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. Author manuscript; available in PMC: 2020 Mar 21.
Published in final edited form as: Sleep Med. 2017 Mar 6;37:180–186. doi: 10.1016/j.sleep.2017.02.006

Table 5b.

Significant predictors of the sleep problems total score using the psychological problem scores in stepwise regression in general population and ADHD samples.

Predictor variables General population regression β ADHD regression β
Inattention
Hyperactivity-impulsivity 0.25 0.34
Conduct problems
Anxiety 0.22 0.28
Depression
Oppositional behavior 0.23
R2 0.29 0.21
F 87.8* 104.9*

Note: Variables without beta values increased explained variance by <2%.

*

p < 0.0001.

ADHD = Attention Deficit Hyperactivity Disorder; DMDD = Disruptive Mood Dysregulation Disorder.