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. Author manuscript; available in PMC: 2018 Sep 6.
Published in final edited form as: Am J Drug Alcohol Abuse. 2018 Jan 25;44(6):653–659. doi: 10.1080/00952990.2017.1416474

Table 2.

OROS-MPH reduction of secondary outcomes as a function of baseline ADHD severity.

Treatment effect Low baseline ADHD severity (n = 121) High baseline ADHD severity (n = 134)


ADHD severity Withdrawal Craving ADHD severity Withdrawal Craving
Estimated decrease (SE) 3.68 (1.68) 3.09 (0.87) 0.054 (0.19) 6.45 (1.61) 2.43 (0.84) 0.39 (0.18)
Cohen’s d 0.5 0.56 0.08 0.88 0.44 0.58
p-value 0.0291 0.0004 0.77 <0.0001 0.0037 0.03