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. 2015 Mar 28;2:13–18. doi: 10.1016/j.abrep.2015.03.001

Table 2.

Problem area, mean scores and differences between SUD patients with and without adult attention deficit hyperactivity disorder (ADHD).


SUD + ADHD
N = 196
SUD-ADHD
N = 1009



N M SD N M SD U-value p Value r
Infant development (0–4) 181 0.62 0.94 961 0.30 0.59 70753 < .000 0.15
Temperamental (0–13) 182 5.60 2.90 958 2.40 2.50 35594 < .000 0.38
Elementary school (0–15) 184 5.30 3.15 965 2.41 2.73 42121 < .000 0.34
Middle/high school (0–16) 168 5.70 2.84 898 2.95 2.72 35643 < .000 0.34