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Table 1 Baseline characteristics of participants

From: Is a combination of varenicline and nicotine patch more effective in helping smokers quit than varenicline alone? A randomised controlled trial

  Placebo patch (N=53-59)* Nicotine patch (N=56-58)*
Age (SD) in years 43.8 (11.0) 45.3 (10.8)
Cigarette consumption (SD) 17.4 (8.1) 18.7 (8.0)
Baseline CO (SD) 21 (10.4) 21 (8.5)
FTND (SD) 4.9 (2.6) 4.8 (2.2)
Age when started smoking (SD) 17.4 (6.8) 18.4 (5.5)
Number of previous quit attempts (SD) 2.8 (1.1) 2.9 (1.2)
Male N (%) 40 (68) 38 (66)
White British N (%) 36 (61) 37 (64)
Married N (%) 16 (27) 15 (26)
Left school at 16 N (%) 48 (41) 46 (40)
Hand-rolled cigs N (%) 12 (20) 11 (19)
Partner smokes N (%) 15 (25) 15 (26)
In paid employment N (%) 49/58* (85) 41 (71)
Body mass Index (SD) 26 (4.6) 27 (4.8)
  1. * Ns differ due to missing data.