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. Author manuscript; available in PMC: 2023 Feb 1.
Published in final edited form as: Drug Alcohol Depend. 2021 Dec 31;231:109251. doi: 10.1016/j.drugalcdep.2021.109251

TABLE 2.

Total number of transitions (row %) between consecutive ENDS use states

Transition to state
Transition from state Never Current Non-Current
Never 13,389 (96%) 173 (1%) 356 (3%)*
Current Not Applicable** 3218 (66%) 1630 (34%)
Former Not Applicable** 1184 (12%) 8709 (88%)
*

Represents transitions from never cigarette use to ever (but not current) cigarette use; this transition was not included in the multi-state Markov model addressing the study hypotheses.

**

Transitions from current use or former use to never use were not allowed.