Page 81 - Preventing pertussis in early infancy - Visser

Quantitative study HCWs
Appendix 1. Overview of the items within intention, psychosocial determinants, and attitudinal beliefs
Variables
Number of items
Reliability1
Example questions
Intention
Psychosocial determinants
3
α .963
I would accept a pertussis cocooning vaccination if it would be offered. (definitely not – definitely)
Attitude Social norm
5 8
α .918 α .939
If I accepted a pertussis cocooning vaccination, I would consider this (not important – important)
I think most maternity assistants/ midwives/ paediatric nurses2 would accept a pertussis cocooning vaccination if it was offered to them. (do not agree – agree)
Perceived control Perceived capacity Perceived autonomy
2 1
r .778 n.a.
If I was offered a pertussis cocooning vaccination, I could get vaccinated. (do not agree – agree)
If I was offered a pertussis cocooning vaccination, it would be up to me to decide whether to accept (do not agree – agree)
The decision to accept a pertussis cocooning vaccination gives me a (secure – doubtful) feeling
Decisional uncertainty Anticipated negative affect Non-acceptance
3 3 4
α .882 α .843 α .881
Imagine that you did not accept a pertussis cocooning vaccination and your patiënt fell ill with pertussis. I would feel (not guilty – guilty)
Imagine that you did accept a pertussis cocooning vaccination. I would feel (not concerned – concerned)
Acceptance
Attitudinal beliefs
Risk perception
Susceptibility of children to pertussis
1
n.a.
If I was not vaccinated against pertussis, I think the chance of my patient contracting pertussis is (very small – very big)
If my patient contracts pertussis, I think this would be (not very serious – very serious)
If I was not vaccinated against pertussis, I think the chance of my contracting pertussis would be (very small – very big)
Severity of pertussis for children Susceptibility of oneself to pertussis
1 1
n.a. n.a.
Susceptibility of professionals to pertussis
Severity of pertussis for oneself Susceptibility to transmission Perceived impact of hygiene on transmission
1
n.a.
If maternity assistants/ midwives/ paediatric nurses2 are not vaccinated, they have a bigger chance of contracting pertussis than others (do not agree – agree)
If I contract pertussis, I think this would be (not very serious – very serious)
If I contract pertussis, I think the chance of passing it on to my patient is (very small – very big)
Perceived impact of work stop on transmission
Severity of transmission Susceptibility to side effects of vaccination
1
n.a.
Severity of side effects of vaccination
2
r .634
1 1 1
n.a. n.a. n.a.
If I work hygienically, I will prevent transmission of pertussis from myself to my patient (agree - do not agree) If I am a little ill, I usually don’t go to work (do not agree –agree)
1 5
n.a.
α .790
If I infected my patient with pertussis, I would feel (not too bad – very bad)
If I accept a pertussis vaccination, I think the chance that I would suffer from (mild, severe, or long-term) side effects would be (very small – very big)
I think suffering from (severe or long-term) side effects due to a pertussis cocooning vaccination would be (not
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