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. 2018 Feb 8;13(2):e0192182. doi: 10.1371/journal.pone.0192182

Table 5. Multivariate model of risk factors for CCD in dogs ≤96 months of age (n = 1996 dogs).

Variable Sub-category Coefficient SE z p
Intercept - -1.93 1.30 -1.49 0.137
Age (years) - -0.21 0.25 -0.84 0.399
Idiopathic epilepsy Affected 7.57 2.68 2.83 0.005
Control Reference
Age (years) * Idiopathic epilepsy - 0.83 0.42 -1.95 0.050

N.B. “*” indicates an interaction term between two variables