C5. What is your date of birth?
Date _ _
Month _ _
Year _ _ _ _
(If no information for C5, ask C6.)
C6. How old are you? _ _
[Question C6 is asked of persons who have no information for C5.]
(In completed years)
(If age is less than 1 year, write "00". If age is 99 years or more, write "99".)