RSEX: Are you a boy or a girl?
MONBORN: In what month were you born?
YEARBORN: In what year were you born?
KIDBORN: In which country were you born?
DADBORN: In which country was your father born?
MUMBORN: In which country was your mother born?
IDENTITY: National identity
LONGILL: Do you have a long-term disability, illness or medical condition?
OWNROOM: Do you have your own bedroom?
FAMCAR: Does your family own a car, van or truck?
NUMHOLS: During the past 12 months, how many times did you go on holiday?
NUMCOMP: How many computers does your family own?
