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. 2019 Feb 2;14(5):1373–1381. doi: 10.1007/s11682-019-00043-5

Table 2.

Sociodemographic characteristics of the HC genotype groups

Characteristic COMT-Met COMT-Val t/x2 p
Mean age, years 24.50 ± 2.50 25.00 ± 4.2 0.474 0.638
Gender, males:females 7:15 10:10 1.437 0.231
Mean education level, years 12.50 ± 3.68 13.50 ± 2.50 1.020 0.314