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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: Pediatrics. 2009 Oct 12;124(5):1355–1362. doi: 10.1542/peds.2008-2898

Table 3.

Summary of Structural Equation Models Predicting Child Behavior at Age 7 With Prenatal Drug Exposure (N = 840, 360 cocaine exposed and 480 comparison)

Path Coefficients in Each Model
Final Outcome Variables
Caregiver Report Teacher Report Caregiver and Parent Report

Paths in the Model Externalizing Internalizing Total Externalizing Internalizing Total Externalizing Internalizing Total
Drug →7yr CBCL 0.21 n.s. 0.16 n.s. n.s. 0.11 0.34 n.s. 0.16
Drug →3yr CBCL n.s. 0.11 n.s. 0.14 n.s. n.s. 0.12 n.s. 0.11
Drug → 7yr SES −0.20 −0.21 −0.20 −0.22 −0.20 −0.20 −0.21 −0.21 −0.21

7yr SES →7y CBCL −0.09 −0.07 −0.10 −0.14 −0.16 −0.14 −0.16 −0.23 −0.16
Drug → NNNS 0.16 0.15 0.16 0.16 0.16 0.16 0.16 0.16 0.16
NNNS → IBQ 0.21 0.17 0.22 0.20 0.18 0.23 0.19 0.19 0.20
IBQ→3yr CBCL 0.27 0.25 0.29 0.28 0.27 0.31 0.29 0.27 0.28

Total Variance Explained in the Final Outcome Variables
R Square .31 .18 .32 .07 .03 .22 .35 .60 .52

Goodness of Fit Statistics
CFI 0.971 0.968 0.972 0.971 0.968 0.975 0.976 0.956 0.975
TLI 0.963 0.959 0.963 0.962 0.957 0.966 0.971 0.944 0.968
P value .001 .001 .001 .002 .001 .005 .006 .000 .004
χ2/df 2.04 2.07 2.04 1.94 2.02 1.83 1.73 2.22 1.80
RMSEA 0.035 0.036 0.035 0.033 0.035 0.031 0.030 0.038 0.031

Note: All path coefficients are significant (p < .05) unless otherwise indicated as nonsignficant (n.s.). Nonsignificant paths were removed from the final models.