Table 5.

Estimated regression coefficients for the uncompleted cube regression model.

		E. coli			S. aureus
Term	Coefficient	Estimation	t-ratio	p value	Estimation	t-ratio	p value
EPEO	δ 1	2.02	10.99	0.0001∗	0.24	9.40	0.0002∗
OMEO	δ 2	5.92	32.29	<0.0001∗	0.50	19.56	<0.0001∗
LBEO	δ 3	0.97	5.29	0.0032∗	0.24	9.40	0.0002∗
EPEO∗ OMEO	δ 12	−8.12	−8.79	0.0003∗	−0.51	−3.93	0.0111∗
EPEO ∗ LBEO	δ 13	1.97	2.13	0.086	−0.03	−0.25	0.8158
OMEO ∗ LBEO	δ 23	−6.21	−6.72	0.0011∗	−0.51	−3.93	0.0111∗
EPEO ∗ OMEO ∗ LBEO	δ 123	−32.04	−6.38	0.0014∗	−2.70	−3.83	0.0123∗

^∗ Statistically significant at p < 0.05.