Table 2.
Associations between other neurodevelopmental problems and young adult ADHD/ASD symptoms
| ADHD symptoms | ASD symptoms | |||||||
|---|---|---|---|---|---|---|---|---|
| B | β | (95% CI) | p | B | β | (95% CI) | p | |
| Parent‐reported symptoms in young adulthood | ||||||||
| IQ: age 8 | −.03 | −.24 | (−0.28, −0.20) | 3 × 10−30 | −.04 | −.20 | (−0.25, −0.16) | 2 × 10−19 |
| Reading: age 7 | −.18 | −.22 | (−0.26, −0.18) | 3 × 10−26 | −.27 | −.19 | (−0.23, −0.14) | 2 × 10−16 |
| Spelling: age 7 | −.13 | −.24 | (−0.27, −0.20) | 2 × 10−30 | −.19 | −.19 | (−0.23, −0.15) | 3 × 10−17 |
| Pragmatic language: age 9 | −.09 | −.38 | (−0.42, −0.34) | 1 × 10−64 | −.17 | −.38 | (−0.43, −0.34) | 2 × 10−57 |
| Communication: age 25 | −.05 | −.48 | (−0.54, −0.42) | 3 × 10−53 | −.13 | −.60 | (−0.66, −0.55) | 1 × 10−104 |
| Self‐reported symptoms in young adulthood | ||||||||
| IQ: age 8 | −.01 | −.08 | (−0.12, −0.04) | 2 × 10−04 | −.06 | −.14 | (−0.18, −0.10) | 5 × 10−12 |
| Reading: age 7 | −.09 | −.09 | (−0.13, −0.05) | 2 × 10−05 | −.37 | −.12 | (−0.16, −0.08) | 1 × 10−09 |
| Spelling: age 7 | −.07 | −.11 | (−0.16, −0.07) | 8 × 10−08 | −.26 | −.12 | (−0.16, −0.08) | 7 × 10−10 |
| Pragmatic language: age 9 | −.05 | −.17 | (−0.22, −0.13) | 6 × 10−15 | −.21 | −.23 | (−0.27, −0.19) | 5 × 10−27 |
| Communication: age 25 | −.02 | −.17 | (−0.22, −0.12) | 8 × 10−12 | −.12 | −.28 | (−0.32, −0.23) | 5 × 10−30 |