Table 1

Survey items on risk perceptions and precautionary behaviors.

Questions

Choices of answers

N

Statistics


Perceived risk


In your opinion, what is the likelihood that swine flu will reach your community?

0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100%

1288

37.9%* (30.2)


In your opinion, what is the likelihood that you will personally encounter somebody infected with swine flu?

0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100%

1247

25.6%* (24.6)


In your opinion, how many people worldwide will die from swine flu during this outbreak?

<100; 100-1,000; 10,000-100,000; 100,000-1,000,000; >1,000,000

1290

100-1,000†


Precautionary behaviors


Willingness to take pharmaceutical interventions


If a vaccine for swine flu became available, would you want to be vaccinated?

Yes/No

1290

57.6%‡


If a vaccine for swine flu became available, what is the maximum you would pay to become vaccinated?

$0, $20, $50, $100, $150, $200, $500, $1,000, $5,000, $10,000, $20,000

1290

20†


Antiviral medications can be taken during an outbreak to prevent infection. To be effective, they must be taken for the entire duration of the epidemic. If antiviral medications were available for swine flu, would you want to take them?

Yes/No

1290

57.1%‡


How much would you pay for antiviral medication (enough doses to last the duration of the epidemic)?

$0, $20, $50, $100, $150, $200, $500, $1,000, $5,000, $10,000, $20,000

1290

20†


Antiviral medications are also used for treating cases of flu. If you became infected with swine flu, would you seek treatment with antiviral medications?

Yes/No

1290

83.2%‡


How much would you pay for antiviral treatment if you were infected?

$0, $20, $50, $100, $150, $200, $500, $1,000, $5,000, $10,000, $20,000,

1290

20†


Engagement in precautionary activities


For each of the following questions, please indicate whether or not you have changed your behavior in response to swine flu outbreak.


Are you following television or radio news more closely in response to the swine flu outbreak?

Yes/No

1218

51.2%‡


Have you searched the internet for additional information on the swine flu outbreak?

Yes/No

1220

28.7%‡


Have you cancelled or changed travel plans in response to the swine flu outbreak?

Yes/No

1219

4.4%‡


Have you or your children stayed home from school in response to the swine flu outbreak?

Yes/No

1214

3.5%‡


Have you stayed home from work in response to the swine flu outbreak?

Yes/No

1218

2.1%‡


Have you cancelled or changed social plans in response to the swine flu outbreak?

Yes/No

1219

5.1%‡


The symbols in the table show: * mean value (standard deviation); † median value; and ‡ proportion of respondents who answered yes, respectively.

Ibuka et al. BMC Infectious Diseases 2010 10:296   doi:10.1186/1471-2334-10-296

Open Data