Table 2.

Results of the multinomial logistic model to quantify the association with production and environmental factors hypothesized to influence the C. rogercresseyi medium and high category in Chile during 2012–2016, compared to the baseline category as reference (year category: 2012, species: Atlantic salmon, and chemical ingredient: azamethiphos as reference values).

Medium category Abundance 2–4	Coefficient	Std. Errors	z-stat	P-value
(Intercept)	−18.100	0.590	−30.680	<0.001
2013	0.192	0.034	5.667	<0.001
2014	−0.516	0.037	−14.007	<0.001
2015	−0.395	0.037	−10.677	<0.001
2016	−0.428	0.040	−10.703	<0.001
BE	−0.400	0.103	−3.897	<0.001
CYP	−0.341	0.101	−3.367	<0.001
DEL	−0.658	0.092	−7.174	<0.001
DIL	−1.218	0.494	−2.469	0.014
NA	−0.417	0.080	−5.237	<0.001
Coho	−1.22E+01	6.10E-06	−2.01E+06	<0.001
Rainbow trout	0.263	0.027	9.663	<0.001
Temperature	−0.050	0.088	−0.571	0.568
Salinity	4.447	0.094	47.200	<0.001
Average weight	14.423	0.310	46.543	<0.001
Latitude	−0.041	0.007	−6.109	<0.001
High category Abundance >4	Coefficient	Std. Errors	z stat	P -value
(Intercept)	−30.555	0.899	−33.997	<0.001
2013	0.861	0.048	17.760	<0.001
2014	−0.520	0.058	−9.015	<0.001
2015	−0.917	0.063	−14.465	<0.001
2016	−0.748	0.065	−11.452	<0.001
BE	−0.547	0.136	−4.013	<0.001
CYP	0.044	0.125	0.350	0.726
DEL	−0.260	0.113	−2.294	0.022
DIL	−0.743	0.745	−0.997	0.319
NA	−0.261	0.094	−2.770	<0.001
Coho	−1.07E+01	1.64E-05	−6.54E+05	<0.001
Rainbow trout	0.295	0.041	7.156	<0.001
Temperature	1.155	0.130	8.863	<0.001
Salinity	5.386	0.154	34.957	<0.001
Average weight	21.153	0.441	47.986	<0.001
Latitude	−0.149	0.009	−16.113	<0.001

Coefficients, standard error, z-value, and significance probability are shown for each factor. Average weight, salinity, and temperature were log-transformed.