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Table 1 Participant characteristics

From: The impact of sex on brain responses to smoking cues: a perfusion fMRI study

  All Males Females p
  N = 51 n = 31 n = 20  
Race (%)     
White 35 (69) 22 (71) 13 (65) 0.60
Black 11 (22) 7 (23) 4 (20)  
Other 5 (9) 2 (6) 3 (15)  
Means ± (SEMs)
Age 34.2 (1.6) 36.2 (2.0) 30.9 (2.5) 0.10
Education 14.4 (0.3) 14.3 (0.3) 14.7 (0.6) 0.52
Cigarettes per day 15.6 (0.8) 16.9 (1.0) 13.6 (1.2) 0.04*
Pack yearsa 12.5 (1.6) 15.2 (2.4) 8.4 (1.6) 0.04*
FTND scores 4.5 (0.2) 4.7 (0.3) 4.3 (0.5) 0.44
Craving scoresb 0.8 (0.2) 0.8 (0.3) 0.9 (0.4) 0.93
  1. * p < 0.05.
  2. aPack years calculation: Cigarettes per day (÷) cigarettes in a pack (X) years smoking.
  3. bCraving scores calculation: Post-SC video craving score – Pre-SC video craving score.
  4. FTND = Fagerstrom Test for Nicotine Dependence; FTND scores ranged from 1 to 9.