This survey noted a mean age of first intercourse of 13.1 years, a number lower than our observations (19.1 years).
Women with an age at first intercourse of 17 years or less had a 2 3-fold higher risk of cancer than those with first intercourse at 2 3-fold or older.
Out-of-schoolers also had the youngest female mean age at first intercourse of 16.48 years, as against 17.24 and 17.35 years, respectively, for vocational school and general school/university females (p < 0.001).
The variables "Education", "Marital status", "Smoking", "Age at first intercourse", "Number of lifetime of sexual partners" and the "Number of sexual partners in the past 3 months" were included in the multivariate model.
The variables "Education", "Marital status", "Smoking", "Age at first intercourse", "Number of lifetime of sexual partners" and the "Age at first full-term pregnancy" were included in the multivariate model.
In contrast, neither pregnancy, IUD use, nor any of the sexual habit variables (age at first intercourse, number of sexual partners) showed any relation with the development of CIN3+ among women with a persistent high-risk HPV infection.
This model was evaluated considering all explanatory variables (age, smoking, lifetime number of sexual partners, age at first intercourse, number of pregnancies, ethnicity, contraceptive method, marital status and cytology).
Detailed information about age at first intercourse, numbers of sexual partners and the frequency of cervical smearing outside the clinics was obtained from 52 of the women with cervical neoplasia and 139 matched controls.
For squamous cell carcinoma, increased risk was associated with increased number of regular sexual partners, early age at first intercourse, use of oral contraceptives, high parity, early age at first birth and long-term smoking.
Recent NHANES data showed higher HSV-2 seroprevalence associated with increasing age, younger age at first intercourse, number of lifetime sexual partners, and poverty [ 7].
Age-adjusted prevalence of abnormal cervical cytology was not significantly associated with the sexual history such as age at first intercourse, number of life time sexual partners and higher parity.
