Variable;Estimate;Odds ratio;Standard Error;95% CI (Lower CI);95% CI (Upper CI);P-value Intercept;-1.503;0.222;0.216;-1.926;-1.08;<0.001 Year of calving;;;;;; 2015;Referent;;;;; 2016;0.605;1.831;0.098;0.412;0.797;<0.001 2017;0.241;1.273;0.107;0.032;0.451;0.024 2018;0.242;1.274;0.117;0.013;0.471;0.038 2019;0.523;1.688;0.118;0.293;0.754;<0.001 2020;0.233;1.263;0.118;0.002;0.464;0.048 Farm;;;;;; 2;Referent;;;;; 1;-0.372;0.689;0.07;-0.51;-0.235;<0.001 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;0.254;1.289;0.084;0.089;0.419;0.003 Autumn;0.109;1.115;0.08;-0.048;0.265;0.174 Winter;0.043;1.044;0.081;-0.114;0.201;0.589 Parity;;;;;; Lactation 2;Referent;;;;; Lactation 3;0.251;1.285;0.073;0.107;0.395;0.001 Lactation 4+;0.438;1.55;0.068;0.305;0.572;<0.001 Calving ease (defined as 0 = not observed, 1 = unassisted calving, 2 = calving assisted by 1 person, and 3 = calving assisted by more than 1 person);;;;;; 0;Referent;;;;; 1;-0.571;0.565;0.096;-0.759;-0.382;<0.001 2;-0.398;0.671;0.108;-0.611;-0.186;<0.001 3;-0.038;0.962;0.111;-0.257;0.18;0.731 Stillbirth;;;;;; no;Referent;;;;; yes;0.756;2.13;0.132;0.497;1.015;<0.001 Sex;;;;;; Female;Referent;;;;; Male;0.154;1.167;0.061;0.034;0.274;<0.001 Days in the close-up group;-0.124;0.883;0.018;-0.16;-0.088;<0.001 Days in the close-up group*Days in the close-up group;0.002;1.002;0.001;0.002;0.003;<0.001