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Table 3 Status at 52 weeks for those eligible for randomization at week 12 (N = 44)

From: Extended interactive voice response telephony (IVR) for relapse prevention after smoking cessation using varenicline and IVR: a pilot study

Outcome Overall (N = 44) Control (N = 21) Extended IVR (N = 23) p-value1
Status at week 52
Missing 4 2 2 0.333
Smoking 14 (35.0%) 5 (26.3%) 9 (42.9%)  
Not smoking 26 (65.0%) 14 (73.7%) 12 (57.1%)  
  1. 1Based on Fisher’s exact test.