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Table 1 Multivariable logistic regression estimates of odds ratios of different months having MFD, including herd as a random effect

From: The prevalence, temporal and spatial trends in bulk tank equivalent milk fat depression in Irish milk recorded herds

Month Odds Ratio z p value 95% Conf Interval
 Jan 2.24 0.31 0.00 1.70 2.93
 Feb 3.04 0.4 0.00 2.36 3.93
 Mar 5.18 0.62 0.00 4.09 6.56
 Apr 23.43 2.66 0.00 18.75 29.27
 May 27.01 3.06 0.00 21.63 33.73
 Jun 12.39 1.43 0.00 9.88 15.53
 Jul 8.38 0.98 0.00 6.66 10.53
 Aug 5.55 0.66 0.00 4.39 7.00
 Sep 2.75 0.35 0.00 2.14 3.53
 Oct 1.27 0.18 0.09 0.96 1.67
 Nov Reference     
 Dec 1.86 0.27 0.00 1.40 2.47
Year      
 2004 Reference     
 2005 0.73 0.38 0.00 0.66 0.81
 2006 0.77 0.04 0.00 0.69 0.86
 2007 0.79 0.04 0.00 0.71 0.88
 2008 0.57 0.03 0.00 0.51 0.64
 2009 0.54 0.03 0.00 0.48 0.61
 2010 0.62 0.04 0.00 0.55 0.7
 2011 0.54 0.03 0.00 0.47 0.61
 2012 0.29 0.02 0.00 0.25 0.33
 2013 0.2 0.02 0.00 0.17 0.24
 2014 0.37 0.03 0.00 0.32 0.42