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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Addict Behav. 2019 Apr 1;96:50–55. doi: 10.1016/j.addbeh.2019.03.017

Table 2.

Analytic sample for each product, and prevalence of initiation (new onset) between W1 and W2 overall, among those who had never used any other product, and among those who had used another product

Total N Susceptibility at W1 N(%) Initiation between W1 and W2 N(%)
E-CIGARETTES 1197 337 (28.4) 327 (28.1)
    Used other products 199 77 (39.1) 114 (59.1)
    Never used any other product 998 260 (26.3) 213 (21.9)
CIGARETTES 1293 320 (24.9) 208 (16.4)
    Used other products 295 96 (32.7) 106 (36.8)
    Never used any other product 998 224 (22.6) 102 (10.4)
HOOKAH 1145 326 (28.7) 201 (17.9)
    Used other products 147 75 (51.4) 48 (33.3)
    Never used any other product 998 251 (25.4) 153 (15.7)
CIGAR/CIGARILLO/LITTLE CIGARS 1365 354 (26.1) 207 (15.5)
    Used other products 367 153 (41.8) 112 (31.2)
    Never used any other product 998 201 (20.3) 95 (9.8)