Reliability of environmental sampling culture results using the negative binomial intraclass correlation coefficient

SpringerPlus

Table 3 Parameter estimates from a negative binomial generalized linear mixed model for culture results from a study on the reliability of an environmental sampling protocol and the Intraclass Correlation Coefficient (ICC) for similarity in samples collected by two veterinarians on the same day and from the same pen

^arandom effect for dairy i, i = 1, 2, 3, 4.
^brandom effect for pen j, where for i = 1, j = 1,…,8, for i = 2, j = 1,…,11, for i = 3, j = 1,…,7 and for i = 4, j = 1,…,4.
^crandom effect for day k of sample collection, where k = 1,2,3.
^drandom effect for collector l, where l = 1, 2 and day k; k = 1, 2, 3.