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. Author manuscript; available in PMC: 2025 Sep 26.
Published in final edited form as: Tob Regul Sci. 2015 Jul;1(2):129–141.

Table 3.

Status Quo Markov Models of Tobacco Use Behavior among US Young Adults Aged 18–24 from Baseline Projected over 10 Years

Non-current users Cigarette users Dual users E-cigarette users Former users

Base case model
 Baseline 79% 15% 2% 1% 3%
 1 year 74% 18% 1% 1% 6%
 5 years 55% 28% 1% 1% 15%
 10 years 38% 37% 1% 2% 22%
Adjusted base case model
 Baseline 79% 15% 2% 1% 3%
 1 year 74% 13% 1% 1% 11%
 5 years 58% 18% 1% 1% 22%
 10 years 48% 21% 1% 1% 29%

Note.

% = prevalence