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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)

From: Vaccination coverage rates and predictors of HPV vaccination among eligible and non-eligible female adolescents at the Brazilian HPV vaccination public program

 Eligible Population
PR crude95% CIPR adjusted95% CI
Age (years)
 ≤ 131,00  1,00*  
 140,8920,8460,9420,8910,8440,940
 150,8280,7520,9110,8350,7570,920
Ethnic group
 White1000  1000  
 Black10510,979112910520,9791131
 Asiatic10230,887118010150,8771176
 Parda107910131149108710171162
 Indigenist0,9950,84511710,9890,8411162
Maternal level of education
 < 9 years of schooling1000  1000  
 9–11 years of schooling10010,915109410040,9171099
 Some college10200,930112010170,9211124
 College graduate10460,968112910300,9391131
Consumer goods and services score (tertiles)
 Lower1000  1000  
 Medium10090,950107110190,9581083
 Higher10300,977108710410,9781110
Type of school
 Private1000  1000  
 Public0,9640,896103710020,9201090
Has had sexual intercourse
 No1000  
 Yes0,9570,8841036
Number of sexual partners
 01000  1000  
 110120,932109810270,9411120
 2 or more0,8750,75510150,8990,7681053
Age at first intercourse (years)
 Not applicable1000  
 9 to 1110490,9261187
 12 to 140,9540,8781038
 15 to 190,8770,6021278
Condom use in most recent encounter
 Not applicable1000  
 Yes10270,9271137
 No0,9160,8181026
Condom use at first intercourse
 Not applicable1000  
 Yes0,9730,8631096
 No0,9500,8531057
Living/not living with parents
 Living with both parents1000  1000  
 Living with the mother only0,9980,938106210100,9471076
 Living with the father only10480,953115310490,9511156
 Living with neither parent0,9840,88910880,9910,8961096
Parents attentive to the problems and concerns of the respondent
 Almost always/always1000  1000  
 Never/rarely/sometimes0,9950,95110410,9980,9531045
  1. *p trend < 0.001