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195341 https://hdl.handle.net/2286/R.2.N.195341 http://rightsstatements.org/vocab/InC/1.0/ All Rights Reserved 2024 247 pages Doctoral Dissertation Academic theses Text eng Martin, Julie Shin, YoungJu Pettigrew, Jonathan Lee, JeongKyu Leischow, Scott Arizona State University Partial requirement for: Ph.D., Arizona State University, 2024 Field of study: Communication For decades, tobacco control has been a research priority for scholars and public health officials. While rates of cigarette smoking have largely declined in the United States, the use of e-cigarettes, sometimes referred to as vapes or electronic nicotine delivery systems (ENDS), has gradually risen since their introduction in the 2000s. Within communication, scholars have extensively studied parental substance use prevention practices, especially as they relate to tobacco, alcohol, and marijuana. This research extends understanding about parent prevention practices by focusing on e-cigarettes and young adult use. The study results provide both in-depth understanding of parent’s e-cigarette conversations with their children and theorizing for a new measure related to how these practices impact young adult’s e-cigarette attitudes, intentions, and behaviors. To better understand how parents engage in discussions about e-cigarettes with their children and the impacts of these conversations, a sequential mixed methods (qualitative to quantitative) study design was employed using the framework of the parent-offspring drug talk (PODT) model. First, semi-structured interviews with parents of children ages 18-24 were conducted to provide insight into these experiences and how they may differ based on parent’s relation to their children, comfort with the topic, or family communication environments. Interview data was then used to generate potential items for a measure of parent-child drug talks and their outcomes specific to e-cigarette use. Newly developed items were assessed using factor analysis. To refine and to validate this new measure, surveys using the new and existing measures were conducted with young adults between the ages of 18 and 24. Results show new insights for family discussions about e-cigarette use and provide a reconceptualization of the PODT model. Communication Public Health E-Cigarette Family Prevention tobacco Vaping Seeing Through the Vapor: A Mixed-Methods Approach to Investigate Parent-Child Communication About E-Cigarette Use and Measure Subsequent Health Outcomes