Table 3.
Multivariate logistic analysis to characterize factors associated with different outcomes of interest.
| Variable | OR ● | SE ▪ | 95% CI | p Value |
|---|---|---|---|---|
| Model 1. Knowledge of risk factors of HPV infection and that this could be prevented by HPV vaccine (no = 0; yes = 1) | ||||
| Log likelihood = −345.85, χ2 = 31.35 (3 df), p < 0.001 (sample size = 551) | ||||
| Having heard about HPV infection during their degree program | 2.15 | 0.45 | 1.43–3.23 | <0.001 |
| Age | ||||
| ≤20 | 0.56 | 0.12 | 0.36–0.86 | 0.009 |
| >25 | 1.0 * | |||
| Female | 1.41 | 0.27 | 0.97–2.08 | 0.073 |
| Model 2. Positive attitude towards the safety of HPV vaccine (no = 0; yes = 1) | ||||
| Log likelihood = −266.90, χ2 = 26.62 (9 df), p < 0.00016 (sample size = 548) | ||||
| Female | 0.62 | 0.14 | 0.4–0.97 | 0.035 |
| Knowledge that cervical cancer could be prevented by HPV vaccine | 2.11 | 0.64 | 1.16–3.83 | 0.014 |
| Knowledge of risk factors of HPV infection and that this could be prevented by HPV vaccine | 1.6 | 0.36 | 1.03–2.48 | 0.037 |
| Having heard about HPV infection during their degree program | 1.72 | 0.43 | 1.05–2.83 | 0.031 |
| Knowledge that men and women should be vaccinated | 1.57 | 0.35 | 1.02–2.43 | 0.042 |
| Age | ||||
| 21–25 | 0.81 | 0.18 | 0.52–1.27 | 0.360 |
| >25 | 1.0 * | |||
| Model 3. Willingness to receive the HPV vaccine (no = 0; yes = 1) | ||||
| Log likelihood = −246.47, χ2 = 42.43 (8 df), p < 0.001 (sample size = 416) | ||||
| Female | 2.26 | 0.51 | 1.46–3.51 | <0.001 |
| Awareness of usefulness of HPV vaccine | 2.64 | 0.76 | 1.49–4.65 | 0.001 |
| Knowledge that men and women should be vaccinated | 1.38 | 0.31 | 0. 9–2.13 | 0.142 |
| Age | ||||
| ≤20 | 0.58 | 0.15 | 0.34–0.98 | 0.041 |
| >25 | 1.0 * | |||
| Positive attitude towards the safety of HPV vaccine | 0.73 | 0.21 | 0.41–1.29 | 0.277 |
| Knowledge that cervical cancer could be prevented by HPV vaccine | 1.26 | 0.32 | 0.77–2.1 | 0.361 |
| Having heard about HPV infection during their degree program | 0.8 | 0.2 | 0.49–1.31 | 0.380 |
| Perception of risk of contracting HPV infection | 1.3 | 0.33 | 0.79–2.15 | 0.295 |
| Model 4. Willingness, as a future health care operator, to recommend the HPV vaccine (no = 0; yes = 1) | ||||
| Log likelihood = −138.99, χ2 = 28.33 (7 df), p = 0.002 (sample size = 548) | ||||
| Knowledge of risk factors of HPV infection and that this could be prevented by HPV vaccine | 3.11 | 1.43 | 1.27–7.66 | 0.013 |
| Knowledge that cervical cancer could be prevented by HPV vaccine | 1.99 | 0.68 | 1.02–3.89 | 0.043 |
| Having heard about HPV infection during their degree program | 1.86 | 0.61 | 0.97–3.54 | 0.06 |
| Positive attitude towards the safety of HPV vaccine | 2.96 | 1.82 | 0.88–9.9 | 0.078 |
| Having undergone HPV vaccination | 1.55 | 0.65 | 0.68–4.52 | 0.296 |
| Perception of risk of developing diseases caused by HPV | 1.77 | 1.02 | 0.57–5.49 | 0.320 |
| Perception of risk of contracting HPV infection | 0.59 | 0.33 | 0.19–1.78 | 0.348 |
* Reference category in multivariate analysis, ● Odds Ratio, ▪ Standard.