For all persons, POPPIDRD reports the PID of the person's father, if they are present in the household. In 1996 only, POPPIDRD reports the PID of the person's father only for persons who were eligible in rounds 1 and 2 (ELIGRD).
POPPIDRD is a 3-digit numeric variable.
000 = Father not present
996 = NIU (1996 only)
Comparability
Aside from changes to the universe, this variable is comparable over time.
Universe
1996: All persons eligible for data collection (ELIGRD) in Rounds 1 and 2.