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Abstract:
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After decades of efforts, cigarette smoking continues to decline in the United States. However, the uses of other tobacco products (such as e-cigarettes and moist snuff) have substantially increased, especially in the next generation of US population. From 2017 to 2018, current e-cigarette use increased 78% among high school students and 48% among middle school student. In 2018, 1 in 5 high school students and 1 in 20 middle school students currently use e-cigarettes. The Surgeon General of the United States Public Health Service has called actions to stop the e-cigarette epidemic among the next generation of the country. In this talk, we will talk about the complexity of tobacco use patterns over time among US populations, and the use of statistical approaches to understand the underlying reasons and pathways for the quickly changed use patterns of multiple tobacco products among a national representative sample in the United States. We will also use a new nonparametric causal approach to evaluate the impact of tobacco uses on the healthcare cost distribution when many subjects have not had any healthcare costs yet, leading to excessive zeros in the outcome distribution.
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