Table 3 Questions to measure the psychosocial factors for the intention to call the NEH

Risk factors

Vulnerability

How high do you feel is the risk that you get Ebola?

1–5

Severity

Imagine that you contracted Ebola, how severe would be the impact on…

… your life in general?

1–5

Health knowledge

Can people transfer Ebola to others immediately after being infected?

Multiple choice answers: 0 = answer was wrong, 1 = answer was right

Attitude factor

Response belief

How certain are you that calling the Hotline will help you or a person who might be suffering from Ebola?

1–5

Norm factors

Others’ behaviour household

How many people of your household would call the Hotline if there was be a person who might be suffering from Ebola in your household?

1–5

Others’ behaviour village

How many people of your village would call the Hotline if there was be a person who might be suffering from Ebola in the same household?

1–5

Others’ (dis)approval household

People who are important to you, like your family members, how much do they approve or not that you would call the Hotline if there would be a person who might be suffering from Ebola in your household?

1–5

Others’ (dis)approval village

People who are important in the village like an Imam or a Marabout, do they approve if you would call the Hotline and report the suspected Ebola case or not?

1–5

Personal importance

How strongly do you feel a personal obligation to yourself to call the Hotline if there would be a person who might be suffering from Ebola in your household?

1–5

Ability factors

Action knowledge

Can you tell me the number of the National Ebola Hotline?

0–1

Confidence in performance

How difficult would it be to call the Hotline and report the suspected Ebola case in your household?

1–5

Self-regulation factor

Commitment

How important is it for you to to call the Hotline and report the suspected Ebola case in your household?

1–5