Risk Profiles of Youth Single, Dual, and Poly Tobacco Users.

Introduction: Given widespread availability and uptake of myriad tobacco products among youth, a comprehensive tobacco control agenda necessitates an in-depth exploration of the phenomenon of concurrent tobacco use.

Methods: Multinomial logistic regression generated distinct concurrent tobacco use risk profiles of single, dual, and poly use, defined as use of only one, only two, and any three or more tobacco products in the last 30 days, from the 2012 National Youth Tobacco Survey (n = 24 658).

Results: Among youth using tobacco in the past 30 days (n = 5030), the majority were poly tobacco product users (55.