Parameter Estimate (95% CI) t value p
Intercept -1.164 (-1.561, -0.767) -5.74 <.0001
Maternal GRSBW 0.063 (0.041, 0.085) 5.69 <.0001
Female sex (vs male) -0.042 (-0.047, -0.036) -14.34 <.0001
Gestational age 0.419 (0.397, 0.441) 37.49 <.0001
Gestational age2 -0.005 (-0.005, -0.004) -30.14 <.0001