Table 3.
Logistic regression analysis of independent factors for knowledge about human papillomavirus and its vaccine (N = 521).
| Variables | Group N (%) |
OR (95% CI) | p-value | |
|---|---|---|---|---|
| High knowledge Score ≥7∗ (N = 303) |
Low knowledge Score <7∗ (N = 218) |
|||
|
Sex | ||||
| Female | 250 (82.5%) | 151 (69.3%) | 2.1 (1.4–3.2) | <0.001 |
| Male |
53 (17.5%) |
67 (30.7%) |
0.5 (0.3–0.7) |
<0.001 |
|
Major | ||||
| Health-related | 177 (58.4%) | 61 (28.0%) | 3.6 (2.5–5.4) | <0.001 |
| Non-health related |
126 (41.6%) |
157 (72.0%) |
0.3 (0.2–0.4) |
<0.001 |
|
Year of study | ||||
| 1st year | 121 (39.9%) | 98 (45.0%) | 0.8 (0.6–1.2) | 0.252 |
| 2nd year | 83 (27.4%) | 71 (32.6%) | 0.8 (0.5–1.2) | 0.202 |
| 3rd year | 45 (14.9%) | 27 (12.4%) | 1.2 (0.7–2.2) | 0.421 |
| 4th year | 46 (15.2%) | 21 (9.6%) | 1.7 (0.9–3.1) | 0.062 |
| 5th year or more |
8 (2.6%) |
1 (0.5%) |
5.9 (0.8–262.3) |
0.059 |
|
Ever had sex | ||||
| No | 265 (87.5%) | 182 (83.5%) | 1.4 (0.8–2.3) | 0.200 |
| Yes | 27 (8.9%) | 28 (12.8%) | 0.7 (0.4–1.2) | 0.150 |
| Not answered | 11 (3.6%) | 8 (3.7%) | 1.0 (0.4–2.9) | 0.981 |
OR = unadjusted odds ratio; CI = confidence interval.
∗
The participants received one point for each correct answer. We used a median of 7 as a cut off to classify into low and high knowledge group, with a higher score indicating a greater knowledge about HPV and its vaccine.