Table 5.

Use of health services associated with a large-scale notification

			AOR for outpatient care, quarterly post notification
	AOR for next year	95% CI	1	2	3	4
Over age 65 years (n=20 210)
VA utilisation
Outpatient medicine	0.88	(0.625 to 1.229)	2.21**	0.32**	0.42**	0.27**
Emergency care	1.73**	(1.358 to 2.197)	2.67**	1.34	1.18	1.39
Urgent care	3.54**	(2.073 to 6.043)	NE	7.68**	3.92*	1.75
Outpatient surgery	0.75*	(0.574 to 0.983)	0.59*	0.71	0.72	0.74
Other outpatient care	1.46*	(1.068 to 2.002)	1.00	1.25	1.11	0.97
Inpatient care	0.86	(0.657 to 1.130)	–	–	–	–
Medicare utilisation
Outpatient medicine	1.37**	(1.118 to 1.675)	1.38**	1.44**	1.24	1.17
Emergency care	1.19	(0.935 to 1.509)	1.06	1.47*	1.33	1.02
Urgent care	0.49	(0.160 to 1.477)	NE	1.06	0.15	0.36
Outpatient surgery	2.05**	(1.229 to 3.418)	2.62	1.64	1.84	1.18
Other outpatient care	0.97	(0.750 to 1.259)	0.86	1.08	0.89	0.80
Any inpatient	1.14	(0.874 to 1.496)	–	–	–	–
Short stay	1.19	(0.901 to 1.570)	–	–	–	–
Long stay	0.69	(0.254 to 1.873)	–	–	–	–
Skilled Nursing	1.68	(0.941 to 3.010)	–	–	–	–
Under age 65 years (n=34 702)
VA utilisation
Outpatient medicine	1.85**	(1.534 to 2.234)	6.07**	0.79	0.83	0.64**
Emergency care	1.47**	(1.274 to 1.690)	1.54**	1.31*	1.30*	1.25*
Urgent care	5.38**	(3.776 to 7.671)	13.24**	12.30**	3.65**	4.19**
Outpatient surgery	0.85	(0.700 to 1.027)	0.67*	0.73*	0.80	0.95
Other outpatient care	2.02**	(1.626 to 2.516)	1.57**	1.27**	1.30**	1.28**
Inpatient care	1.00	(0.830 to 1.216)	–	–	–	–

These services exclude any visits that include HCV, HIV or HBV testing Current Procedural Terminology codes.

Models control for patient-level clustering.

*p<0.05, **p<0.01; Robust 95% CI in parentheses.

AOR, adjusted OR; HCV, hepatitis C virus; HBV, hepatitis B virus; NE, not estimable given low use of urgent care.