نبذة مختصرة : BACKGROUND: Assessing risk for excessive alcohol use is important for applications ranging from recruitment into research studies to targeted public health messaging. Social media language provides an ecologically embedded source of information for assessing individuals who may be at risk for harmful drinking. METHODS: Using data collected on 3664 respondents from the general population, we examine how accurately language used on social media classifies individuals as at-risk for alcohol problems based on Alcohol Use Disorder Identification Test-Consumption (AUDIT-C) score benchmarks. RESULTS: We find that social media language is moderately accurate (area under the curve = 0.75) at identifying individuals at risk for alcohol problems (i.e., hazardous drinking/alcohol use disorders) when used with models based on contextual word embeddings. High risk alcohol use was predicted by individuals’ usage of words related to alcohol, partying, informal expressions, swearing, and anger. Low risk alcohol use was predicted by individuals’ usage of social, affiliative, and faith-based words. CONCLUSIONS: The use of social media data to study drinking behavior in the general public is promising, and could eventually support primary and secondary prevention efforts among Americans whose at-risk drinking may have otherwise gone “under the radar.”
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