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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 3.

Descriptive Statistics for Non-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 0.33 (0.51) 1.12 0.23 4.87** 0.51 (0.06) 0.99 0.23 4.30*
90 Month Stroop Errors 12.43 (14.52) 3.74 0.25 14.96** 1.08 (0.28) 0.72 0.25 2.88*
90 Month Stroop Time 256.15 (52.31) 0.87 0.25 3.48** 2.40 (0.09) 0.34 0.25 1.36
114 Month Stroop Errors 9.51 (6.89) 1.63 0.26 6.27** 1.04 (0.23) −0.12 0.26 −0.46
114 Month Stroop Time 217.93 (42.80) 1.17 0.26 4.50** 2.33 (0.08) 0.59 0.26 2.27*
138 Month Stroop Errors 8.03 (6.15) 2.43 0.28 8.69** 0.99 (0.22) −0.06 0.28 −0.21
138 Month Stroop Time 187.74 (37.24) 1.01 0.28 3.61** 2.27 (0.08) 0.45 0.28 1.61
168 Month Aggression 6.46 (6.15) 1.46 0.38 3.82** 0.90 (0.26) 0.19 0.38 0.50
*

p < .05;

**

p < .01

T = Transformed