Table 3.
Variable | OR | SE | 95% CI | p value |
---|---|---|---|---|
Model 1. Having heard about HPV infection and having the knowledge that infection can be transmitted through sexual intercourse | ||||
Log likelihood =− 534.32, χ2 = 49.95 (7 df), p<0.0001 | ||||
Aware about the availability of the HPV vaccine in Italy | 2.23 | 0.43 | 1.52–3.27 | <0.001 |
Physicians as sources of information about the HPV vaccine | 2.14 | 0.44 | 1.42–3.21 | <0.001 |
Age at first complete sexual intercourse | ||||
No complete sexual intercourse | 1* | |||
<18 years | 1.5 | 0.26 | 1.07–2.11 | 0.019 |
≥18 years | 1.8 | 0.45 | 1.09–2.96 | 0.02 |
Health checkup in the last year | 1.33 | 0.2 | 1.01–1.78 | 0.05 |
Number of partners in the last year | ||||
0 | 1* | |||
≥2 | 1.26 | 0.24 | 0.86–1.84 | 0.227 |
Socio-economic status | ||||
Low | 1* | |||
High | 0.84 | 0.14 | 0.61–1.16 | 0.301 |
Model 2. Positive attitude toward willingness to receive the HPV vaccine | ||||
Log likelihood = −429.47, χ2 = 222.76 (10 df), p<0.0001 | ||||
Agree that the HPV vaccine is important for the protection against oral, penile, and anal cancers | 1.31 | 0.04 | 1.22–1.4 | <0.001 |
Agree that males should receive the HPV vaccine | 3.28 | 0.55 | 2.35–4.58 | <0.001 |
Age | 0.9 | 0.03 | 0.85–0.96 | 0.002 |
Age at first complete sexual intercourse | ||||
No complete sexual intercourse | 1* | |||
≥18 years | 3.89 | 1.83 | 1.54–9.8 | 0.004 |
<18 years | 1.73 | 0.67 | 0.8–3.7 | 0.156 |
Knowledge that both males and females can acquire the HPV infection | 1.49 | 0.28 | 1.03–2.15 | 0.032 |
Preoccupation to acquire the HPV infection | 1.06 | 0.04 | 0.99–1.15 | 0.097 |
Socio-economic status | ||||
Low | 1* | |||
High | 1.29 | 0.25 | 0.88–1.87 | 0.183 |
Number of partners in the last year | ||||
0 | 1* | |||
1 | 0.67 | 0.25 | 0.32–1.38 | 0.282 |
≥2 | 0.65 | 0.25 | 0.31–1.39 | 0.273 |
Model 3. Perceived need of more information about the HPV vaccine | ||||
Log likelihood =− 311.26, χ2 = 52.57 (10 df), p<0.0001 | ||||
Agree that the HPV vaccine is important for the protection against oral, penile, and anal cancers | 1.14 | 0.37 | 1.05–1.23 | 0.001 |
Age at first complete sexual intercourse | ||||
No complete sexual intercourse | 1* | |||
≥18 years | 3.19 | 1.55 | 1.23–8.29 | 0.017 |
Physicians as sources of information about the HPV vaccine | 2.25 | 0.79 | 1.13–4.49 | 0.21 |
Number of partners in the last year | ||||
0 | 1* | |||
1 | 1.74 | 0.44 | 1.06–2.87 | 0.028 |
≥2 | 1.51 | 0.4 | 0.89–2.55 | 0.125 |
Agree that males should receive the HPV vaccine | 1.49 | 0.32 | 0.97–2.28 | 0.067 |
Preoccupation to acquire the HPV infection | 1.09 | 0.05 | 0.99–1.19 | 0.073 |
Socio-economic status | ||||
Low | 1* | |||
Intermediate | 0.79 | 0.16 | 0.53–1.19 | 0.265 |
Aware about the availability of the HPV vaccine in Italy | 1.31 | 0.37 | 0.75–2.31 | 0.342 |
Reference category