Substance Use and Cumulative Exposure to American Society: Findings from Both Sides of the US-Mexico Border Region
OBJECTIVES:
We
investigated whether Mexican immigration to the United States exerts
transnational effects on substance use in Mexico and the United States.
METHODS:
We
performed a cross-sectional survey of 2336 Mexican Americans and 2460 Mexicans
in 3 Texas border metropolitan areas and their sister cities in Mexico (the
US-Mexico Study on Alcohol and Related Conditions, 2011-2013). We collected
prevalence and risk factors for alcohol and drug use; Diagnostic and
Statistical Manual of Mental Disorders, Fourth Edition, alcohol-use disorders;
and 2 symptoms (hazardous use and quit or control) of drug use disorder across
a continuum of migration experiences in the Mexican and Mexican American
populations.
RESULTS:
Compared
with Mexicans with no migrant experience, the adjusted odds ratios for this
continuum of migration experiences ranged from 1.10 to 8.85 for 12-month drug
use, 1.09 to 5.07 for 12-month alcohol use disorder, and 1.13 to 9.95 for
12-month drug-use disorder. Odds ratios increased with longer exposure to US
society. These findings are consistent with those of 3 previous studies.
CONCLUSIONS:
People
of Mexican origin have increased prevalence of substance use and disorders with
cumulative exposure to US society.
- 1Guilherme Borges, Ricardo Orozco, and Maria Elena Medina-Mora are with Instituto Nacional de Psiquiatría, México DF, México. Guilherme Borges is also with the Universidad Autónoma Metropolitana, México DF. Cheryl J. Cherpitel and Sarah E. Zemore are with the National Alcohol Research Center, Public Health Institute, Emeryville, CA. Lynn Wallisch is with the University of Texas, Center for Social Work Research, Austin, TX. Joshua Breslau is with RAND Corporation, Pittsburgh, PA.
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