Variable | Year | Supplement |
---|---|---|
BLODEVER | 1978 | Person (core questionnaire) |
DBLF | 1989 | AIDS knowledge and attitudes |
DONBLOOD | 1992 | AIDS knowledge and attitudes |
DONBLOOD | 1991 | AIDS knowledge and attitudes |
DONBLOOD | 1988 | AIDS knowledge and attitudes |
EDBLD | 1990 | AIDS knowledge and attitudes |
GIVBLD | 1993 | AIDS knowledge and attitudes |
GIVBLOOD | 1995 | AIDS knowledge and attitudes |
GIVBLOOD | 1994 | AIDS knowledge and attitudes |