Skip to main content
. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Pers Individ Dif. 2013 May 14;55(5):469–473. doi: 10.1016/j.paid.2013.04.009

Table 1.

Demographic and smoking characteristics by genotype group and sex for 102T>C and 1019C>G (Total N=109)

102T>C 1019C>G
T/T C/T C/C C/C C/G G/G


Males Females Males Females Males Females Males Females Males Females Males Females
n=13 n=14 n=28 n=17 n=21 n=16 n=8 n=12 n=39 n=24 n=15 n=11






Age (years) 42(12) 46(8) 44(13) 39(12) 42(13) 35(12) 37(12) 40(10) 44(14) 39(12) 44(11) 40(12)
Education (% HS graduate) 77% 36% 75% 53% 67% 69% 88% 58% 72% 50% 67% 55%
Cigarettes per day 21(10) 19(7) 22(11) 20(8) 21(7) 19(7) 21(13) 21(7) 23(9) 19(7) 20(8) 18(9)
Nicotine dependence 5.1(3) 5.3(2) 5.2(2.5) 5.3(2.5) 5.1(2.3) 5.1(2.5) 4.1(2.8) 5.8(2.4) 5.6(2.4) 5.1(2.2) 4.5(2.4) 4.8(2.9)

Note. All values are mean(SD) unless otherwise noted.