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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Neurotoxicol Teratol. 2011 Jan–Feb;33(1):47–60. doi: 10.1016/j.ntt.2010.08.002

Table 4.

Descriptive Statistics for Cocaine Exposed Participants for all Variables used in Multiple Group LGM Analyses

Variable Mean (SD) Skew S.E. of Skew z T. Mean (SD) T. Skew T. S.E. of Skew z
Risk 0.77 (.74) 0.48 0.20 2.45* 0.57 (0.08) 0.23 0.20 1.15
90 Month Stroop Errors 15.84 (17.28) 2.90 0.23 12.61** 1.16 (0.30) 0.39 0.23 1.70
90 Month Stroop Time 255.79 (52.30) 0.55 0.23 2.39* 2.40 (0.09) 0.16 0.23 0.70
114 Month Stroop Errors 12.16 (13.50) 3.80 0.21 18.10** 1.08 (0.28) 0.41 0.21 1.95
114 Month Stroop Time 227.82 (44.68) 1.06 0.21 5.05** 2.35 (0.08) 0.51 0.21 2.43*
138 Month Stroop Errors 9.02 (7.86) 3.18 0.21 15.14** 1.01 (0.23) 0.26 0.21 1.24
138 Month Stroop Time 196.98 (34.20) 0.82 0.21 3.91** 2.29 (0.07) 0.31 0.21 1.48
168 Month Aggression 6.93 (6.31) 1.37 0.29 4.72** 0.91 (0.28) −0.07 0.29 0.24
*

p < .05;

**

p < .01

T = Transformed