• Jeremy D Kidd, Frances R Levin, Curtis Dolezal, Tonda L Hughes, and Walter O Bockting.
• Department of Psychiatry, Columbia University, 1051 Riverside Drive, New York, NY 10032, United States of America; New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, United States of America. Electronic address: Jeremy.Kidd@nyspi.columbia.edu.
• Addict Behav. 2019 Sep 1; 96: 68-75.

ObjectiveWhile transgender people report higher rates of risky drinking than the general population, no studies have examined transgender alcohol use longitudinally. This study investigated minority stress and identity development predictors of improvement in risky drinking among transgender individuals.MethodsData come from a multi-site, longitudinal cohort study of U.S. transgender individuals (N = 330) and include measures of enacted stigma, felt stigma, identity development, and risky alcohol use. Theory-driven, hierarchical multivariable logistic regression was used to investigate the hypothesis that minority stress and identity development factors are related to improvement in risky drinking between baseline and 1-year follow-up.ResultsBaseline risky drinkers (n = 106; 37.1%) were younger and more likely to have female sex assigned at birth. At 1-year follow-up, 68 baseline risky drinkers (64.2%) reported persistent risky drinking, while 38 (35.8%) reported improved drinking. Controlling for demographics and study site, female sex assigned at birth and enacted stigma were associated with lower odds of improved drinking. Non-white/Hispanic race/ethnicity, felt stigma, change in gender role/expression for 1-5 years, and diffuse-avoidant identity style were associated with higher odds of improvement.Conclusions/ImportanceThis is the first study to identity predictors of improvement in risky drinking among transgender individuals. Compared to trans-feminine individuals (assigned male at birth), trans-masculine individuals (assigned female at birth) were more likely to report risky drinking at baseline and had lower odds of improvement at 1-year follow-up. Improved drinking may be facilitated by preventing anti-transgender discrimination. Felt stigma and diffuse-avoidant identity style may lower alcohol risk via avoidance of drinking venues. Further research is needed to explicate these relationships and to inform culturally-tailored alcohol interventions for this at-risk population.Copyright © 2019 Elsevier Ltd. All rights reserved.

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