Table 3 Bivariate and multivariate analysis of predictors of intention to vaccinate sons with the human papillomavirus (HPV) vaccine (n = 1300)
CharacteristicIntend to vaccinate n (%)Unadjusted odds ratio (95% CI)Adjusted odds ratio (95% CI)
Age (in years) of respondent
⩽39299 (69.4)1.0
>40635 (67.2)0.9 (0.7 to 1.2)
Region of residence of respondent
British Columbia/Yukon167 (62.1)0.4 (0.3 to 0.7)*0.4 (0.2 to 0.8)
Prairies/Northwest Territories/Nunavut185 (66.8)0.5 (0.3 to 0.8)0.6 (0.3 to 1.1)
Ontario310 (67.0)0.5 (0.3, 0.8)0.7 (0.4 to 1.2)
Quebec165 (75.7)0.8 (0.4, 1.3)1.1 (0.6 to 2.2)
Atlantic Canada99 (79.8)1.01.0
Gender of respondent
Male211 (61.7)1.0
Female704 (70.3)1.5 (1.1 to 1.9)*
Cultural background of respondent
Caucasian780 (67.4)1.0
Aboriginal28 (84.8)2.7 (1.0 to 7.1)*
Other130 (68.4)1.0 (0.8 to 1.5)
Education level of respondent
High school diploma or less271 (72.7)1.01.0
More than high school diploma667 (66.2)0.7 (0.6 to 1.0)*0.7 (0.5 to 0.9)
Number of children
One child293 (64.1)1.01.0
More than one child642 (70.0)1.3 (1.0 to 1.6)*1.4 (1.1 to 2.0)
Female sibling
No479 (65.7)1.0
Yes459 (70.4)1.2 (1.0 to 1.6)
Household composition
Two parent693 (65.7)1.0
Not two parents238 (75.6)1.6 (1.2 to 2.2)*
Religious affiliation of respondent
None201 (70.8)1.0
Any737 (67.2)0.9 (0.6 to 1.1)
Religion guides daily decisions
Disagree472 (69.6)1.0
Agree466 (66.3)0.9 (0.7 to 1.1)
Children received childhood vaccines
No1 (0.0)1.0
Some or all935 (68.3)19.4 (2.5 to 153.5)*
Ever heard of HPV
No410 (62.7)1.01.0
Yes527 (72.6)1.6 (1.3 to 2.0)*1.4 (1.1 to 2.0)
Knowledge of HPV transmission
No671 (65.7)1.0
Yes267 (74.2)1.5 (1.1 to 2.0)*
Ever diagnosed with cancer
No875 (67.5)1.0
Yes63 (74.1)1.4 (0.8 to 2.3)
Know anyone who had cancer
No103 (76.3)1.0
Yes833 (67.0)0.6 (0.4 to 1.0)*
Likely someone you know will get cancer of cervix
Unlikely247 (60.1)1.0
Likely691 (71.2)1.6 (1.3 to 2.1)*
Attitudes to vaccine(s) and HPV vaccine
Negative5 (5.2)1.01.0
Positive933 (72.7)48.9 (19.7 to 121.3)*41.5 (9.5 to 181.7)
Subjective norms
Not influential152 (34.0)1.01.0
Influential786 (84.2)10.4 (8.0 to 3.6)*7.8 (5.8 to 10.5)
Perceived behavioural control
Not able to control141 (63.2)1.0
Able to control794 (68.7)1.3 (0.9 to 1.7)
Influence of vaccine on sexual behaviour
Negative influence139 (47.3)1.01.0
No influence799 (73.5)3.1 (2.4 to 4.0)*2.3 (1.6 to 3.3)
  • *p<0.05.