Now we would like to ask for information on you and the persons habitually living in your household or currently residing in your home
(4) Sex
Column (4): Gender
This is one of the fundamental variables in demographics, just like age, and it is important to be reported with great care even if it is clearly apparent. Ask the following question: "What is the gender of [the respondent]?" and circle "1" for males and "2" for females. For children (babies and newborns), ask the parents for their gender. Do not base your choice on their appearance.