| COHORT | cohort |
| SBRAW2 | Stanford-Binet raw vocabulary score,W2 |
| SBSCAL2 | Stanford-Binet scaled vocabulary score,W2 |
| SUBID2 | ICPSR Wave 2 subject ID |
| VF1 | score, word 1, Stanford Binet |
| VF10 | score, word 10, Stanford Binet |
| VF11 | score, word 11, Stanford Binet |
| VF12 | score, word 12, Stanford Binet |
| VF13 | score, word 13, Stanford Binet |
| VF14 | score, word 14, Stanford Binet |
| VF15 | score, word 15, Stanford Binet |
| VF16 | score, word 16, Stanford Binet |
| VF17 | score, word 17, Stanford Binet |
| VF18 | score, word 18, Stanford Binet |
| VF19 | score, word 19, Stanford Binet |
| VF2 | score, word 2, Stanford Binet |
| VF20 | score, word 20, Stanford Binet |
| VF21 | score, word 21, Stanford Binet |
| VF22 | score, word 22, Stanford Binet |
| VF23 | score, word 23, Stanford Binet |
| VF24 | score, word 24, Stanford Binet |
| VF25 | score, word 25, Stanford Binet |
| VF26 | score, word 26, Stanford Binet |
| VF3 | score, word 3, Stanford Binet |
| VF4 | score, word 4, Stanford Binet |
| VF5 | score, word 5, Stanford Binet |
| VF6 | score, word 6, Stanford Binet |
| VF7 | score, word 7, Stanford Binet |
| VF8 | score, word 8, Stanford Binet |
| VF9 | score, word 9, Stanford Binet |
| WAVE | wave # |