Table 2. Channeling within and Across Periods for the Top Predictors of Coronary Artery Disease.

Patient Characteristics	Period	Odds Ratio	95% CI	P-value for Trend
Age Over 50 Years	2001-2005	1.07	1.00-1.16
	Period 1	1.01	0.91-1.12	0.27
	Period 2	1.19	1.03-1.38
	Period 3	1.07	0.92-1.24
White Race	2001-2005	0.78	0.73-0.83
	Period 1	0.75	0.69-0.82	0.05
	Period 2	0.72	0.64-0.82
	Period 3	0.90	0.79-1.03
Prior Diabetes	2001-2005	0.72	0.65-0.81
	Period 1	0.70	0.60-0.82	0.36
	Period 2	0.73	0.59-0.91
	Period 3	0.79	0.63-0.98
Prior Hyperlipidemia	2001-2005	1.17	1.05-1.30
	Period 1	1.28	1.08-1.50	0.02
	Period 2	1.05	0.84-1.31
	Period 3	0.97	0.79-1.19
Prior Hypertension	2001-2005	0.88	0.82-0.95
	Period 1	0.95	0.85-1.06	0.05
	Period 2	0.82	0.70-0.95
	Period 3	0.81	0.69-0.95
Prior Heart Failure	2001-2005	0.73	0.56-0.94
	Period 1	0.62	0.43-0.88	0.15
	Period 2	0.82	0.48-1.41
	Period 3	0.94	0.57-1.54
Prior Peripheral Vascular Disease	2001-2005	1.32	1.05-1.66
	Period 1	1.56	1.14-2.15	0.11
	Period 2	1.12	0.68-1.82
	Period 3	1.10	0.68-1.78
Prior Pulmonary Disease	2001-2005	1.44	1.30-1.60
	Period 1	1.28	1.11-1.48	0.08
	Period 2	1.68	1.36-2.07
	Period 3	1.59	1.29-1.95

^* P-value is for the interaction between period and the named covariate.