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Table 1 Sociodemographic variables of the sample; means (standard deviations in parentheses)

From: The effects of a DTNBP1 gene variant on attention networks: an fMRI study

Sample (n = 80) Risk group (n = 29) Non risk group (n = 51) Statistics p
Sex ratio (men/women) 22/7 32/19 χ2 = 1.45 n.s.
Age 22.6 (2.3) 23.6 (3.2) T = 1.57 n.s.
Education (years) 15.3 (2.2) 15.9 (2.8) T = 0.94 n.s.
Estimated IQ 113.8 (11.3) 111.0 (13.2) T = 0.93 n.s.
  1. IQ was estimated using the MWT-B (Lehrl, 2005);
  2. n.s. = non significant (p > .05);