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Table 3 Final growth model of group predicting growth trajectories for fine motor skills (age centered at 6 months; N = 170)

From: Development of fine motor skills is associated with expressive language outcomes in infants at high and low risk for autism spectrum disorder

  Coefficient SE
Intercept 8.38*** 0.19
Linear growth 17.71*** 0.44
Quadratic growth −4.38*** 0.27
HRA+ 0.08 0.34
HRA− 0.58* 0.26
Linear × HRA+ −0.83* 0.39
Linear × HRA− −0.51 0.30
Variance components
 Goodness of fit (− 2 Log Likelihood) − 1226.94  
 Variance in intercept 0.27  
 Variance in growth rate 1.70  
 Variance in acceleration 1.72  
  1. ***p < .001, *p < .05