Table 4. Estimated regression parameters, standard errors, z values, and P-values for the negative binomial generalized linear mixed-effects model (GLMM) presented in Eq. (1).

The estimated value of σ_StudyDay is 0.368.

	Estimate	Std. error	z value	P-value
Intercept	3.456	0.098	35.120	<0.001
Sinker	0.461	0.074	6.220	<0.001
Mesh	0.253	0.075	3.370	0.001
Assist	0.593	0.074	8.030	<0.001
String	0.029	0.075	0.380	0.705
FoxB	−0.323	0.066	−4.920	<0.001
FoxC	−0.568	0.067	−8.530	<0.001
NorthA	−0.527	0.173	−3.050	0.002
NorthB	−0.379	0.169	−2.240	0.025
NorthC	−0.333	0.169	−1.970	0.048