TABLE I

Characteristics of subjects undergoing treatment with nicotine patches to stop smoking. Values are numbers (percentages) of subjects unless stated otherwise

CharacteristicAll subjects (n=1481)Men (n=658)Women (n=823)
Mean (SD) age (years)41.1 (10.8)41.0 (10.8)41.2 (10.8)
Mean (SD) No of cigarettes a day32.3 (11.8)34.5 (12.9)30.6 (10.5)
Mean (SD) duration of smoking (years)23.2 (10.7)23.8 (11.2)22.7 (10.2)
Nicotine dependence*:
  High866 (58)423 (64)443 (54)
  Moderate474 (32)187 (28)287 (35)
  Low141 (10)48 (8)93 (11)
Motivation:
  “Want to stop”1100 (74)472 (72)628 (76)
  “Should stop”/other381 (26)186 (28)195 (24)
Likelihood of stopping:
  Certain/very likely1058 (71)467 (71)591 (72)
  Less likely423 (29)191 (29)232 (28)
  • * Modified Fagerstrom tolerance score12: high, <=7; moderate, 5-6; low, <=4.