From: Parent-reported sleep problems, symptom ratings, and serum ferritin levels in children with attention-deficit/hyperactivity disorder: a case control study
r
p
CPRS-R:L subscales
Oppositional
-0.277
0.080
Cognitive Problems/Inattention
-0.044
0.784
Hyperactivity
-0.094
0.559
ADHD index
-0.003
0.984