Table 4.

Structural Regression Analyses Examining Sluggish Cognitive Tempo, ADHD, and Internalizing Dimensions in Relation to Task-Unrelated Thought

	MEWS Mind-Wandering		IPI Mind-Wandering (Daydreaming)		RRS Reflection		RRS Brooding
	β	SE	β	SE	β	SE	β	SE
SCT	0.22*	0.02	0.59*	0.02	0.12*	0.03	0.14*	0.03
ADHD inattention	0.21*	0.03	0.02	0.03	−0.12*	0.03	−0.07	0.03
ADHD hyperactivity	0.15*	0.02	0.03	0.03	0.05	0.03	0.02	0.03
ADHD impulsivity	0.03	0.02	−0.03	0.02	−0.03	0.02	0.01	0.02
Depression	0.15*	0.02	−0.01	0.03	0.49*	0.03	0.47*	0.03
Anxiety	0.15*	0.03	0.04	0.03	0.13*	0.03	0.20*	0.03

Note. N = 4,679. ADHD = attention-deficit/hyperactivity disorder. MEWS = Mind Excessively Wandering Scale. IPI = Imaginal Process Inventory. RRS = Ruminative Response Scale. SCT = sluggish cognitive tempo. SE = standard error.

^*p < .001.