Social Media Use in the Context of Drinking Onset: The Mutual Influences of Social Media Effects and Selectivity.

The article aims to provide a profound understanding of the multifaceted role of adolescents' social media use in the context of drinking onset. It differentiates between exposure and sharing effects from social media content on drinking behavior and, conversely, exposure to and sharing of alcohol-related content due to drinking in the initiation phase of regular alcohol consumption. We tested our hypotheses based on a two-wave survey among adolescents aged 13 to 17 and focused on those who had not yet been regular drinkers at the first wave of data collection (