TABLE 4

Latent Growth Curve Models of CBCL Scores by Cumulative Risk and Protective Indices (Models 2 and 3)

VariableExternalizingInternalizingTotalAttention
Intercept (B)Slope (B)Intercept (B)Slope (B)Intercept (B)Slope (B)Intercept (B)Slope (B)
Model 2
 Prenatal drug exposure
  High PCE/OD2.52*0.020.410.194.450.400.510.06
  Some PCE/OD0.53−0.14−0.380.020.16−0.310.43−0.13
  PCE−/OD+0.960.050.170.20*1.900.530.230.06
  PCE−/OD−REFREFREFREFREFREFREFREF
 Cumulative risk index2.14***−0.081.20***−0.035.28***−0.030.76***0.03
 Cumulative protective index−0.88***−0.10−0.55**−0.13**−2.34***−0.43**−0.38***−0.06*
Model 3
 Prenatal drug exposure
  High PCE/OD3.69***−0.061.090.167.33**0.290.91*0.08
  Some PCE/OD1.71*−0.230.30−0.013.10−0.410.85**−0.12
  PCE−/OD+1.92**−0.010.720.184.27**0.450.56*0.07
  PCE−/OD−REFREFREFREFREFREFREFREF
 Risk/protective indices
  High risk, low protective7.24***0.184.22***0.2518.29***1.25**2.73***0.23**
  High risk, high protective5.54***−0.152.77**−0.0513.92***−0.042.17***0.07
  Low risk, low protective1.92**0.271.08**0.29**5.25***1.00**0.90***0.12
  Low risk, high protectiveREFREFREFREFREFREFREFREF
  • Note: *P < .05, **P < .01, ***P < .001. REF, reference category.