Table 5 Comparison of fitted models using the LR test

$\mathcal{G}\times \mathcal{ℳ}\mathcal{O}\mathcal{G}$

11.2963

0.0008

$\mathcal{W}\times \mathcal{ℳ}\mathcal{O}\mathcal{W}$

0.7638

0.3822

$\mathcal{E}\mathcal{P}\times \mathcal{ℳ}\mathcal{O}\mathcal{E}\mathcal{P}$

2.1959

0.1384

$\mathcal{F}\mathcal{W}\mathcal{E}\times \mathcal{ℳ}\mathcal{O}\mathcal{F}\mathcal{W}\mathcal{E}$

12.3659

0.0004