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Table 2 Trajectories of e-cigarette use from baseline to 1-month follow-up

From: E-cigarettes and smoking cessation: a prospective study of a national sample of pregnant smokers

  1-month follow-upa
Used e-cigarettes Did not use e-cigarettes
Baseline Used e-cigarettes 36 (8.41%) Continued
16 (44.44%)
Stopped
20 (55.56%)
Did not use e-cigarettes 392 (91.59%) New
14 (3.57%)
Continued non-users
375 (95.66%)
Total 428 30 (7.01%) 395 (92.29%)
  1. a3 observations missing at 1-month follow-up