Table 2.

Included covariate results for Model 1A.

			Percentiles
Covariate	Mean	SD	0.025	0.50	0.975
Intercept**	−1.515	0.279	−2.065	−1.513	−0.979
Maternal Race
Black vs. White**	0.149	0.067	0.018	0.149	0.280
Hispanic vs. White	−0.043	0.038	−0.117	−0.044	0.033
Other vs. White	0.086	0.070	−0.053	0.086	0.227
Paternal Race
Black vs. White	0.009	0.065	−0.118	0.010	0.135
Hispanic vs. White	−0.008	0.039	−0.084	−0.009	0.070
Other vs. White **	−0.190	0.073	−0.337	−0.189	−0.046
Maternal Age Group
20 – 24 vs. 10 – 19**	−0.068	0.033	−0.132	−0.069	−0.003
25 – 29 vs. 10 – 19	−0.021	0.036	−0.091	−0.021	0.052
30 – 34 vs. 10 – 19	0.044	0.041	−0.036	0.045	0.126
35 – 39 vs. 10 – 19**	0.127	0.052	0.026	0.127	0.229
⩾ 40 vs. 10 – 19**	0.308	0.090	0.128	0.309	0.478
Paternal Age ⩾ 50 vs. < 50	−0.044	0.128	−0.302	−0.041	0.204
Maternal Education
Basis Spline 1	−0.396	0.348	−1.053	−0.401	0.303
Basis Spline 2	0.185	0.172	−0.140	0.180	0.529
Basis Spline 3	0.022	0.204	−0.360	0.018	0.434
Paternal Education
Basis Spline 1	0.160	0.307	−0.429	0.153	0.786
Basis Spline 2	−0.003	0.150	−0.290	−0.005	0.296
Basis Spline 3	−0.055	0.177	−0.389	−0.059	0.305
Female vs. Male Baby**	−0.069	0.021	−0.110	−0.069	−0.027

The (**) items have 95% credible intervals which do not include zero. The MC error for the means ranged from 0.0005 to 0.0077 with an average value of 0.0027.