TABLE 1.
Total N = 104 |
C allele group (CC + CT) n = 39 |
No C allele group (TT) n = 65 |
2‐tailed t test and chi‐square analysis (C vs. No C group) | |
---|---|---|---|---|
n (%) | n (%) | n (%) | p | |
Demographic characteristics | ||||
Sex | ||||
Male | 57 (54.8) | 21 (53.8) | 36 (55.4) | n.s. |
Female | 47 (45.2) | 18 (46.2) | 29 (44.6) | |
Race | ||||
Black | 31 (29.8) | 19 (48.7) | 12 (18.5) | .004 |
White/Caucasian | 63 (60.6) | 18 (46.2) | 45 (69.2) | |
Other | 10 (9.6) | 2 (5.1) | 8 (12.3) | |
Education | ||||
> high school | 63 (60.6) | 20 (51.3) | 43 (66.2) | n.s |
M ± SD | M ± SD | M ± SD | p | |
Age (years) | 41.80 ± 11.07 | 41.74 ± 11.37 | 41.83 ± 10.98 | n.s. |
Smoking characteristics | ||||
Cigarettes per day (CPD) | 17.48 ± 5.85 | 17.74 ± 6.69 | 17.32 ± 5.34 | n.s. |
No. of smoking years | 22.27 ± 11.42 | 21.26 ± 10.5 | 22.88 ± 11.99 | n.s. |
Pack‐years | 19.90 ± 12.81 | 18.29 ± 10.27 | 20.87 ± 14.11 | n.s. |
Fagerstrom Test for Nicotine Dependence (FTND) | 5.35 ± 1.89 | 5.44 ± 1.89 | 5.30 ± 1.91 | n.s. |
The sample was compared across genotype groups using chi‐square analysis for categorical variables and 2‐tailed t tests for continuous variables. Note, the “other” race category includes Asian, Latin, American Native, and mixed ethnicities.
Abbreviation: n.s., not significant.