Table 2.

Logistic regression model^a

Effect	Model fitting criteria, −2 log likelihood of reduced model	Likelihood ratio tests
		χ2	d.f.	P
Month of admission	620.671	8.288	3	0.040
Age group	612.902	0.519	2	0.771
Gender	618.037	5.654	1	0.017
Mental Health Act status	619.592	7.210	3	0.066
Primary mental health diagnosis	639.302	26.919	9	0.001
Length of stay	640.401	28.018	6	<0.001

a. Year of admission is the dependant variable and the six variables detailed in the row headings are the predictors.