Table 5.

The results of fitted regression models with the considered criteria.

	Beta			Kw			LEEG			QASHW
Parameters	Estimate	SE	p-Value	Estimate	SE	p-Value	Estimate	SE	p-Value	Estimate	SE	p-Value
${\delta }_0$	3.4354	2.4048	0.1531	6.9321	4.2948	0.1065	1.0516	3.5265	0.7656	3.8843	1.9562	0.0471
${\delta }_1$	−0.0003	0.0049	0.9482	−0.0054	0.0072	0.4504	0.0088	0.0072	0.2219	0.0006	0.0043	0.8858
${\delta }_2$	−2.5946	1.4085	0.0655	−3.2836	1.9815	0.0975	−5.1747	1.9184	0.0070	−3.7594	1.3076	0.0040
${\delta }_3$	2.6277	1.2799	0.0401	1.5631	1.3811	0.25787	3.5001	1.8891	0.0639	3.2190	1.1611	0.0055
β	18.2200	4.2340	<0.0001	9.6263	1.6283	<0.0001	11.8175	2.5005	<0.0001	3.7775	0.4919	<0.0001
$\hat{\ell }$	43.3294			40.4710			41.3005			46.2727
AIC	−76.6588			−70.9420			−72.6010			−82.5455
BIC	−68.6042			−62.8874			−64.5464			−74.4909