Table 3.

Likelihood of Adopting Various PT/OT Therapy Arrangements: Longitudinal Multinomial Logistic Regression Model Results

	All Staff (vs. All Contract)				Mixed (vs. All Contract)				No PT/OT (vs. All Contract)
Independent/Control Variables	β	SEa	P	OR	β	SEa	P	OR	β	SEa	P	OR
Independent:
1. High percent of Medicare residents (>12%)	0.448***	0.033	0.000	1.565	0.448***	0.042	0.000	1.565	−0.761***	0.067	0.000	0.467
2. High fluctuation of annual Medicare admissions (±5)	0.218***	0.032	0.000	1.244	0.202***	0.041	0.000	1.224	−0.513***	0.061	0.000	0.599
3. Case-mix complexity:
High rehab intensity	0.248***	0.051	0.000	1.281	0.236***	0.058	0.000	1.266	0.007	0.076	0.924	1.007
IV therapy available	0.176***	0.030	0.000	1.192	0.122**	0.039	0.002	1.130	−0.197***	0.049	0.000	0.821
Tracheotomy care available	0.113***	0.031	0.000	1.120	0.121**	0.038	0.002	1.129	−0.263***	0.049	0.000	0.769
4. Physician-extender available	0.142***	0.037	0.000	1.153	0.115*	0.051	0.023	1.122	−0.316***	0.066	0.000	0.729
5. Post-PPS (current survey date after 7/1/98)	0.367***	0.064	0.000	1.443	0.404***	0.081	0.000	1.498	0.236**	0.077	0.002	1.266
6. Facility is run for-profit	0.255***	0.048	0.000	1.290	0.090	0.051	0.078	1.094	0.176***	0.050	0.000	1.192
7. Facility is part of a chain	0.550***	0.039	0.000	1.733	0.348***	0.042	0.000	1.416	−0.359***	0.042	0.000	0.698
Interaction: Post-PPS * Profit	−0.189**	0.060	0.002	0.828	−0.258**	0.081	0.002	0.773	0.073	0.074	0.324	1.076
Interaction: Post-PPS * Chain	−0.161**	0.055	0.003	0.851	−0.791***	0.077	0.000	0.453	0.064	0.066	0.329	1.066
Control:
Calendar time (years 1/1/1992–current survey)	0.094***	0.010	0.000	1.099	−0.044***	0.012	0.000	0.957	−0.038***	0.012	0.001	0.963
Outcome at previous survey (Ref.: All contract):
All staff	3.300***	0.037	0.000	27.113	2.358***	0.046	0.000	10.570	0.791***	0.071	0.000	2.206
Mixed	2.568***	0.044	0.000	13.040	3.853***	0.048	0.000	47.134	−0.086	0.133	0.517	0.918
None PT/OT	0.500***	0.063	0.000	1.649	−0.256*	0.117	0.028	0.774	2.709***	0.044	0.000	15.014
Bed size (centered at 118, step 10)	0.025***	0.002	0.000	1.025	0.029***	0.003	0.000	1.029	−0.064***	0.005	0.000	0.938
Occupancy rate (centered  at 88%, step 5%)	0.006	0.005	0.267	1.006	0.009	0.007	0.193	1.009	−0.007	0.006	0.290	0.993
Percent private pay  (centered at 26%, step 5%)	0.019***	0.003	0.000	1.019	0.014**	0.004	0.002	1.014	−0.029***	0.004	0.000	0.971
Late Medicare/Medicaid  adopter (after 1995)	0.211*	0.092	0.021	1.235	0.186	0.132	0.159	1.204	−0.456**	0.170	0.007	0.634
Environment/Market:
County unemployment rate  (centered at 4%)	−0.049***	0.008	0.000	0.952	0.025***	0.008	0.001	1.025	0.011	0.008	0.196	1.011
1990 county percent pop.  aged 75+ (centered at 5%)	0.027***	0.007	0.000	1.027	0.009	0.009	0.344	1.009	−0.026*	0.011	0.023	0.974
Intercept	−3.697***	0.067	0.000	—	−3.395***	0.072	0.000	—	−2.414***	0.073	0.000	—
Model LR χ2/DF/N					44878.344/63/67524

^*p<.05

^**p<.01

^***p<.001.

^aStandard errors adjusted for clustering within facility.