Table 2.

Fixed effects from M3, the random intercept, random slope model without the interaction of trial and site explaining variation in individual FID response to multiple flushes

Variable	Estimate (SE)	t	P
(Intercept)	0.697	1.914	0.057
Observer
A	−0.155	−4.178	<0.001
B	−0.008	−0.220	0.826
Site
Medium	0.035	1.055	0.294
Low	−0.068	−1.632	0.106
logSD	0.590	4.210	<0.001
Trial	−0.006	−0.525	0.601

Significant effects are in bold.