| Variable | Year | Supplement |
|---|---|---|
| CROST | 1981 | Child health |
| DP0883 | 1994 | Disability phase 1 record |
| DP0884 | 1995 | Disability phase 1 record |
| DP0891 | 1994 | Disability phase 1 record |
| DP0892 | 1995 | Disability phase 1 record |
| DP0898 | 1994 | Disability phase 1 record |
| DP0899 | 1995 | Disability phase 1 record |