Table 3.

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

	Non-eligible population
	PR crude	95% CI		PR adjusted	95% CI
Age (years)
≤ 15	1000			1,00*
16	0,608	0,483	0,765	0,615	0,487	0,777
17	0,617	0,486	0,784	0,617	0,489	0,779
Ethnic group
White	1000			1000
Black	1078	0,795	1464	1220	0,914	1628
Asiatic	0,815	0,534	1244	0,888	0,573	1376
Parda	0,937	0,787	1114	1031	0,868	1224
Indigenist	1096	0,620	1938	1202	0,659	2191
Maternal level of education
< 9 years of schooling	1000			1000
9–11 years of schooling	0,924	0,662	1289	0,923	0,671	1271
Some college	1020	0,783	1329	0,953	0,733	1239
College graduate	1627	1233	2147	1419	1040	1937
Consumer goods and services score (tertiles)
Lower	1000			1000
Medium	1154	0,846	1573	1138	0,832	1557
Higher	1376	1044	1813	1190	0,883	1603
Type of school
Private	1000			1000
Public	0,744	0,592	0,935	0,918	0,709	1189
Has had sexual intercourse
No	1000			–	–	–
Yes	0,959	0,804	1144	–	–	–
Number of sexual partners
0	1000			1000
1	0,947	0,757	1185	1055	0,855	1301
2 or more	0,963	0,759	1222	1089	0,845	1403
Age at first intercourse (years)
Not applicable	1000			–	–	–
9 to 11	1060	0,389	2887	–	–	–
12 to 14	1162	0,919	1471	–	–	–
15 to 19	0,825	0,661	1032	–	–	–
Condom use in most recent encounter
Not applicable	1000			–	–	–
Yes	0,850	0,662	1091	–	–	–
No	1033	0,830	1286	–	–	–
Condom use at first intercourse
Not applicable	1000			–	–	–
Yes	0,715	0,514	0,995	–	–	–
No	1042	0,870	1247	–	–	–
Living/not living with parents
Living with both parents	1000			1000
Living with the mother only	0,990	0,762	1286	1044	0,804	1357
Living with the father only	0,505	0,306	0,832	0,509	0,307	0,846
Living with neither parent	0,766	0,540	1088	0,851	0,592	1223
Parents attentive to the problems and concerns of the respondent
Almost always/always	1000			1000
Never/rarely/sometimes	0,847	0,707	1014	0,860	0,713	1038

*p trend < 0.001