Table 5.

Model of coefficients.

	b0	b1	b2	b3	b12	b13	b23	b123
kR	12.14	−7.62	−4.28	−0.87	2.35	0.51	0.052	0.24
SymIRB	1.23	−0.006	0.19	0.036	−0.074	0.044	0.024	0.031
SymHCT	1.32	−0.032	0	−0.068	0.02	0.078	0	−0.015
RtIRB	6.28	−3.18	−1.54	−1.04	1.17	0.86	0.28	−0.22
RtHCT	2.49	−0.18	0.016	−0.11	−0.011	0.058	−0.007	0.0046