GAD2 and attention deficit-hyperactivity disorder: The combination of being on Dyanavel XR, having negative changes in ADHD, and positive changes in anxiety symptom presentation from the baseline to the 90-day visit predicted reduced IR supplementation (ASSET change: t = 2.377, p = .018; GAD-2 change: t = -2.543, p = .011; Dyanavel XR: t = -2.112, p = .035).