Table 3

Parameter estimates and p values of likelihood ratio test statistics for fitting univariate regression models

Variable	β coefficient	p^*
RPF_D	−1.85	0.076
LT_D	−2.51	0.113
RO_D	2.80	0.008
RPF_T	−1.20	0.185
RT_T	−3.58	0.079
RO_T	1.23	0.041

↵* Significance was set at p < 0.25.