Never having heard of e-cigarettes was protective against initiating ever e-cigarette use at earlier ages (AHR = .65; 95%CI = .53- .79), but did not reach statistical significance in its relationship with past 30-day e-cigarette use (AHR = .78; 95%CI = .55- 1.10).
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Associations Between Perceptions of e-Cigarette Harmfulness and Addictiveness and the Age of E-Cigarette Initiation Among the Population Assessment of Tobacco and Health (PATH) Youth.
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