Items:

Now, thinking about the choice you (are about to makejust made), please look at the following comments some people make when deciding about (treatment, screening, etc.) Please, show how strongly you agree or disagree with these comments by CIRCLING THE NUMBER from 1 (strongly agree) to 5 (strongly disagree) that best shows how you feel about the decision you (are about to makejust made).

Decision uncertainty
1. This decision is hard for me to make*
2. I'm unsure what to do in this decision*
3. It's clear what choice is best for me

Factors contributing to uncertainty
4. I'm aware of the choices I have to (specify purpose - to protect myself from flu)
5. I feel I know the benefits of (the flu shots)
6. I feel I know the risks and side effects of (the flu shot)
7. I need more advice and information about the choices
8. I know how important the benefits (of the flu shot) are to me in this decision
9. I know how important the risks and side effects (of the flu shot) are to me in this decision
10. It's hard to decide if the benefits are more important to me than the risks, or if the risks are more important than the benefits*
11. I feel pressure from others in making this decision*
12. I have the right amount of support from others in making this decision

Perceived effective decision making
13. I feel I have made an informed choice
14. My decision shows what is most important for me
15. I expect to stick with my decision
16. I am satisfied with my decision

*Items are reverse scored

Response Options:
Strongly agree - 1
Agree - 2
Neither agree or disagree - 3
Disagree - 4
Strongly disagree - 5