a review of the literature. Participants with positive test for any STI were offered treatment at no cost. The primary outcome of interest was sexual risk. Most research studies examining sexual behaviour have been conducted with adolescents and young adults; 6 — 8 however, sexual risk-taking and STI transmission among older adults is now recognised as a growing public health problem.

These findings demonstrate that age-related life experiences among heterosexual men influence sexual risk and STI transmission.

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Due to the dearth of studies on sexual risk among heterosexual men, continued research is needed regarding sexual behaviours within this population, particularly among older age groups. In younger men, having higher educational levels had a protective effect, whereas higher s of sexual partners elevated the risk for STIs.

This composite variable was constructed to denote a positive test result for the presence of at least one of the four STIs tested for in this study i. Similarly, research has observed a relationship between an increasing of sexual partners and the risk of STIs. The sub-analysis conducted by age cohort yields important information on the age-related variances in sexual behaviours and risk. Try out PMC Labs and tell us what you think.

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A 2 ml urine specimen was transferred into the GenProbe specimen transport tube within 24 hours of collection before being assayed. Data collected from this study were used to investigate sexual risk behaviour across the lifespan. A full description of the questionnaire has been published elsewhere.

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Moreover, information on the prevalence of sexual behaviours by socio-demographic characteristics is beneficial in the development and implementation of relevant policies and interventions to reduce STI prevalence, increase awareness, and improve quality of life. Despite these limitations, this study has some noteworthy strengths. Our study findings highlight the need for added public health efforts to reduce STI risk and transmission among heterosexual men beyond the adolescent period.

For older men, a younger age at first vaginal sexual encounter and a history of exchanging sex for money or drugs heightened sexual risk. This topic warrants further investigation to support the development and implementation of targeted interventions that may potentially reduce adverse sexual health outcomes.

In our analysis, we identified multiple protective and risk factors for STIs among heterosexual men that reinforce research findings. Although the majority of men in the study sample were uncircumcised The majority of men The frequency of oral sex was observed to decrease with increasing age 18—30 years: However, men within the middle-aged category reported the highest rates of anal intercourse Middle-aged adults also reported the highest proportion of experiences exchanging sexual intercourse for money or drugs The absence of condom use with vaginal sex increased with increasing age, with approximately one-quarter of young men Overall, the largest proportion of participants reported two to nine lifetime female sexual partners The risk estimates for the model of association with a positive test for an STI in this study sample by age cohort are presented in Table 3.

This resulted in a final sample size of men. Study administrators were available to provide assistance to participants with computer problems or issues with questions in the survey. The age cohorts were defined as 18—30, 31—44 and 45—70 years i. Roughly one-third of the sample resided in each of the three study sites, Brazil Young adult males were more likely to be single, whereas middle-aged and older adults 45—70 years were more likely to be married. In the USA, recruitment efforts involve print and radio advertising within a local university, as well as in the greater metropolitan area of Tampa.

Age-related variation in sexual behaviours among heterosexual men residing in brazil, mexico and the usa

More specifically, our suggest that age cohort is a key factor in the development and implementation of targeted approaches for STI prevention among men. Participants completed a sexual risk factor questionnaire and were tested for chlamydia, gonorrhoea, syphilis and genital herpes. The study sample size is sufficient to offer substantial power for the detection of group variances in the analysis.

A participant was considered positive for HPV if he tested positive for at least one genotype. Overall, there is a paucity of data on sexual risk-taking among various age cohorts of heterosexual men, including middle-aged and older men.

There are some potential limitations in this study. A reactive FTA-ABS test confirms the presence of treponemal antibodies but does not indicate the stage or presence of active infection. At the time of survey administration, participants were tested for chlamydia, gonorrhoea, herpes simplex virus 2 HSV2; also known as genital herpes and syphilis. This instrument assesses socio-demographic characteristics, alcohol and tobacco use, sun exposure, history of STIs, circumcision status, sexual history and contraceptive practices.

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Within this secondary dataset, some of the variables considered in this analysis were based on self-reported data, which may be affected by recall bias. While a standardised means of assessing sexual risk has not been established in the literature, the prevalence and occurrence of STIs have been identified as critical outcome measures of sexual risk. Black men in the study sample were nearly 1. SAS V. The study sample consisted of men, aged 18—70 years, with a mean age of A comparison of selected demographic characteristics by age cohort is presented in Table 1.

Upon study enrolment, men who provided consent for participation underwent a clinical examination. In this study, we examined the prevalence and correlates of sexual behaviours by age cohort within a cross-national sample of adult, heterosexual, sexually active men in Brazil, Mexico and the USA. The purpose of this study was two-fold: 1 to compare the prevalence of different demographic characteristics and sexual behaviours across age groups and 2 to estimate the ificance of multiple demographic and behavioural variables in predicting sexual risk by age cohort.

Study recruitment in Brazil is facilitated through media advertising and a centre for urogenital care in Sao Paulo, while in Mexico participants are recruited through the public health system, local factories and military personnel in Cuernavaca. Although we cannot exclude the possibility of residual confounding due to unmeasured variables, we controlled for several potential confounders in our statistical analysis.

Before DNA extraction, the three samples were combined to produce one DNA extract per participant and combined to produce a single clinical specimen. Variables included in the multivariate model were those found to be statistically ificant in the bivariate analysis. To compare the prevalence of demographic characteristics and sexual behaviours across age groups and to estimate their ificance in predicting sexual risk factors by age cohort.

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This was a cross-sectional analysis of baseline data collected within a cohort study. Sera were tested for syphilis infection by Rapid Plasma Reagin. Portuguese in Brazil; Spanish in Mexico and back-translated to English to ensure accuracy in the assessment process.

Our study found that STI positivity varied ificantly by age group among heterosexual men. Particularly because this study addresses highly sensitive information and practices i. The composite variable for sexual risk excluded HPV, as its prevalence is much higher relative to other STIs; within the study population, approximately half of the men are positive for HPV. Therefore, the exclusion of HPV ensured that the study assessed risky behaviour associated with general STI prevalence, rather than HPV prevalence which has ly been published as part of the parent study.

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A comprehensive health questionnaire was administered to study participants at enrolment. We found that STI positivity varied ificantly by age group among heterosexual men by a of covariates.