Skip to main content

Table 2 Subject characteristics according to SNPs genotypes

From: Beverage preference (coffee vs. tea) according to CYP1A2 gene rs2470893 SNP genotypes in the Tunisian population

SNP genotype

Age

Mean (SD)

Gender

Male/female

Smoking status

NS (N)/S (N)*

Pack years

Mean (SD)

rs2470893 G > A

GG (N = 415)

35.16 (10.56)

325/90

197/218

8.29 (11.09)

GA + AA (N = 105)

38.63 (11.63)

80/25

63/42

5.90 (8.55)

P

0.005a

0.69b

0.022b

0.020a

rs2472297 C > T

CC (N = 475)

35.80 (10.59)

365/110

242/233

8.32 (10.95)

CT + TT (N = 45)

36.37 (13.54)

40/5

18/27

1.87 (2.11)

P

0.79a

0.063b

0.16b

0.000a

rs762551 A > C

AA (N = 236)

35.58 (10.35)

193/43

106/130

6.97 (10.46)

AC + CC (N = 284)

36.48 (11.75)

212/72

154/130

8.91 (11.17)

p

0.39a

0.065b

0.034b

0.59a

rs762551 A > C

AA + AC (N = 476)

35.80 (10.94)

370/106

243/233

7.54 (10.43)

CC (N = 44)

40.00 (13.23)

35/9

17/27

16.40 (14.74)

p

0.10a

0.78b

0.11b

0.007a

  1. *NS (Nonsmoker) versus S (Smoker)
  2. aStudent t test
  3. bPearson chi-square test