Table 2 General information, 5-HTTLPR genotype and allele frequency

Gender [n (%)]

3.70

0.05^a

 Male

6 (11.80%)

12 (27.30%)

 Female

45 (88.20%)

32 (72.70%)

Age (year)

29.76 ± 9.65

31.14 ± 8.06

0.63

0.53^b

Education (year)

13.06 ± 3.39

13.25 ± 3.80

 − 0.26

0.80^b

5-HTTLPR genotype [n (%)]

0.10

0.75^a

 L/L + L/S

26 (51.00%)

21 (47.70%)

 S/S

25 (49.00%)

23 (52.30%)

5-HTTLPR allele frequency

 < 0.01

0.10^a

 L allele

29 (28.43%)

25 (28.41%)

 S allele

73 (71.57%)

63 (71.59%)