A Cross-Sectional Study to Understand HPV Vaccine Hesitancy and Influencing Factors in Italian Adults
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Design and Participants
2.2. Survey Instrument
2.3. Statistical Analysis
2.3.1. Variables and Measures
2.3.2. Statistical Methods
2.3.3. Study Size
3. Results
3.1. Description of the Study Population
3.2. Knowledge, Attitudes, and Behaviors Towards the HPV Vaccine
3.3. Univariable Analysis
3.4. Multivariable Logistic Regression
3.4.1. General Population (Model 1)
3.4.2. Parents (Model 2)
3.4.3. Parents (Model 3)
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
HPV | Human papillomavirus |
HCWs | Healthcare workers |
VH | Vaccine hesitancy |
HL | Health literacy |
NHS | National Health System |
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N = 1821 | |
Mean (SD) | |
Age | 54 (17.2) |
Age groups | N (%) |
18–24 | 83 (4.6) |
25–34 | 256 (14.1) |
35–44 | 266 (14.6) |
45–54 | 277 (15.2) |
55–64 | 279 (15.3) |
≥65 | 660 (36.2) |
Gender | |
Male | 832 (45.8) |
Female | 986 (54.2) |
I prefer not to answer | 3 (0.2) |
Nationality | |
Italian | 1797 (98.7) |
Non-Italian | 24 (1.3) |
Geographical area | |
Northwest | 501 (27.5) |
Northeast | 350 (19.2) |
Center | 372 (20.4) |
South/Islands | 598 (32.8) |
Marital status | |
Single | 431 (23.7) |
Married | 972 (53.4) |
Separated/Divorced | 134 (7.4) |
Cohabiting | 209 (11.5) |
Widowed | 75 (4.1) |
Educational level | |
High school and low | 1237 (67.9) |
University degree | 453 (24.9) |
Postgraduate | 131 (7.2) |
Having children | |
No | 596 (32.7) |
Yes, 0–11 yo | 269 (14.8) |
Yes, 1217 yo | 234 (12.9) |
Yes, ≥18 yo | 839 (46.1) |
Cohabitants with disabilities | |
Yes | 307 (16.9) |
No | 1514 (83.1) |
Chronic disease | |
No | 880 (48.3) |
Yes | 941 (51.7) |
Occupation | |
Non-healthcare occupation | 873 (48.0) |
Healthcare workers | 55 (3.0) |
Housewives | 195 (10.7) |
Retired | 531 (29.2) |
Student | 39 (2.1) |
Unemployed | 128 (7.0) |
Specific Health Occupation (n = 55) | |
Medical Doctor | 13 (23.6) |
Nurse | 17 (31.0) |
Healthcare Assistant | 7 (12.7) |
Other healthcare professions | 18 (32.7) |
Which of these values is closest to your monthly personal income? | |
I have no income | 193 (10.6) |
Less than EUR 1000 | 276 (15.1) |
EUR 1000–1499 | 455 (25.0) |
EUR 1500–1999 | 454 (24.9) |
EUR 2000–2999 | 321 (17.6) |
EUR 3000–4499 | 87 (4.8) |
EUR 4500–5999 | 23 (1.3) |
Over EUR 6000 | 12 (0.7) |
With the financial resources available in your household, how do you make ends meet? | |
Definitely good | 134 (7.4) |
Fairly well | 764 (42.0) |
With some difficulty | 721 (39.6) |
With many difficulties | 202 (11.1) |
Religion | |
Catholic | 1340 (73.6) |
Other religions | 69 (3.8) |
None | 354 (19.4) |
I prefer not to answer | 58 (3.2) |
Importance of religion (n = 1467) | |
High | 695 (47.4) |
Medium | 417 (28.4) |
Low | 316 (21.5) |
I prefer not to answer | 39 (2.7) |
Political orientation | |
Left | 465 (25.5) |
Moderate | 586 (32.1) |
Right | 426 (23.4) |
I prefer not to answer | 344 (18.9) |
Perceived quality of the National Healthcare System | |
Good (high level) | 708 (38.9) |
Average (medium level) | 840 (46.1) |
Poor (low level) | 273 (15.0) |
Self-Efficacy | Mean Score (SD) |
---|---|
Perceived health self-management skills | 6.7 (1.6) |
Perceived health status | 6.2 (2.2) |
Attempt to make little use of healthcare services when needed | 5.3 (2.5) |
“How often do you need somebody to help you read instructions, flyers or other materials that you were given by your doctor or pharmacist?” | N (%) |
Never | 556 (30.5) |
Rarely | 685 (37.6) |
Sometimes | 483 (26.5) |
Often | 85 (4.7) |
Always | 12 (0.7) |
Sources of information about HPV | |
Healthcare workers | 560 (30.8) |
Pediatrician/gynecologist | 188 (10.3) |
Friends, family, and/or acquaintance | 67 (3.7) |
Mass media/internet | 315 (17.3) |
Other | 12 (0.7) |
I have never received information about or heard of HPV vaccination | 679 (37.3) |
QUESTIONS | Mean (SD) |
---|---|
“How much do you believe that HPV vaccines are safe?” | 7 (2.3) |
“How much do you believe that HPV vaccines are effective?” | 7 (2.3) |
“I believe that I am not particularly at risk of contracting HPV infection” | 6 (2.7) |
“I believe that HPV infection does not cause serious illness” | 4 (2.6) |
“HPV vaccination is useful in preventing cervical cancer” | 7 (2.4) |
“HPV vaccination is useful in preventing oral cancer (mouth)” | 6 (2.6) |
“HPV vaccination is useful in males” | 6 (2.6) |
N (%) | |
---|---|
Have you ever received HPV vaccination? | |
Yes | 125 (6.9) |
No | 1492 (81.9) |
Don’t know/don’t remember | 204 (11.2) |
If vaccinated, how many vaccine doses have you received? (n = 125) | |
Complete vaccine schedule | 103 (82.4) |
Incomplete vaccine schedule | 6 (4.8) |
Don’t know/don’t remember | 16 (12.8) |
If you had to choose again whether you wanted to get vaccinated for HPV or not, what would you do? (n = 125) | |
Yes | 105 (84.0) |
No | 11 (8.8) |
Don’t know | 9 (7.2) |
Have you ever received HPV vaccination? (aged 18–35 years, n = 381) | |
Yes | 29 (7.6) |
No | 303 (79.5) |
Don’t know/don’t remember | 49 (12.9) |
If children (12–17 yo), did you vaccinate your child for HPV? (n = 234) | |
Yes | 112 (47.9) |
No | 122 (52.1) |
If children (≥18 yo), did you vaccinate your child for HPV? (n = 839) | |
Yes | 177 (21.1) |
No | 662 (78.9) |
Mean (SD) | |
If children 0–11 yo, from 0 to 100 how likely is it that you will vaccinate your children for HPV? (n = 269) | 52 (38.2) |
If No/Not all of my children have been vaccinated, from 0 to 100 how likely is it that you will vaccinate your children for HPV in the future? (n = 786) | 26 (29.5) |
Variables | OR (95% CI) | p-Value |
---|---|---|
Age | 1.00 (0.99–1.01) | 0.915 |
Gender | ||
Male | Ref | |
Female | 0.90 (0.69–1.18) | 0.441 |
Educational level | ||
High school or lower | Ref | |
University degree | 1.01 (0.74–1.38) | 0.936 |
Postgraduate | 0.98 (0.59–1.64) | 0.951 |
Ability to manage household financial resources | ||
Definitely good/Fairly well | Ref | |
With some difficulty/with many difficulties | 1.07 (0.82–1.41) | 0.604 |
Occupation | ||
Healthcare workers | Ref | |
Non-healthcare occupation | 0.56 (0.29–1.08) | 0.084 |
Housewives | 0.73 (0.35–1.52) | 0.397 |
Retired | 0.79 (0.41–1.54) | 0.492 |
Students | 1.16 (0.41–3.29) | 0.779 |
Unemployed | 0.72 (0.33–1.61) | 0.427 |
Source of information | ||
No information received | Ref | |
Other HCWs (other than pediatrician/gyn) | 1.56 (1.11–2.19) | 0.011 |
Pediatrician/gyn | 1.67 (1.06–2.62) | 0.026 |
Other sources | 1.32 (0.91–1.92) | 0.145 |
Have you ever received HPV vaccination? | ||
No | Ref | |
Yes | 1.66 (1.04–2.65) | 0.034 |
Self-Efficacy (ability to take care of one’s own health) | ||
No | Ref | |
Yes | 1.07 (0.98–1.17) | 0.142 |
Health Literacy | ||
Low | Ref | |
High | 2.03 (1.48–2.79) | <0.001 |
Religion | ||
None | Ref | |
Catholic | 1.19 (0.82–1.70) | 0.358 |
Other | 0.86 (0.41–1.79) | 0.688 |
I prefer not to answer | 1.14 (0.49–2.67) | 0.766 |
Political orientation | ||
Moderate | Ref | |
Left | 1.16 (0.81–1.65) | 0.421 |
Right | 1.13 (0.80–1.61) | 0.488 |
I prefer not to answer | 0.77 (0.51–1.16) | 0.210 |
Perceived quality of the Healthcare System | ||
Poor (low quality) | Ref | |
Average (medium quality) | 1.04 (0.68–1.60) | 0.844 |
Good (high quality) | 1.32 (0.86–2.02) | 0.211 |
Knowledge of HPV vaccination | ||
Limited | Ref | |
Good | 6.50 (4.91–8.61) | <0.001 |
Variables | OR (95% CI) | p-Value |
---|---|---|
Age | 1.01 (0.99–1.03) | 0.221 |
Gender | ||
Male | Ref | |
Female | 0.65 (0.33–1.38) | 0.209 |
Educational level | ||
High school or lower | Ref | |
University degree | 1.29 (0.54–3.06) | 0.556 |
Postgraduate | 2.57 (0.69–9.86) | 0.170 |
Ability to manage household financial resources | ||
Definitely good/Fairly well | Ref | |
With some difficulty/with many difficulties | 1.01 (0.52–1.96) | 0.979 |
Occupation | ||
Healthcare workers | Ref | |
Non-healthcare occupation | 2.72 (0.47–15.78) | 0.265 |
Housewives | 5.89 (0.72–48.46) | 0.099 |
Retired | 1.49 (0.13–19.39) | 0.749 |
Unemployed | 1.84 (0.20–16.95) | 0.590 |
Source of information | ||
No information received | Ref | |
Other HCWs (other than pediatrician/gyn) | 1.25 (0.55–2.86) | 0.595 |
Pediatrician/gyn | 7.30 (2.29–23.31) | 0.001 |
Other sources | 1.66 (0.63–4.42) | 0.309 |
Have you ever received HPV vaccination? | ||
No | Ref | |
Yes | 29.43 (3.34–259.41) | 0.002 |
Self-Efficacy (ability to take care of one’s own health) | ||
No | Ref | |
Yes | 1.04 (0.84–1.29) | 0.715 |
Health Literacy | ||
Low | Ref | |
High | 1.46 (0.74–2.90) | 0.276 |
Religion | ||
None | Ref | |
Catholic | 0.98 (0.39–2.47) | 0.965 |
Other | 1.07 (0.13–9.41) | 0.948 |
I prefer not to answer | 0.25 (0.02–3.06) | 0.278 |
Political orientation | ||
Moderate | Ref | |
Left | 0.51 (0.21–1.21) | 0.124 |
Right | 1.37 (0.55–3.42) | 0.505 |
I prefer not to answer | 2.29 (0.85–6.22) | 0.103 |
Perceived quality of the Healthcare System | ||
Poor (low quality) | Ref | |
Average (medium quality) | 2.44 (0.81–7.41) | 0.115 |
Good (high quality) | 1.85 (0.61–5.56) | 0.275 |
Knowledge of HPV vaccination | ||
Limited | Ref | |
Good | 1.56 (0.73–3.35) | 0.250 |
Attitudes towards HPV vaccination | ||
Negative | Ref | |
Positive | 4.56 (1.65–12.60) | 0.003 |
Variables | OR (95% CI) | p-Value |
---|---|---|
Age | 1.01 (0.99–1.04) | 0.232 |
Gender | ||
Male | Ref | |
Female | 0.67 (0.32–1.45) | 0.312 |
Educational level | ||
High school or lower | Ref | |
University degree | 0.56 (0.23–1.37) | 0.205 |
Postgraduate | 0.78 (0.16–3.84) | 0.759 |
Ability to manage household financial resources | ||
Definitely good/Fairly well | Ref | |
With some difficulty/with many difficulties | 1.03 (0.48–2.17) | 0.948 |
Occupation | ||
Health workers | Ref | |
Non-healthcare occupation | 2.12 (0.36–12.42) | 0.405 |
Housewives | 1.67 (0.22–12.90) | 0.619 |
Unemployed | 1.95 (0.19–20.38) | 0.577 |
Source of information | ||
No information | Ref | |
Other HCWs | 1.41 (0.50–3.95) | 0.512 |
Pediatrician/gyn | 5.86 (1.85–18.50) | 0.003 |
Other | 2.38 (0.78–7.25) | 0.126 |
Have you ever received HPV vaccination? | ||
No | Ref | |
Yes | 4.07 (1.48–11.19) | 0.006 |
Self-Efficacy (ability to take care of one’s own health) | ||
No | Ref | |
Yes | 0.94 (0.74–1.20) | 0.609 |
Health Literacy | ||
Low | Ref | |
High | 1.53 (0.71–3.29) | 0.103 |
Religion | ||
None | Ref | |
Catholic | 0.89 (0.31–2.53) | 0.824 |
Other | 1.53 (0.26–8.94) | 0.639 |
I prefer not to answer | 0.62 (0.08–4.73) | 0.645 |
Political orientation | ||
Moderate | Ref | |
Left | 0.22 (0.07–0.66) | 0.007 |
Right | 0.69 (0.27–1.74) | 0.426 |
I prefer not to answer | 1.04 (0.36–2.96) | 0.948 |
Perceived quality of the Healthcare System | ||
Poor (low quality) | Ref | |
Average (medium quality) | 4.09 (1.04–16.00) | 0.043 |
Good (high quality) | 2.54 (0.60–10.72) | 0.293 |
Knowledge of HPV vaccination | ||
Limited | Ref | |
Good | 4.89 (2.21–10.84) | <0.001 |
Attitudes towards HPV vaccination | ||
Negative | Ref | |
Positive | 4.90 (2.02–11.84) | <0.001 |
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Share and Cite
Riccio, M.; Massimi, A.; Renzi, E.; Innocenzio, M.; Siliquini, R.; Bert, F.; Odone, A.; Marzuillo, C.; Villari, P.; De Vito, C. A Cross-Sectional Study to Understand HPV Vaccine Hesitancy and Influencing Factors in Italian Adults. Vaccines 2025, 13, 599. https://doi.org/10.3390/vaccines13060599
Riccio M, Massimi A, Renzi E, Innocenzio M, Siliquini R, Bert F, Odone A, Marzuillo C, Villari P, De Vito C. A Cross-Sectional Study to Understand HPV Vaccine Hesitancy and Influencing Factors in Italian Adults. Vaccines. 2025; 13(6):599. https://doi.org/10.3390/vaccines13060599
Chicago/Turabian StyleRiccio, Marianna, Azzurra Massimi, Erika Renzi, Michele Innocenzio, Roberta Siliquini, Fabrizio Bert, Anna Odone, Carolina Marzuillo, Paolo Villari, and Corrado De Vito. 2025. "A Cross-Sectional Study to Understand HPV Vaccine Hesitancy and Influencing Factors in Italian Adults" Vaccines 13, no. 6: 599. https://doi.org/10.3390/vaccines13060599
APA StyleRiccio, M., Massimi, A., Renzi, E., Innocenzio, M., Siliquini, R., Bert, F., Odone, A., Marzuillo, C., Villari, P., & De Vito, C. (2025). A Cross-Sectional Study to Understand HPV Vaccine Hesitancy and Influencing Factors in Italian Adults. Vaccines, 13(6), 599. https://doi.org/10.3390/vaccines13060599