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Table 1 Baseline characteristics by group

From: Combining varenicline and nicotine patches: a randomized controlled trial study in smoking cessation

Variables Varenicline + nicotine patch N = 170 Varenicline + placebo N = 171 P-value
Gender Number (%)    
  Male 95 (55.9%) 102 (59.6%)  
  Female 75 (44.1%) 69 (40.4%) 0.55a
Age    
  Mean (±SD) 44.1 (±14.8) 46.2 (±13.1) 0.38b
Cigarettes/day Number (%)    
  ≤29 cig/day 78 (45.9%) 84 (49.1%)  
  >29 cig/day 92 (54.1%) 87 (50.9%) 0.60a
Previous attempts Number (%)    
  None 33 (19.4%) 27 (15.8%)  
  1 73 (42.9%) 67 (39.2%)  
  2 to 3 44 (25.9%) 60 (35.1%)  
  >3 20 (11.8%) 17 (9.9%) 0.31a
FTND    
Mean (±SD) 6.1 (±1.6) 6.8 (±1.8) 0.9b
  1. aχ2 squared test; bT-test. FTND, Fagerstrom test for nicotine dependence; SD Standard deviation.