Table 5.

Mixed effects logistic regression analysis

Model involving alert type only
Analysis of maximum likelihood estimates
Parameter	DF	Estimate	SE	z-Value	Pr>z
Intercept	1	−0.079	0.216	−0.37	0.717
Modal alert	1	2.448	0.317	7.73	<0.0001
Non-modal alert	1	1.158	0.247	4.69	0.0006

OR estimates
	Point estimate	95% Wald CIs
Modal alert	11.561	6.003	22.262
Non-modal alert	3.182	1.910	5.303

Model involving alert type, gender and age
Analysis of maximum likelihood estimates
Parameter	DF	Estimate	SE	z-Value	Pr>z
Modal alert	1	2.259	0.329	6.875	<0.0001
Non-modal alert	1	1.164	0.266	4.381	<0.0001
Gender	1	0.139	0.409	0.339	0.734
Age	1	−0.041	0.039	−1.050	0.294