Structural Stigma, Racism, and Sexism Studies on Substance Use and Mental Health: A Review of Measures and Designs.

Purpose: Most research on the structural determinants of substance use and mental health has centered around widely studied factors such as alcohol taxes, tobacco control policies, essential/precursor chemical regulations, neighborhood/city characteristics, and immigration policies. Other structural determinants exist, however, many of which are being identified in the emerging fields of structural stigma, structural racism, and structural sexism. This narrative review surveys the measures and designs used in substance use and mental health studies from these three fields.

Search methods: The PubMed, PsycINFO, and Scopus databases were searched on May 11, 2023. A focused search approach used terminology for structural racism, stigma, or sexism combined with terminology for substance use or mental health. Peer-reviewed studies were included if they were written in English and assessed associations between objective structural measures and substance use and mental health outcomes.

Search results: Of 2,536 studies identified, 2,487 were excluded. Forty-nine studies (30 related to stigma, 16 related to racism, and three related to sexism) met the inclusion criteria. Information was abstracted about the structural measures, outcome measures, research design, sample, and findings of each study.

Discussion and conclusions: The structural determinant measures used in the studies reviewed were diverse. They addressed, for example, community opinions, the gender of legislators, economic vulnerability, financial loan discrimination, college policies, law enforcement, historical trauma, and legislative protections for sexual and gender minorities and for reproductive rights. Most of the structural determinant measures were constructed by combining multiple indicators into indexes or by merging indexes into composite indexes, although some studies relied on single indicators alone. The substance use and mental health outcome measures most frequently examined were related to alcohol and depression, respectively. The studies were conducted in numerous nations and drew samples from an array of groups, including, for example, patients who experienced overdoses from substance use, sexual and gender minorities, racial and ethnic minority groups, women, youth, migrants, and patients subject to involuntary psychiatric hospitalization. Most of the studies used passive-observational (correlational) research designs and, as a result, did not assess whether their structural determinant variables were causally related to substance use and mental health. Nevertheless, the studies reviewed can be used by public health proponents to foster awareness that a wide range of structural determinants correlate with the substance use and mental health of many groups within and across nations.