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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Addict Behav. 2017 Jul 14;76:27–33. doi: 10.1016/j.addbeh.2017.07.013

Fig 1. Predicted and observed probabilities of engaging in nonmedical use of prescription stimulants (NPS) at least once during the past six months, by perceived academic benefit of NPS (N=6929).

Fig 1

Note. Model predicted probabilities are adjusted for the effects of alcohol use, marijuana use, school, gender, race, and ethnicity.