CI=confidence interval; OR=odds ratio; ORadj=adjusted odds ratio; Ref=reference level.a Time-averaged over four study visits.b Adjusted for positivity to the other HPV genus, age, lifetime number of sex partners, any sex in last interval, and new sex in last interval.c Positive for any type of the other HPV genus at same visit; corresponds to betapapillomavirus positivity for columns where alphapapillomavirus prevalence is the outcome, and alphapapillomavirus positivity for columns where betapapillomavirus prevalence is the outcome.
Table IV. Prospective association between alphapapillomavirus and betapapillomavirus type-specific positivity (summed over all types within genera), age, and lifetime number of sex partners.