Table 5.

Final Poisson regression model for the selected groups of variables for Mollicutes, Mycoplasma spp., and Ureaplasma spp. among adolescents (N = 246); PrEP1519, Salvador, Brazil, April 2019 to February 2021

Positive test for Mollicutes
Variables	PR*	95% CI†		p-value
Receptive anal sex
No	1.00	-		-
Yes	1.78	1.03–3.09		0.039
Clinical suspicion of STI
Normal test result	1.00	-		-
Altered test result	1.46	1.01–2.49		0.041
Positive test for Mycoplasma spp.
Variables	PR*	95% CI†		p-value
Receptive anal sex
No	1.00	-		-
Yes	2.10	0.85–5.23		0.109
Group sex
No	1.00	-		-
Yes	1.97	1.08–3.59		0.027
Clinical suspicion of STI
Normal test result	1.00	-		-
Altered test result	1.60	0.77–3.35		0.208
Positive test for Ureaplasma spp.
Variables	PR*	95% CI†		p-value
Age
15–17 yo	1.00	-		-
18–19 yo	0.68	0.99–2.85		0.056
Steady sexual partner in the last three months
No	1.00	-		-
Yes	0.72	0.45–1.16		0.180
Positive test for M. genitalium
Variable	PR*	95% CI†		p-value
Condom use in the last three months
Consistent	1.00	-		-
Inconsistent	3.31	0.71–15.31		0.126
Group sex
No	1.00	-		-
Yes	1.82	0.58–6.02		0.299
Positive test for M. hominis
Variables	PR*	95% CI†		p-value
Receptive anal sex
No	1.00	-		-
Yes	2.02	0.72–5.72		0.183
Group sex
No	1.00	-	-
Yes	2.19	1.09–4.38	0.027
Positive test for U. urealyticum
Variables	PR*	95% CI†	p-value
Sexual Orientation
Homosexual/Gay/Lesbian	1.00	-	-
Bisexual/Heterosexual	0.63	0.32–1.24	0.181
Interference of alcohol in condom use
No	1.00	-	-
Yes	1.33	0.72–2.49	0.365

PR crude prevalence ratio, CI confidence interval, STI sexually transmitted infection, MSM men who have sex with men, TGW transgender women