Skip to main content

Table 1 Baseline characteristics of participants enrolled in the PK study (n = 48)

From: Design, recruitment, and retention of African-American smokers in a pharmacokinetic study

  All Menthol (n = 29) Non-Menthol (n = 19) P value
Mean age (SD) 50.9 (9.7) 47.4 (9.3) 56.3 (7.9) <0.0011
Gender, n (% female) 28 (58.3%) 16 (57.1%) 12 (42.9%) 0.772
BMI* 29.9 (7.0) 30.5 (7.0) 29.0 (7.1) 0.48
Mean age of smoking initiation 17.6 (4.4) 18.0 (5.1) 16.9 (3.1) 0.34
Mean age of regular smoking 19.7 (5.0) 19.9 (5.9) 20.9 (4.5) 0.70
No. of years smoked 33.4 (10.1) 29.4 (9.4) 39.4 (7.8) <0.001
Mean CPD at baseline 15.1 (4.6) 15.3 (5.2) 16.1 (3.7) 0.331
FTND Score** 4.8 (1.7) 4.5 (1.6) 5.2 (1.8) 0.18
  1. 1Wilcoxon rank sum test; 2Fisher's exact test; all other p-values calculated with t -tests;
  2. *Body Mass Index. **Fagerström Test of Nicotine Dependence.