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Table 6 Association between selected socio-demographic factors, personal beliefs and characteristics, and attitudes of students to being vaccinated against HPV, by gender.1

From: Knowledge of human papillomavirus infection and its prevention among adolescents and parents in the greater Milan area, Northern Italy

  Males    Females   
  In favour of HPV vaccination (n = 78) Against or doubtful about HPV vaccination (n = 123) OR (95% CI) 2 In favour of HPV vaccination (n = 431) Against or doubtful about HPV vaccination (n = 196) OR (95% CI) 2
  No. (%) No. (%)   No. (%) No. (%)  
Age (years)       
<16 29 (37.2) 55 (44.7) 1 (reference) 156 (36.2) 72 (36.7) 1 (reference)
16-17 37 (47.4) 51 (41.5) 1.40 (0.75-2.61) 198 (45.9) 100 (51.0) 0.95 (0.65-1.37)
≥18 12 (15.4) 17 (13.8) 1.38 (0.58-3.31) 77 (17.9) 24 (12.2) 1.51 (0.88-2.59)
Religion       
Catholic 66 (84.6) 100 (81.3) 1 (reference) 382 (88.6) 165 (84.2) 1 (reference)
Other/no religion 12 (15.4) 23 (18.7) 0.77 (0.35-1.66) 49 (11.4) 31 (15.8) 0.67 (0.41-1.10)
Highest education qualification of parents       
Middle school diploma 7 (9.0) 11 (8.9) 1 (reference) 55 (12.8) 30 (15.3) 1 (reference)
High school diploma 23 (29.5) 38 (30.9) 0.94 (0.32-2.80) 177 (41.1) 82 (41.8) 1.13 (0.67-1.91)
Degree 48 (61.5) 74 (60.2) 1.06 (0.38-2.97) 199 (46.2) 84 (42.9) 1.27 (0.76-2.14)
Thinks that HPV might concern him/her 3       
No/Does not know 42 (53.8) 106 (86.2) 1 (reference) 207 (48.7) 136 (69.7) 1 (reference)
Yes 36 (46.1) 17 (13.8) 5.73 (2.85-11.5) 218 (51.3) 59 (30.3) 2.39 (1.66-3.46)
Has a boyfriend/girlfriend 3       
No 52 (66.7) 83 (69.7) 1 (reference) 283 (65.8) 113 (57.6) 1 (reference)
Yes 26 (33.3) 36 (30.2) 1.16 (0.62-2.17) 147 (34.2) 83 (42.3) 0.67 (0.47-0.97)
Has had sexual intercourse 3       
No 55 (70.5) 90 (76.3) 1 (reference) 335 (78.3) 142 (72.4) 1 (reference)
Yes 23 (29.5) 28 (23.7) 1.30 (0.65-2.62) 93 (21.7) 54 (27.5) 0.68 (0.44-1.03)
Knows that HPV vaccine is aimed at preventing cervical cancer 3       
No/Does not know 17 (44.7) 23 (35.9) 1 (reference) 75 (23.1) 36 (28.3) 1 (reference)
Yes 21 (55.3) 41 (64.1) 0.69 (0.30-1.61) 249 (76.8) 91 (71.6) 1.26 (0.79-2.03)
  1. CI = confidence interval; OR = odds ratio. 1 The numbers of subjects are not the same as in Table 4 because those with missing information relating to one or more of the socio-demographic covariates in the models (n = 35; 4% of the total) were excluded. 2 ORs from multivariate logistic regression models, adjusted for age and religion of child, and education of parents. 3 The numbers do not add up to the total because of missing answers.