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Panel A: Changes in never-cigarette smoking status among new past-month e-cigarette users (12–17 years): PATH study, 2013–2018
Panel B: Transitions of past-month e-cigarette use among youth (12–17 years) according to never vs. ever cigarette smoking: PATH study, 2013–2018
*p<0.001 for difference between transition categories at Wave 2/3/4 among e-cigarette never cigarette users and e-cigarette ever cigarette users
