The 2020 Oklahoma Substance Use and Mental Health Epidemiological Profile was developed by the Oklahoma State/Tribal Epidemiological Outcomes Workgroup
(STEOW). The STEOW is led by Cherokee Nation, Southern Plains Tribal Health Board, and the Oklahoma Department of Mental Health and Substance
Abuse Services. The STEOW is comprised of representatives from tribes, tribal organizations, government agencies, universities, and non-profit organizations.
The mission of the Oklahoma STEOW is to improve prevention assessment, planning, implementation,