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HPV knowledge and impact of genital warts on self esteem and sexual life in Colombian patients



Information on HPV knowledge in patients with genital warts is scarse as is the information on factors related to the impact on self-esteem and sex life among them.


We conducted a cross-sectional study in adult patients with a clinical diagnosis of genital warts (GW) attending a major private out-patient clinic in Bogotá, Colombia. Patients underwent biopsy for pathological diagnosis, HPV-DNA testing and completed a questionnaire assessing HPV knowledge, and the consequences of GW on self-esteem and sexual life. Differences in proportions were assessed with a chi2 test.


106 men and 155 women had pathologic confirmation of GW. 51% of subjects had heard of HPV before consultation coming mainly from the media (82%). Less than half of the participants knew that HPV could be transmitted through non-penetrant sexual intercourse and only two thirds acknowledged HPV vaccine as a preventive measure against HPV infection. Impact on self-esteem was higher among women than men (90.3% vs 60.4%, [p < 0.01]). In men, factors related to a higher impact on sexual life were HPV awareness and age; in women they were higher education and anatomic location; external GW had a higher impact on sexual life in women (83% vs. 66%; [p = 0.05]).


We found a low awareness of HPV and low knowledge on the vaccine as a preventive measure for associated diseases even in patients suffering from genital warts, highlighting the need for communication and education on HPV. Greater impact on self-esteem in women might reflect higher health consciousness among Latin American women.

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Genital warts (GW) are caused by infection with certain types of human papillomavirus virus (HPV) and are one of the most prevalent sexually transmitted infections in the world [1, 2]. The disease affects mainly adolescents and young adults, who are more sexually active and therefore susceptible to primary HPV infection after the onset of sexual activity [1].

Although information on the prevalence of genital warts is scarce, it is estimated to be approximately 1% among the sexually active populations in some high-income countries. Data also suggest that the cumulative lifetime risk of GW can reach around 10% [1, 3, 4]. In addition, several epidemiological studies show that the prevalence of genital warts seems to be increasing [4].

The recent development of prophylactic HPV vaccines that provide protection from HPV types 6 and 11 (types implicated in more than 90% of genital warts) [5] is a potential benefit for the reduction in the burden of GW in populations where HPV vaccination with the quadrivalent vaccine has been introduced. This benefit has been demonstrated in the Australian population since the start of HPV vaccination [6]. The assessment the benefit of HPV vaccination with respect to GW in other populations will likely follow based on the prevalence of the disease, the related costs and a better understanding of the knowledge regarding HPV and its health consequences.

In the Latin American or Hispanic population, despite the high burden of cervical cancer in the region [7], little is known concerning either the burden of GW or the general population’s knowledge of HPV and related diseases. A systematic review of HPV knowledge that included 39 studies showed that only two of them had been carried out in Latin America [8]. More recently, other studies have dealt with this issue in Colombia [9, 10].

Importantly, the proportion of persons that have heard about HPV varies between studies (13% to 95%), but most report that, in general, the knowledge of the virus remains lacking [8] although after the introduction of the vaccine it has improved substantially [11, 12]. In Colombia, HPV vaccine was introduced in 2012 in a school-based program; a nation-wide survey performed in 2010 revealed that among women between the ages of 18 and 69, 44% were aware of HPV and 25% had heard about the HPV vaccine [13]. Awareness of the association between HPV and GW was explored in a Brazilian study showing that only 5% of interviewed persons had knowledge of the virus’ association to GW [14].

Data indicate that patients with GW suffer anxiety, experience shame and carry the stigma of having a venereal disease. All of these disease sequelae affect sexual and love lives as well as health-related quality of life [1518], though there are little empirical data on how psychological distress related to GW impacts quality of life [19, 20].

The aim of this study was to examine awareness and knowledge of both the HPV virus and the HPV vaccine, as well as explore how genital warts affects self esteem and sexual life in patients with genital warts attending an outpatient clinic in Bogotá, Colombia.


Study design and participants

The present report was part of a broader study entitled “Prevalence of HPV genotypes in genital warts of a Colombian population” that was approved by the Ethical Review Board of Profamilia a in Bogotá, Colombia.

Between December 2009 and August 2010 we invited male and female patients, aged 18 to 45 years, who lived in Bogotá at the beginning of the study and who attended the clinic with lesions suspected of GW. Patients with clinical diagnosis of GW were invited by the gynecologist or urologist in the first consultation to participate in the study and consented their participation; all patients underwent a biopsy for the establishment of the associated HPV genotypes and afterwards a questionnaire was applied by a trained interviewer. Patients not willing to participate, having received the HPV vaccine or with a known diagnosis of an immune suppressive disease were excluded from the study. The questionnaire included sociodemographical aspects, awareness and knowledge of HPV and HPV vaccine, sources of HPV-related information, initiation of sex life and previous medical history of STDs. Clinical features of the lesions diagnosed were also registered.

Affiliation to the Colombian Health System was defined according to the law in three broad regimes: ‘contributive’, corresponding to workers or their families, where a proportion of the salary goes to the payment of the insurance; ‘subsidized’ corresponding to persons and their families of lower economic conditions where the government subsidizes their basic health care and ‘non-affiliated’ for those who at the moment of the clinical diagnosis were not covered by the health system.

Awareness of HPV and HPV vaccine was assessed through the question whether patients had heard about HPV (or HPV vaccine) before coming to the clinic. Knowledge was assessed through a series of “false or negative” statements on HPV transmission, on HPV related diseases (cancer and genital warts) and on preventive measures (vaccination, use of condom, number of sexual partners). To evaluate the effect of GW on self-esteem we included the following question used in a qualitative study [20]. “Have GW affected your self-esteem?” with a ‘yes/no’ option answer. In addition to assess the impact of GW on sexual life we used a visual analogous scale where “0” reflected “no concern”, ratings from 1 to 3 “mild” impact, from 4 to 7 “moderate” impact and from 8 to 10 “severe” impact. The questions and level of concern were selected considering previous reports on impact of genital warts [2, 20].

Physicians involved in the study were given a short training on general conceptual and operative aspects of the study. A pilot study with 20 patients was carried out for adjustment of questionnaires and general procedures.

Statistical analyses

Frequencies were presented as absolute values and percentages. Differences in proportions, were assessed with a chi2 test. A multinomial lineal model was used to evaluate what variables were associated with self-esteem, calculating prevalence ratios and 95% confidence intervals. A multivariate model was used to check whether there was confusion between variables related to awareness of HPV and HPV vaccine. All statistical procedures were performed using STATA® software.


The study included 342 patients (139 men and 204 women) with genital lesions suspected to be GW, with a participation rate of 99% (Only three patients refused to participate). From these, 106 (77%) men and 155 (76%) women had pathologic confirmation of GW and all responded the survey and were included into the analysis

45% of the study population was between 25 and 34 years old and 40% was 18 to 24 years old. The majority (71,7%) pertained to the contributive health regime. Half of the men and women had heard about HPV before consultation (Table 1). There were no significant differences in HPV awareness according to gender, age and number of life-time sexual partners. On the contrary, awareness of HPV was higher among patients with higher education, married persons and in those affiliated to the contributive regime.

Table 1 Awareness of HPV and HPV vaccine among study population

Only 25% of men had heard about the HPV vaccine, though this measure was also significantly higher among patients with higher education, affiliated to the contributive regime, and among those with 1 to 4 life-time sexual partners. The main source of information in both men and women was the media (82%) (Table 1). Awareness of HPV as well as of the HPV vaccine was higher among patients with recurrent warts, although the difference was not statistically significant. The multivariate model yielded no confounding in variables related to awareness (results not shown).

Among those who had heard about HPV, virtually all knew that HPV was a sexually transmitted disease, although less than 50% of men and women knew that the infection can also be passed through non-penetrant sexual intercourse and almost 60% responded erroneously that HPV was also transmitted trough contact with infected objects (Table 2). The majority of patients knew that the use of condom would reduce the probability of infection with HPV (slightly more women than men 81% versus 91% (p value 0.02)(Table 2) Almost all patients (98%) knew that the HPV infection causes genital warts and 82% knew that it causes cervical cancer. Only 60% of the patients identified the vaccine as a way to reduce infection (Table 2).

Table 2 Knowledge of HPV among male and female patients with genital warts

In response to the question “Have GW affected your self-esteem?”, 90% of women and 62% of men responded affirmatively (p < 0.01). When exploring the variables that might be associated with this outcome by sex, none of them showed a statistically significant association (Table 3).

Table 3 Multivariate prevalence ratios (PR) of factors associated with impact on self-esteem in men and women

Women with GW were more likely to report a severe impact on sex life than men (77% vs 46%, [p < 0.001]). Factors associated with this outcome were not the same by sex. In men, both age and knowledge of HPV were related to a severe impact on sex life. Absence of impact decreased to 25% in men aged 35–44 years from 63% in men aged 18–24 years. Likewise, absence of impact on sexual life decreased with HPV awareness from 43.4% to 26.4% (p value 0.05) (Table 4).

Table 4 Patients impact on sexual life associated with genital warts, men

In contrast, among women, education and anatomic location of GW were associated with GW impact on sex life (Table 5). Impact on sexual life was significantly higher among those with high and postgraduate educational levels, as well as among those whose warts were located either in the labia or perineum, compared to those who had them in the introitus (83% vs. 66%; p 0.05) (Table 5).

Table 5 Patients impact on sexual life associated with genital warts, women


The population studied were young adult patients confirming the higher prevalence of GW among young population [1]. Half of the patients declared that they had heard about HPV. This result is lower than awareness of HPV in general population in an international comparison (61%) [12] and contrasts with data indicating very low awareness of HPV in a previous Colombian study [9], but is similar to a nation-wide survey where 44% of the women between 13 and 69 years of age had heard about the HPV virus [13]. The data are also similar to a study in Latin American immigrants in the United States, where 47% of women surveyed were aware of HPV [21]. Nevertheless, considering that the study population consisted of patients with GW, the results indicate a low level of knowledge of HPV, as has been reported in a systematic review [8]. In Australia, 63% of women are aware of HPV while another study of Latin American women found 65% awareness of the virus [22, 23].

We found no differences in HPV awareness based on gender or age. Although reports in the literature vary on whether sex and age are associated with HPV knowledge [21, 23, 24], the bottom line of most results on HPV awareness is poor knowledge about HPV in both men and women, independent of age [8, 25]. In our study, more than 80% of the patients knew that HPV can cause cervical cancer and almost all knew that it can cause genital warts. This result show higher knowledge on HPV as a cause of cervical cancer than a report among Hispanic women in US [26] but similar results to a German study where 97% of young women knew that HPV causes cervical cancer [11]. On the contrary, in the same study only 49% of the population knew that HPV causes genital warts, which contrast with the results of our study. It has to be considered that in the present study patients already had genital warts and an information bias due to the procedures cannot be ruled out, as the interview was performed after the biopsy had taken place. Although almost all patients aware of HPV knew that HPV was sexually transmitted, only half of them actually knew that HPV infection can be transmitted through non-penetrating sexual intercourse. This highlights the importance of educating the population about HPV. In fact, education level was the only factor positively associated with HPV awareness in men and women in our study. Higher levels of HPV knowledge among patients with higher levels of education has also been reported elsewhere [9, 14, 27].

There were differences in knowledge of the HPV vaccine among men and women. In women, knowledge of the HPV vaccine was similar to knowledge of HPV. While half of women knew about the HPV vaccine, only 26% of men had heard about it. A possible explanation may be related to more frequent health consultations among women and to a closer involvement with cervical cancer screening [28], exposing them to receive more and better information on health issues and cervical cancer prevention. As for HPV, education level was also associated with HPV vaccine knowledge. This probably also explains partially that patients from the contributive regime (that in general had a better educational background) had better knowledge on HPV and the HPV vaccine than patients from the subsidized regime or patients without affiliation to the health care system.

The majority of participants reported that GW lesions influence their self-esteem and cause a severe impact on sexual life, especially in women. These results reflect the emotional distress caused by GW that has been found in several studies around the world [2, 19, 29, 30]. A greater distress in women with external GW lesions is aligned with previous observations where the psychological impact of a sexually transmitted disease diagnosis (regardless of which one) seems to be greater in women than in men [31]. Nevertheless, our results showed that knowledge of HPV and age was associated with impact on sex life in men. Thus, older men who recognize genital warts as a sexually transmitted disease might be more affected in their sexual life. Recently, a study in the UK reported that male individuals with genital warts (age 25–44) had a lower quality of life than population controls of the same age group [32]. It is worth mentioning that the same study reported a higher impact among women, but without significant variation with age. Although that study observed a recovery trend in quality of life scores after clearance of genital warts, it was not significant, suggesting that the negative impact of genital warts may still be present long after clearance.

A strength of this study is the fact that the study included individuals from a broad age group with a diagnosis of GW. Most previous reports have been based on people with previous diagnoses of GW or general population samples (most focusing on students). To our knowledge it is the first study in Latin America evaluating awareness, knowledge and attitudes towards HPV in male and female patients affected by GW. The majority of the studies in our region have focused on cervical cancer and pre neoplasic lesions. The main limitation of the present study is that we didn’t use a pre-established validated questionnaire nor any cognitive testing or focus groups to assess the impact of GW in individuals. As such, ratings of the impact on sexual life remain subjective and without explanation on the issues lying behind. However, we explored 2 of the domains included in such instruments [33] that have shown significant relation to genital warts in other studies [15, 3234]. However, our results are consistent with the literature and could be a starting point for further evaluations of health quality life impact. Finally, the patients attending the out-patient clinic where the study was performed may not represent all patients with genital warts in the country.


We found evidence of low HPV awareness in patients with GW. No differences in HPV knowledge were seen among different gender or age strata. Despite HPV awareness, GW affect both, self-esteem and sexual life in women and in older men, who identify GW as a sexually transmitted disease. This information is valuable to highlight the burden of HPV beyond cervical cancer in Latin American populations and encourages further research in this field. It also clarifies the benefits and needs of HPV prevention through education and vaccination.


aProfamilia (Asociación Pro-bienestar de la Familia Colombiana) is a private organization, specialized in sexual and reproductive health that offers medical services throughout the country.


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We like to thank to all gynecologists and urologists at the out-patient clinic of PROFAMILIA in Bogotá for their collaboration and support enrolling patients for the study. We also are grateful with Dr Gloria Sánchez and her team for the HPV DNA analysis at the Universidad de Antioquia. Special thanks to Johana Deschamps, Luisa Medina and Arlenne Cano for administrative support and monitoring of this study. We would also like to thank Scott Vuocolo for review of the manuscript for content and language.

The project was supported by the IISP Program (Investigator Studies Program - Grant No. 35335) of Merck Sharp and Dohme (MSD). The company was not involved in the study design, collection, analysis of results, writing of the report and decision to submit the paper.

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Correspondence to Marion Piñeros.

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Competing interests

Marion Piñeros has been member of an Advisory Board of MSD for HPV vaccine and has received travel grants from MSD for attending scientific meetings; Gustavo Hernández has received travel grants from MSD for attending scientific meetings; Gonzalo Pérez is employee at Merck&Co, INC.; the other authors declared no conflicts of interest. IJME formats have been uploaded for each author.

Authors’ contributions

MP participated in the design of the study, supervision, analysis and writing of the present manuscript. GHS participated in the design of the study, conduction, supervision, data processing, analysis, critical appraisal of the manuscript and writing of some parts of the article. LO participated in the pilot study, data collection, interviewing of patients, quality review and critical appraisal of the manuscript. JCV participated in the pilot study, data collection and critical appraisal of the manuscript. GP participated in the conception of the study, design of the study, data review and critical appraisal of the manuscript. All authors read and approved the final manuscript.

Gustavo Hernández-Suárez, Liliana Orjuela, Juan Carlos Vargas and Gonzalo Pérez contributed equally to this work.

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Piñeros, M., Hernández-Suárez, G., Orjuela, L. et al. HPV knowledge and impact of genital warts on self esteem and sexual life in Colombian patients. BMC Public Health 13, 272 (2013).

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