Interviewer instructions
The date of birth or age in complete years column No. (6)
Write the person's data date of birth according to his birth certificate or his identification card or any official certificate or according to the responder's answers. If the date of birth is not available, write the person's age in complete years with neglecting the months even they are (11) months.
Those who are less than one year, write (months) and if the age is less than one month, write (days).
If the date of birth is positively determined (-), is put in age column and vice versa.