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Knowledge about the HPV vaccinationa
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־ HPV is sexually transmittable;
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−1 = incorrect
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−8 = incorrect
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8
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n/a
| |
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־ HPV is a virus;
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0 = don’t know
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8 = correct
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־ The HPV vaccination in the Netherlands consists of three injections;
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1 = correct
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־ My daughter is/I am obliged to get the HPV vaccination when she is/I am invited;
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־ You will always notice when you are infected by HPV;
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־ Only women can get infected by HPV;
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־ Women who received the HPV vaccination are still advised to participate in the cervical cancer screening in the Netherlands;
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־ The HPV vaccination fully protects against cervical cancer.
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Risk perception (having received no HPV vaccination)
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Imagine that your daughter was/you were not vaccinated against HPV. The chance that my daughter will get/I will get cervical cancer is…
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−3 = very small to 3 = very large
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n/a
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1
|
n/a
|
[20, 31]
|
|
Risk perception (having received the HPV vaccination)
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Imagine that your daughter was/you were vaccinated against HPV. The chance that my daughter will get/I will get cervical cancer is…
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−3 = very small to 3 = very large
|
n/a
|
1
|
n/a
|
[20, 31]
|
|
Attitude towards the HPV vaccination
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Vaccinating my daughter/myself against HPV is…
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−3 = very undesirable to 3 = very desirable;
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−12 = negative to 12 = positive
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4
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M = .98
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[31]
|
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D = .94
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−3 = very bad to 3 = very good;
|
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−3 = very negative to 3 = very positive;
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−3 = very unimportant to 3 = very important
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Negative outcome expectations of the HPV vaccination
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If my daughter gets/I get the HPV vaccination…
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−3 = completely agree to 3 = completely disagree
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−15 = completely agree to 15 = completely disagree
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5
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M = .60
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[20, 27, 32]
|
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D = .49
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־ she/I will become infertile;
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־ she/I will get unpleasant side effects shortly after the injection, such as head ache, fever or pain at the injection spot;
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־ she/I will be afraid of the injection with a needle;
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־ she/I will have unsafe sex in the future;
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־ her/my natural immune system against illnesses will be disturbed.
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Positive outcome expectations of the HPV vaccination
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If my daughter gets/I get the HPV vaccination…
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−3 = completely disagree to 3 = completely agree
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−9 = completely disagree to 9 = completely agree
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3
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M = .76
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[33, 34]
|
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D = .77
|
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־ she/I will not contract cervical cancer;
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־ she/I will not have to worry about cervical cancer;
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־ she/I will not be infected with HPV.
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Anticipated regret about rejecting the HPV vaccination
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Imagine your daughter has not received the HPV vaccination and she gets cervical cancer in the future. How much would you regret your decision to let her receive no vaccination?
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1 = no regret and 5 = very much regret
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n/a
|
1
|
n/a
| |
|
Anticipated regret about receiving the HPV vaccination
|
Imagine your daughter has received the HPV vaccination and she gets a serious illness as a result of the vaccine. How much would you regret your decision to let her receive the vaccination?
|
1 = no regret and 5 = very much regret
|
n/a
|
1
|
n/a
| |
|
Beliefs about the HPV vaccination
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־ If the government offers the vaccination, I assume it will be safe;
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−3 = completely disagree to 3 = completely agree
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−18 = negative to 18 = positive
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9
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M = .80
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[19, 20]
|
|
D = .70
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־ Our government shows responsibility for the health of the Dutch population by introducing the HPV vaccination;
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−3 = completely agree to 3 = completely disagree
|
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־ The HPV vaccination was only introduced because the pharmaceutical industry will earn a lot of money from it;
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־ There is too little known about whether
| | | | | |
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the HPV vaccination effectively protects against cervical cancer;
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־ There is too little known about the detrimental side effects of the HPV vaccination;
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־ My daughter is/I am too young to receive the HPV vaccination;
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־ My daughter does/I do not need to get the HPV vaccination if she is/I am already sexually active;
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־ My daughter does/I do not need the vaccination because she is/I am not yet sexually active;
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־ It is inappropriate that my daughter has/I have to pay for the HPV vaccination if she decides/I decide to get the vaccination at a higher age.
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Relative effectiveness of the HPV vaccinationb
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How would you rate the effectiveness of the following methods of preventing cervical cancer:
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1 = not at all effective to 10 = very effective
|
n/a
|
5
|
n/a
| |
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־ having safe sex
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־ having sex with only one person in a lifetime
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־ participating in the cervical cancer screening
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־ having a healthy lifestyle (e.g. not smoking)
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־ the HPV vaccination
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Participants rated the effectiveness of each method
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Ambivalence towards the HPV vaccination decision
|
During my decision making about my daughter’s/my HPV vaccination…
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−3 = completely disagree to 3 = completely agree
|
−9 = completely disagree to 9 = completely agree
|
3
|
M = .93
| |
|
D = .85
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־ I felt torn between the pros and cons of vaccination;
| |
|
־ I experienced positive as well as negative feelings;
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־ I was torn between the pros and cons of vaccination.
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Confidence in authorities involved in the HPV vaccination
|
As regards the HPV vaccination, how much confidence do you have in…
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−3 = very little to 3 = very much confidence
|
−9 = very little to 9 = very much confidence
|
3
|
M = .91
| |
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D = .88
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־ science
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־ health care
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־ the Ministry of Public Health
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Participants rated their confidence in each authority
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Subjective norms towards the HPV vaccinationc
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Normative beliefs
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−2 = certainly not vaccinating to 2 = certainly vaccinating,
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−70 =negative to 70 = positive (M);
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M = 7
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M = .85
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[31]
|
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What is your expectation on the opinion of … about the HPV vaccination of your daughter?
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D = 6
|
D = .77
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3 = not applicable;
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−60 =negative to 60 = positive (D)
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Not applicable was recoded into ‘0’
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Social referents: partner (M), parents (M), daughter (M), father (D), mother (D), best friends (M/D), general practitioner (M/D), doctor/nurse from the municipal health service (M/D), the Ministry of Public Health (M/D)
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| |
Motivation to comply
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1 = not at all to 5 = very much
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M = 7
| |
[31]
|
|
How motivated are you to comply with the opinion of …?
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D = 6
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Descriptive norms towards the HPV vaccination
|
How many parents/girls do you know who will decide to let their daughter/themselves be vaccinated against HPV if they receive the invitation?
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1 = none of the parents/girls I know, to 7 = all the parents/girls I know
|
n/a
|
1
|
n/a
|
[31]
|
|
Self-efficacy expectations towards the HPV vaccination
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To what extent would you succeed in dealing with the following situations:
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−3 = I would certainly not succeed to 3 = I would certainly succeed
|
−18 = I would certainly not succeed to 18 = I would certainly succeed
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6
|
M = .82
| |
|
D = .66
|
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־ Finding reliable information about the HPV vaccination;
|
|
־ Understanding information about the HPV vaccination;
| | | | | |
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־ Making a different decision about the HPV vaccination of my daughter/myself than most parents/girls among my acquaintances;
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־ Having a good talk with my daughter about the HPV vaccination (M);
|
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־ Having a good talk with my partner about the HPV vaccination (M);
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־ Having a good talk with my father about the HPV vaccination (D);
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־ Having a good talk with my mother about the HPV vaccination (D);
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־ Having a good talk with my general practitioner about the HPV vaccination.
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HPV vaccination information processing
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Before I finally decided about my (daughter’s) vaccination, I…
| |
−6 = completely disagree to 6 = completely agree
|
2
|
M = .84
|
[31]
|
|
D = .75
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|
־ gathered a lot of information about the HPV vaccine
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־ thoroughly considered the HPV vaccination
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−3 = completely disagree to 3 = completely agree
|
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Participants rated their agreement on both items separately
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Habit strength towards the HPV vaccination
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Letting my daughter receive the HPV vaccination/Receiving the HPV vaccination is something I do…
|
−3 = completely disagree to 3 = completely agree
|
−6 = completely disagree to 6 = completely agree
|
2
|
M = .78
|
[35]
|
|
D = .65
|
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־ automatically
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־ without thinking
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|
Participants rated their agreement on both items separately
|
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Decisional conflict about the HPV vaccination - value clarity
|
As regards the HPV vaccination…
|
−3 = completely disagree to 3 = completely agree
|
−9 = completely disagree to 9 = completely agree
|
3
|
M = .89
|
[36]
|
|
־ I was clear about which benefits were most important to me;
|
D = .85
|
|
־ I was clear about which risks were most important to me;
|
|
־ I was clear about which was more important to me, the benefits or the risks.
|
|
Decisional conflict about the HPV vaccination - certainty
|
As regards the HPV vaccination…
|
−3 = completely disagree to 3 = completely agree
|
−9 = completely disagree to 9 = completely agree
|
3
|
M = .89
|
[36]
|
|
D = .87
|
|
־ I felt sure about what to choose;
|
|
־ the decision was relatively easy to make;
|
|
־ I was clear about the best choice for me/my daughter.
|
|
Opinion about alternative medicine
|
In what way do you agree with the view of…
|
−3 = completely disagree to 3 = completely agree
|
−9 = completely disagree to 9 = completely agree
|
3
|
M = .81
| |
|
־ anthroposophy
|
D = .76
|
|
־ homeopathy
|
|
־ other alternative medicine
|
|
Past cancer experienced
|
Have you/has your mother had experience with…
|
1 = no, 2 = yes, 3 = I do not want to answer this question
|
n/a
|
6
|
n/a
|
[19, 27]
|
|
Do you know someone from your close environment who has/has had…
|
|
־ cervical cancer
|
|
־ other cancers
|
|
־ abnormal pap smear
|
