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. 2021 Oct 8;18(19):10558. doi: 10.3390/ijerph181910558

Table 3.

Section A questions “participants’ knowledge about vaccines and their attitude to vaccination” associated with COVID-19 vaccine acceptance, expressed with proportional ratio in univariate analysis.

Variables Vaccinated N (%) Proportional Ratio (PR) 95% CI Sig.
12. Do you belong to a vulnerable/high risk group due to your medical history? Yes: 177
No: 954
76.6
78.0
0.98 (0.91–1.06) 0.643
13. Do you live with older individuals or individuals belonging to a vulnerable/high risk group due to their medical history? Yes: 299
No: 833
75.3
78.7
0.96 (0.90–1.02) 0.162
14 (Correct answer/incorrect answer) (*) Correct: 150
Incorrect: 982
83.8
77.0
1.09 (1.01–1.17) 0.039
14a. The HPV vaccine is recommended for all males up to 18 years of age in the country Correct: 269
Incorrect: 820
79.1
73.7
1.26 (1.03–1.55) 0.031
14b. After the flu vaccination, certain foods are not permitted to be consumed for a period of 24 hours Correct: 607
Incorrect: 525
87.0
69.4
1.25 (1.19–1.33) <0.001
14c. One of the contraindications of the flu vaccine is an allergy to eggs Correct: 519
Incorrect: 613
86.8
71.5
1.21 (1.15–1.28) <0.001
15. (Correct answer/incorrect answer) (*) Correct: 408
Incorrect: 724
94.0
70.9
1.33 (1.27–1.39) <0.001
15a. Vaccinations are an important tool for the protection of public health and in particular of health professionals and workers in the health sector Correct: 1094
Incorrect: 38
81.5
33.6
2.42 (1.87–3.15) <0.001
15b. Natural immunity acquired via disease is always preferable to immunity acquired via vaccination Correct: 600
Incorrect: 528
90.6
66.9
1.35 (1.28–1.43) <0.001
15c. Many vaccines often have serious side effects Correct: 591
Incorrect: 537
89.0
68.2
1.30 (1.24–1.38) <0.001
16. Are you the parent/guardian of one or more children? Yes: 658
No: 474
78.0
77.6
1.01 (0.95–1.06) 0.862
Do you adhere to the child vaccination program suggested by the National Vaccination Program in the country? Yes, I vaccinate my children according to the National Vaccination Program Yes: 644 78.1 1.24 (0.88–1.75) 0.123
I select and carry out some vaccinations 12 63.2 Reference group
I do not vaccinate my children 0 0.0 -
17. Have you been vaccinated with the seasonal flu vaccine? Yes: 803
No: 329
89.2
77.8
1.51 (1.40–1.62) <0.001

StD: Standard Deviation; CI: Confidence Interval; Sig.: Significance; Vac: Vaccinated; Non Vac: Non vaccinated. (*) The correct answers to all three sub questions were considered as a correct answer, whereas answering at least one of the three sub questions incorrectly was considered as an incorrect answer.