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. Author manuscript; available in PMC: 2011 May 11.
Published in final edited form as: Int J Behav Dev. 2011 Mar;35(2):136–143. doi: 10.1177/0165025410375922

Table 2.

Growth Models for Toddler Distress by Group

Fixed Effect Toddler Distress First
Toddler Distress After Maternal Behavior
Estimate (SE) t-test 95% CI Estimate (SE) t-test 95% CI
Intercept (β) 0.537 (0.061) 8.82*** 0.41, 0.66 0.460 (0.053) 8.61*** 0.35, 0.57
Time (β) −0.004 (0.001) −6.33*** −0.01, −0.00 −0.004 (0.001) −5.67*** −0.005, −0.002
Toddler Initial Reaction (γ) 0.487 (0.080) 6.09*** 0.33, 0.65 0.278 (0.089) 3.13** 0.10, 0.46
Proportion of epochs with protection (γ) −0.021 (0.217) −0.10 −0.46, 0.42 0.263 (0.152) 1.73 −0.048, 0.574
Intensity of first protective behavior (γ) 0.140 (0.089) 1.57 −0.04, 0.32 −0.043 (0.069) −0.62 −0.18, 0.10
Time X Reaction (β) −0.002 (0.001) −1.68 −0.003, 0.003 −0.003 (0.001) −3.11** −0.005, −0.001
Time X Proportion (β) 0.002 (0.003) 0.78 −0.003, 0.012 −0.002 (0.002) −1.02 −0.006, 0.002
Time X Intensity (β) −0.001 (0.001) −0.91 −0.003, 0.001 −0.000 (0.001) 0.47 −0.001, 0.002
Reaction X Proportion (γ) −0.004 (0.215) −0.02 −0.44, 0.43
Reaction X Intensity (γ) 0.124 (0.088) 1.41 −0.05, 0.30
Time X Reaction X Proportion (β) 0.006 (0.003) 2.27* 0.001, 0.011
Time X Reaction X Intensity (β) −0.000 (0.001) −0.25 −0.002, 0.002


Random Effect Estimate SE Wald Z Estimate SE Wald Z

Time 0.120 0.029 4.21*** 0.070 0.019 3.62***
Residual 0.115 0.003 43.83*** 0.104 0.003 38.48***

Note. All variables except time were centered at their means prior to analyses. Models with highest-order significant effects are shown.

*

p < .05,

**

p < .01,

***

p < .001