Table 3.

Fitted results for two examples

	Model 1			Model 2			Model 3
	Est.	SE	P value	Est.	SE	P value	Est.	SE	P value
Example 1
se
α0	1.07	0.14	< 0.0001	2.80	0.70	0.0016	− 2.69	0.59	0.005
α1	− 0.71	0.24	0.0131	− 3.63	1.25	0.0121	3.05	1.05	0.0125
sp
α0	0.92	0.27	0.0048	1.90	1.24	0.1500	− 1.90	0.98	0.0739
α1	− 0.55	0.48	0.2698	− 2.44	2.20	0.286	1.95	1.73	0.2804
Example 2
se
α0	0.68	0.10	< .0001	0.81	1.22	0.5290	− 1.01	1.18	0.4110
α1	0.45	0.24	0.0846	4.03	2.32	0.0830	− 3.72	2.38	0.0970
sp
α0	0.65	0.05	< .0001	− 0.79	0.63	0.2309	0.59	0.60	0.3446
α1	0.48	0.12	0.0024	7.13	1.42	0.0005	− 6.84	1.37	0.0005

Est., estimated regression coefficient; SE, standard error for the estimated parameter; P value, corresponding p value for testing whether the parameter is different from zero.