VCF0127 Household Union Membership

QUESTION:
---------
1948:  
Does [head] belong to a labor union?
1952,1954:  
Do either you or the head of your household belong to a labor union?  
Who is it that belongs?
1956 AND LATER:  
(1956-1984,2002: Does anyone) (1986-LATER EXC.2002: Do you or [1988: 
does] anyone else) in this household belong to a labor union? 
(IF YES:)  Who is it that belongs?

VALID_CODES:
------------
1.  Yes, someone (1948: head) in household belongs to a
    labor union
2.  No, no one in household belongs to a labor union

MISSING_CODES:
--------------
0.  DK; NA; no Pre IW; short-form 'new' Cross 
    Section (1992)
Inap. question not used

NOTES:
------
1948 NOTE:
"Yes" acknowledged only head's union affiliation.
1952 NOTE:
"Yes" acknowledged only R's or the head of household's union 
affiliation.
1954 NOTE:
same as 1952
1992 NOTE:
This was not part of the 'short-form' questionnaire; for short-form 
panel cases, however, 1990 study data were incorporated.  
2002 DATA:
Asked only of 'fresh' cross-section cases; for panel cases 2000 data 
have been included.

WEIGHT:
-------
VCF0009/VCF0009a

TYPE:
-----
Numeric  Dec 0

SOURCE_VARS:
------------
1948:  480030 
1952:  520139 
1954:  540024
1956:  560130 
1958:  580205 
1960:  600150
1964:  640228 
1966:  660215 
1968:  680201
1970:  700347(type 0)  
1972:  720378 
1974:  742515
1976:  763476 
1978:  780595 
1980:  800683
1982:  820722 
1984:  840676 
1986:  860729
1988:  880517 
1990:  900660 
1992:  924101
1994:  941401 
1996:  960698 
1998:  980649
2000:  000990 
2002:  023133,023133a