Cognitive test scores by each early adversity variable; all scores are adjusted for sex, paternal social class, maternal education, and birth order (n = 1339)
| n (%) | Ability at 8 years | Ability at 15 years | Ability at 26 years | NART at 53 years | Memory at 43 years | Peg speed at 43 years | Search speed at 43 years | |
|---|---|---|---|---|---|---|---|---|
| NART, National Adult Reading Test. | ||||||||
| Material home conditions at age 4 years | ||||||||
| Very good | 366 (27.3) | 23.54 | 41.48 | 34.64 | 35.87 | 26.28 | 4.64 | 350.22 |
| Good | 569 (42.5) | 23.54 | 40.82 | 34.69 | 35.40 | 25.58 | 4.64 | 347.09 |
| Modest | 323 (24.1) | 22.08 | 38.76 | 33.08 | 33.81 | 24.58 | 4.63 | 335.93 |
| Poor | 81 (6.0) | 19.31 | 34.00 | 29.99 | 29.95 | 22.72 | 4.64 | 316.70 |
| Parental death or divorce, to age 8 years | ||||||||
| No | 1292 (96.5) | 23.15 | 40.44 | 34.23 | 35.02 | 25.52 | 4.64 | 344.22 |
| Yes | 47 (3.5) | 21.42 | 36.04 | 32.45 | 33.56 | 24.54 | 4.62 | 341.35 |
| Maternal management and understanding at age 4 years | ||||||||
| Good | 735 (54.9) | 23.96 | 41.45 | 35.01 | 36.06 | 26.11 | 4.63 | 345.39 |
| Average/poor | 604 (45.1) | 21.97 | 38.81 | 33.12 | 33.59 | 24.68 | 4.64 | 342.16 |