Most research on attention deficit hyperactivity disorder (ADHD) focuses on childhood or early adulthood. Less is known about the impact of childhood ADHD traits across the lifespan. This study aims to test (1) whether childhood ADHD traits are associated with trajectories of psychological distress across adulthood up to midlife, and (2) the role of societal exclusion in the relationship between ADHD traits and midlife distress. Data were from the 1970 British Cohort Study (N = 17,196 at birth),…
