But ADHD has been shown to significantly affect income. It’s hard to excel in a high paying career when it’s affecting you strongly. It’s probably pretty hard to normalize for income, then, because it’s a confounding factor.

But that too largely depends on your parents income and wealth as well, ADHD is less of a problem in higher paying job than lower paying job. In fact, for higher paying jobs where you can delegate, AHDH can be an advantage.