Table 1 Description of the main themes addressed in the survey to assess community knowledge, opinions and concerns regarding house designs and environmental characteristics, and how these factors influenced malaria transmission

1

Knowledge and perception about house characteristics, mosquito entry and malaria transmission risks

Do you know if the house design can influence mosquito entry?

Assessment of knowledge and perception of malaria transmission risks in relation to house characteristics

Does your house allow mosquito entry?

If your house does not allow mosquito entry, how do you prevent mosquito entry?

Why does your house allow mosquito entry?

How do mosquitoes enter your house?

When was your house constructed?

Why did you decide to construct this kind of house?

What did you consider during construction?

2

Knowledge and perception about environmental variables influencing mosquito density

Do you know if the environments surrounding your house influence mosquito density?

Assessment of knowledge and perception of malaria transmission risks in relation to environmental characteristics

How does the environments surrounding your house influence mosquito density?

Mention the common mosquito breeding sites in your area

What do you do to prevent mosquito bites?

3

Knowledge and perception about settlements, mosquito density and malaria transmission risks

Do you think the number of houses in an area can influence mosquitoes and malaria transmission?

Assessment of knowledge and perception of malaria transmission risks in relation to settlement patterns

Do you think constructing houses near other houses or far from other houses is an important factor in regard to mosquito biting risk and malaria transmission?

Why do you think close house have many mosquitoes?

What can be done to control mosquitoes in such kind of environment?