Variable;Estimate;Odds ratio;Standard Error;95% CI (Lower CI);95% CI (Upper CI);P-value Intercept;-5.81;0;0.27;-6.34;-5.28;<0.001 Year of calving;;;;;; 2015;Referent;;;;; 2016;0.05;1.05;0.14;-0.22;0.32;0.735 2017;-0.19;0.83;0.15;-0.48;0.1;0.199 2018;-0.42;0.66;0.15;-0.71;-0.12;0.006 2019;-0.2;0.82;0.14;-0.48;0.08;0.157 2020;-0.34;0.71;0.15;-0.63;-0.06;0.018 Farm;;;;;; 2;Referent;;;;; 1;0.16;1.18;0.09;-0.01;0.34;0.06 Season (defined as Spring from 1st of March to 31st of May, Summer from 1st of June to 31st of August, Autumn from 1st of September to 30th of November and Winter from 1st of December to 28th of February);;;;;; Spring;Referent;;;;; Summer;-0.25;0.78;0.12;-0.48;-0.02;0.03 Autumn;-0.55;0.58;0.11;-0.77;-0.33;<0.001 Winter;-0.6;0.55;0.11;-0.82;-0.39;<0.001 Parity;;;;;; Lactation 2;Referent;;;;; Lactation 3;1.24;3.45;0.23;0.79;1.69;<0.001 Lactation 4+;3.2;24.52;0.2;2.81;3.58;<0.001 Days in the close-up group;0.03;1.03;0.01;0.02;0.04;<0.001