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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Brain Stimul. 2016 Mar 9;9(4):529–536. doi: 10.1016/j.brs.2016.03.004

Table 1.

Demographics of participants included for analyses.

All participants (N = 44) tDCS during 1st extinction block tDCS during 2nd extinction block
Age (in years) 27.34 (SD 8.18; range 18–50) 27.77 (SD 8.45) 26.72 (SD 7.97)
Sex (F:M ration) 21 F:23 M 10 F:16 M 11 F:7 M
Handedness (# R; L; A) 33; 4; 7 18; 2; 6 15; 2; 1
Ethnicity (#) 31 White/Caucasian; 6 African-American; 4 Hispanic; 2 Asian; 1 biracial. 19 White/Caucasian; 3 African-American; 2 Hispanic; 1 Asian; 1 biracial. 12 White/Caucasian; 3 African-American; 2 Hispanic; 1 Asian; 0 biracial.
Educational level (in years) 14.75 (2.32) 14.42 (SD 2.50) 15.22 (SD 2.02)