Table 3. Raw and adjusted HPV infection prevalence ratios for selected variables among women residing in the coverage area of the Family Health Strategy. Juiz de Fora, State of Minas Gerais, 2010–2012.

Variable	Category	Gross PR	95%CI	P	Adjusted PR	95%CI
Age group (years)	45–59	1	-	-	1	-
	35–44	1.31	0.84–2.03	0.233	1.08	0.67–1.74
	25–34	3.65	2.54–5.25	< 0.001	2.66	1.74–4.07
	20–24	5.34	3.65–7.79	< 0.001	3.59	2.23–5.78
Marital status	Married (lifetime)	1	-	-	1	-
	Single (lifetime)	2.26	1.79–2.84	< 0.001	1.40	1.07–1.84
Middle school	Incomplete	1	-	-	1	-
	Complete	2.06	1.59–2.67	< 0.001	1.11	0.82–1.50
Health assessment	Very poor to regular	1	-	-	1	-
	Good to very good	1.40	1.10–1.79	0.006	1.15	0.90–1.48
Alcohol consumption	No (never)	1	-	-	1	-
	Yes	1.89	1.49–2.38	< 0.001	1.44	1.11–1.86
Current smoker	No	1	-	-	1	-
	Yes	1.36	1.05–1.76	0.018	1.23	0.92–1.64
Contraception	No method	1	-	-	1	-
	Any method	1.68	1.26–2.23	< 0.001	1.01	0.75–1.36
Nulliparity	No	1	-	-	1	-
	Yes	2.04	1.57–2.66	< 0.001	1.11	0.80–1.55
Age at sexarche	≥16 years	1	-	-	1	-
	≤ 15 years	1.49	1.17–1.92	0.001	0.95	0.72–1.26
Number of sexual partners	Up to 3 (lifetime)	1	-	-	1	-
	Over 3 (lifetime)	1.84	1.45–2.33	< 0.001	1.35	1.04–1.74