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Table 2 Comparison of cohort characteristics for HC and AUD groups- p -values from Mann Whitney U-test

From: The BDNFp.Val66Met polymorphism, childhood trauma, and brain volumes in adolescents with alcohol abuse

  HC AUD HC vs AUD
  Females vs males Females vs males Females Males Total
Age (years) 0.949 0.581 0.589 0.401 0.313
d 0.162 0.388 0.254 0.535 0.159
Education (years) 0.132 0.646 0.517 0.192 0.751
0.689 0.729 0.706 0.671 0.577
% Afrikaans-speakingc 0.151 0.257 1.000 0.769 0.864
  0.366 0.438 0.306 0.221
Alcohol life dose units 0.385 0.503 <0.001 <0.001 <0.001
0.538 0.881 <0.001 <0.001 <0.001
CTQ-Physical Abuse 0.561 0.023 0.983 0.018 0.116
0.807 0.008 0.678 0.008 0.031
CTQ-Sexual abuse 0.455 0.018 0.398 0.001 0.004
0.729 0.036 0.615 0.011 0.030
CTQ-Emotional Abuse 0.806 0.640 0.025 0.074 0.004
0.967 0.950 0.034 0.063 0.005
CTQ-Physical Neglect 0.199 0.984 0.014 0.605 0.032
0.084 0.658 0.025 0.747 0.074
CTQ-Emotional Neglect 0.109 0.984 0.128 0.686 0.410
0.072 0.747 0.226 0.289 0.881
CTQ-total score 0.384 0.443 0.048 0.162 0.023
0.203 0.362 0.080 0.268 0.062
  1. cPearson chi-squared test (d.f. =1).dImaging cohort values are indicated in italics.