In bivariate analysis, level of education, knowledge about sexual transmission of STIs, peer sexual norms, early age at first sex, multiple sexual partners, and exposure to STI symptoms were significant related to adolescent's perception of personal risk of STIs (see Table 5).
Thus, TDR-associated mutations in Beijing MSM may serve as evidence for prevalent high risk behavior such as repeated unprotected exposure to multiple sexual partners.
The increased infection rates among young women are attributable to higher exposure to HPV through multiple sexual partners.
In Ethiopia, where HIV and syphilis has strong association, and transmission of the former is primarily through heterosexual exposure, 17 people with multiple sexual partners would obviously be at higher risk of contracting syphilis as well.
For example, those vaccinated at age 12 years likely have a modal age of coitarche of 15 18 years [ 30], and a period of maximum exposure to HPV, due to multiple sexual partners, from age 15 to 30 years.
Accordingly, the study participants responded mainly to the following HCT-related and sexual behavior-related variables: sex, age, religion, marital status, work experience, monthly income, HIV/AIDS-related knowledge, HCT-related knowledge, attitude toward "ABC" rules, history of sexual exposure, HCT uptake, and history of condom use and multiple sexual partners in the previous year.
21, 22 It is also believed that some younger secondary school teachers have more exposure to risky sexual behavior or multiple sexual partners than their primary school counterparts because of potential sexual relationships with their female students.
Among the sexually experienced, 31% had multiple sexual partners.
According to various studies [ 15, 19, 20] conducted early age at first sexual intercourse and having multiple sexual partners are considered as factors that make women susceptible to the exposure of HPV.
