Table 2.

Allele and genotype frequencies of the dopamine D4 receptor, monoamine oxidase A, serotonin-transporter, and dopamine active transporter 1 genes among females.

Genes		DRD4a, n (%)	MAO-Ab, n (%)	5-HTTLPRc, n (%)	DAT1d, n (%)
Allele
	2	7 (6.5)	2 (1.8)	N/Ae	N/A
	3	11 (10.2)	33 (30.6)	N/A	N/A
	4	84 (77.7)	68 (63)	N/A	N/A
	5	3 (2.7)	5 (4.6)	N/A	N/A
	6	0 (0)	N/A	N/A	N/A
	7	3 (2.7)	N/A	N/A	N/A
	8	0 (0)	N/A	N/A	N/A
	L	N/A	N/A	62 (57.4)	N/A
	S	N/A	N/A	46 (42.6)	N/A
	9	N/A	N/A	N/A	42 (38.9)
	10	N/A	N/A	N/A	66 (61.1)
Genotype
	2R/2R	1 (1.9)	1 (1.9)	N/A	N/A
	2R/4R	5 (9.3)	N/A	N/A	N/A
	2R/5R	0 (0)	N/A	N/A	N/A
	2R/7R	0 (0)	N/A	N/A	N/A
	3R/3R	3 (5.6)	9 (16.7)	N/A	N/A
	3R/4R	3 (5.6)	15 (27.8)	N/A	N/A
	3R/7R	2 (3.7)	N/A	N/A	N/A
	3R/8R	0 (0)	N/A	N/A	N/A
	4R/4R	37 (68.5)	26 (48.1)	N/A	N/A
	4R/5R	2 (3.7)	1 (1.9)	N/A	N/A
	4R/7R	0 (0)	N/A	N/A	N/A
	4R/8R	0 (0)	N/A	N/A	N/A
	5R/5R	N/A	2 (3.7)	N/A	N/A
	5R/7R	1 (1.9)	N/A	N/A	N/A
	6R/7R	0 (0)	N/A	N/A	N/A
	7R/7R	0 (0)	N/A	N/A	N/A
	L/L	N/A	N/A	17 (31.5)	N/A
	L/S	N/A	N/A	28 (51.9)	N/A
	S/S	N/A	N/A	9 (16.7)	N/A
	9/9	N/A	N/A	N/A	9 (16.6)
	9/10	N/A	N/A	N/A	23 (42.6)
	10/10	N/A	N/A	N/A	22 (40.8)

^aDRD4: dopamine D4 receptor gene.

^bMAO-A: monoamine oxidase A.

^c5-HTTLPR: serotonin-transporter-linked polymorphic region.

^dDAT1: dopamine transporter 1.

^eN/A: not applicable.