AGE
WGT
FEMALE
SPNNUM
RACECODE
WHITE
BLACK
NATAMER
ASIAN
HSGRAD
COLLEGE
GRADSCH
MARRIED
PREVMAR
CHILDREN
CHLD617
MIDATLAN
ENCENT
WNCENT
SATLAN
ESCENT
WSCENT
MOUNTAIN
PACIFIC
NOTCC
NOTMSA
NOTID
INC1015
INC1520
INC2025
INC2530
INC3035
INC3540
INC4050
INC5060
INC6075
INCGT75