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. 2015 Jun 24;10(6):e0131604. doi: 10.1371/journal.pone.0131604

Table 1. Demographic information regarding participants in each group.

A allele G allele p value
Number 45 46 -
Age 22.71 ± 4.22 23.13 ± 4.63 0.653
Ethnicity 23 white, 3 Hispanic, 16 Asian, 1 African, 2 mixed race 22 white, 4 Hispanic, 16 Asian, 2 African, 2 mixed race -
Handedness 3 left handed, 42 right handed 2 left handed, 44 right handed -

Values for age show mean ± SD.