Table 2.

HPV vaccination coverage in the eligible population, in relation to the potential predictor factors. Prevalence Ratios (PR), crude and adjusted, with 95% confidence interval (95% CI)

	Eligible Population
	PR crude	95% CI		PR adjusted	95% CI
Age (years)
≤ 13	1,00			1,00*
14	0,892	0,846	0,942	0,891	0,844	0,940
15	0,828	0,752	0,911	0,835	0,757	0,920
Ethnic group
White	1000			1000
Black	1051	0,979	1129	1052	0,979	1131
Asiatic	1023	0,887	1180	1015	0,877	1176
Parda	1079	1013	1149	1087	1017	1162
Indigenist	0,995	0,845	1171	0,989	0,841	1162
Maternal level of education
< 9 years of schooling	1000			1000
9–11 years of schooling	1001	0,915	1094	1004	0,917	1099
Some college	1020	0,930	1120	1017	0,921	1124
College graduate	1046	0,968	1129	1030	0,939	1131
Consumer goods and services score (tertiles)
Lower	1000			1000
Medium	1009	0,950	1071	1019	0,958	1083
Higher	1030	0,977	1087	1041	0,978	1110
Type of school
Private	1000			1000
Public	0,964	0,896	1037	1002	0,920	1090
Has had sexual intercourse
No	1000			–	–	–
Yes	0,957	0,884	1036	–	–	–
Number of sexual partners
0	1000			1000
1	1012	0,932	1098	1027	0,941	1120
2 or more	0,875	0,755	1015	0,899	0,768	1053
Age at first intercourse (years)
Not applicable	1000			–	–	–
9 to 11	1049	0,926	1187	–	–	–
12 to 14	0,954	0,878	1038	–	–	–
15 to 19	0,877	0,602	1278	–	–	–
Condom use in most recent encounter
Not applicable	1000			–	–	–
Yes	1027	0,927	1137	–	–	–
No	0,916	0,818	1026	–	–	–
Condom use at first intercourse
Not applicable	1000			–	–	–
Yes	0,973	0,863	1096	–	–	–
No	0,950	0,853	1057	–	–	–
Living/not living with parents
Living with both parents	1000			1000
Living with the mother only	0,998	0,938	1062	1010	0,947	1076
Living with the father only	1048	0,953	1153	1049	0,951	1156
Living with neither parent	0,984	0,889	1088	0,991	0,896	1096
Parents attentive to the problems and concerns of the respondent
Almost always/always	1000			1000
Never/rarely/sometimes	0,995	0,951	1041	0,998	0,953	1045

*p trend < 0.001