Table 6. Parameter estimates for the linear-in-the-parameters model. R² = 0.706.

Parameter	Estimate	Std. Err.	t-value	Pr > |t|
b0	0.3273	0.0083	39.53	< .0001
b1	–0.0062	0.0003	–20.99	< .0001
b2	–0.0034	0.0008	–4.04	< .0001
b3	0.0002	0.0000	5.61	< .0001