Table 1.

Distribution of the genetic polymorphisms studied in the sample

Variable	n	%	%a
5‐HTT			Arias et al. (2012)
L/L	24	24.2	27.4
L/S	47	47.5	48
S/S	28	28.3	24.6
DAT			Sáiz et al. (2010)
9R/9R	8	8.1	10.89
9R/10R	47	47.5	42.9
10R/10R	41	41.4	42.25
10R/11R	3	3.0	Ns
MAOA			Rivera et al. (2009)
3R/3R	12	12.1	17
3R/4R	37	37.4	39
4R/4R	50	50.5	42
COMT			Sánchez‐Morán et al. (2018)
Val/Val	27	27.3	25.0
Val/Met	49	49.5	50.0
Met/Met	23	23.2	25.0

^aProportions previously described in Spanish populations.