Table 2.

Generalized Ordered Logistic Regression Results of the Effects of Patient Characteristics on Use Group Over Time

Characteristic	Odds Ratio (95% Confidence Interval) P-Value
	Combined Medicare-Only and Dual-Use Group versus VA-Only Group	Medicare-Only Group vs. Combined Dual-Use and VA-Only Group
Predisposing factors
Age (reference 65–74)
75–84	1.28 (1.07–1.53) .006	1.28 (1.07–1.53) .006
≥85	1.35 (1.01–1.87) .06	1.35 (1.01–1.87) .06
White = 1	1.31 (1.05–1.64) .02	1.31 (1.05–1.64) .02
Married = 1	1.28 (1.00–1.68) .07	1.28 (1.00–1.68) .07
Years of schooling	1.04 (1.02–1.07) .001	1.04 (1.02–1.07) .001
Enabling factors
Private insurance = 1	2.93 (2.43–3.53) <.001	2.93 (2.43–3.53) <.001
Medicaid coverage = 1	1.32 (1.00–1.73) .046	1.32 (1.00–1.73) .046
Department of VA priority level = low	1.81 (1.30–2.53) <.001	5.04 (2.97–8.56) <.001
Distance to nearest VA Medical Center, miles (reference <10)
10–29	1.33 (1.07–1.66) .01	1.02 (0.98–1.03) .27
30–49	2.66 (2.07–3.42) <.001	0.92 (0.47–1.82) .82
≥50	3.19 (2.52–4.05) <.001	1.26 (0.71–2.22) .43
Need factors
Number of comorbidities	1.03 (1.01–1.05) .10	0.87 (0.81–0.94) <.001
Living in a nursing home = 1	1.94 (1.47–2.54) <.001	1.94 (1.47–2.54) <.001
Died = 1	2.37 (1.76–3.18) <.001	2.37 (1.76–3.18) <.001
Number of ADL limitations	1.17 (1.13–1.22) <.001	1.04 (0.94–1.14) .48
ADL limitation × year	0.97 (0.95–0.99) .01	1.05 (1.01–1.09) .02
Year (reference 1998)
1999	1.07 (0.93–1.22) .36	1.07 (0.93–1.22) .36
2000	1.04 (0.85–1.28) .70	1.04 (0.85–1.28) .70
2001	1.23 (0.93–1.63) .16	1.23 (0.93–1.63) .16

VA = Department of Veterans Affairs; ADL = activity of daily living.