no basis for calculation, missing, legitimate skip
Add Health
Wave V Contextual Data
GEST AGE(WKS,DT LST MENS TO BRTH,CTGRCL)
Managed Missing Values
Label
no basis for calculation, missing, legitimate skip
Missing Values
Representation Type
Code List
Selection Style
SelectOne
no basis for calculation, missing, legitimate skip-
995 
no basis for calculation -
996 missing -
997 legitimate skip -
998 unknown