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J Ethn Subst Abuse. 2017 Oct-Dec;16(4):495-510. doi: 10.1080/15332640.2017.1317310. Epub 2017 May 19.

Racial and ethnic differences in treatment outcomes among adults with stimulant use disorders after a dosed exercise intervention.

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a School of Social Work , The University of Texas at Arlington , Arlington , Texas.
b University of Texas Southwestern Medical Center , Dallas , Texas.


The current study examined differences in substance abuse treatment outcomes among racial and ethnic groups enrolled in the Stimulant Reduction Intervention using Dosed Exercise (STRIDE) trial, a multisite randomized clinical trial implemented through the National Institute on Drug Abuse's (NIDA's) Clinical Trials Network (CTN). STRIDE aimed to test vigorous exercise as a novel approach to the treatment of stimulant abuse compared to a health education intervention. A hurdle model with a complier average causal effects (CACE) adjustment was used to provide an unbiased estimate of the exercise effect had all participants been adherent to exercise. Among 214 exercise-adherent participants, we found significantly lower probability of use for Blacks (z = -2.45, p = .014) and significantly lower number of days of use for Whites compared to Hispanics (z = -54.87, p = <.001) and for Whites compared to Blacks (z = -28.54, p = <.001), which suggests that vigorous, regular exercise might improve treatment outcomes given adequate levels of adherence.


Ethnicity; exercise; race; stimulant use disorder; stimulants

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