A similar effect was observed when time since first sexual intercourse was assessed rather than age at first sexual intercourse.
All predictors were measured in Grade 8 and age at first intercourse was assessed yearly for three years.
The proportion of condom-protected intercourse acts was assessed in men who reported at least one intercourse act.
Number of lifetime sexual intercourse partners was assessed and reported as none or one (assumed to be low-risk) versus more than one.
It is important to notice that, frequency of use and the moment of drug use (before or during sexual intercourse) were not assessed.
13 14 Given the high vulnerabilities associated with HAI in commercial and non-commercial sex settings, a few research studies have assessed anal intercourse prevalence and associated factors among FSWs and the general population.
Fecundity the probability of pregnancy in couples having regular intercourse without contraception can be assessed by applying appropriate statistical approaches to time-to-pregnancy (TTP) data.
For example, information regarding extra-spousal intercourse, important for assessing risk for sexually transmitted infections, may have raised confidentiality concerns among some study participants.
Impact on sexual life (sexual intercourse and SQOL) was also assessed.
Sexual behaviour and condom use during sexual intercourse with multiple partners was assessed separately for women and men of 15-24 years of age.
