| Variable | Year | Supplement |
|---|---|---|
| AIDCRIP | 1987 | AIDS knowledge and attitudes |
| AIDSSTAT | 1988 | AIDS knowledge and attitudes |
| NATPT | 1989 | AIDS knowledge and attitudes |
| REDUCPRO | 1992 | AIDS knowledge and attitudes |
| REDUCPRO | 1991 | AIDS knowledge and attitudes |
| REDUPROT | 1990 | AIDS knowledge and attitudes |