Models
Fixed Effect/Random Effect Estimate (β coefficient) Standard error
p-value
Model 1
Fixed effect= period of gestation (days) Random effect= Participant Id
-1.0639
0.1347
<0.0001
Model 2
a)Fixed effect= period of gestation(days) b) Fixed effect=Group (SGA/AGA) Random effect= Participant Id -1.0760 -0.1028 0.1365 0.1796 <0.0001 0.5701
Comparison of Model 1 with Model 2 Comparison of Model 1 with Model 2 Comparison of Model 1 with Model 2 Comparison of Model 1 with Model 2 0.5677