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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Psychopharmacology (Berl). 2011 Jan 15;218(1):39–48. doi: 10.1007/s00213-010-2150-y

Table 1.

Demographics, substance use and smoking variables by group

Smoke as normal
Percentage of sample
or mean (SD)
Placebo patch
Percentage of sample
or mean (SD)
Nicotine patch
Percentage of sample
or mean (SD)
Demographics
  Sex 69% Male 88% Male 81% Male
  Ethnicity 6% Hispanic 6% Hispanic 7% Hispanic
  Race 44% White 59% White 81% White
25% Black 29% Black 6% Black
31% Other/mixed race 12% Other/mixed race 13% Other/mixed race
  Age 25.19 (5.61) 27.18 (6.94) 25.94 (5.00)
  BDI scores 4.93 (6.39) 2.18 (3.05) 2.80 (3.73)
Drug use last 30 days
  Caffeinated beverages per week 13.32 (7.47) 20.21 (14.41) 14.13 (11.83)
  Alcoholic drinks per week 9.47(9.55) 9.55 (7.50) 15.17 (10.48)
  Cannabis occasions last 30 days 6.25 (10.58) 7.19 (8.00) 8.00 (11.97)
Drug use lifetime (ever used)
  Lifetime use of cannabis 100% 100% 100%
  Lifetime use of tranquilizers 25% 18% 44%
  Lifetime use of stimulants 53% 59% 62%
  Lifetime use of opiates 31% 35% 50%
  Lifetime use of hallucinogens 50% 59% 56%
  Lifetime use of inhalants 0% 29% 25%
Smoking-related variables
  Cigarettes per day 16.00 (7.59) 14.94 (4.84) 12.78 (2.43)
  FTND scores 4.69 (1.14) 4.76 (2.14) 4.44 (1.75)