TABLE 2.

Adjusted ORs for NH Characteristics Associated With the Share of MA Patients^a

	Percentage of MA Patients in the NH
	“High” vs “Zero” to “Low”				“High” vs “Zero” (drop “Low”)
Variables	OR			95%CI	OR		95%CI
Facility structural characteristics
Total beds in facility		1.003***	1.002–1.004		1.020***	1.016–1.024
Part of a chain		1.244***	1.120–1.382		1.885***	1.524–2.333
Run for profit		1.015	0.901–1.144		1.523***	1.188–1.951
Staffing levels
Any physician extender FTEs		1.379***	1.249–1.523		1.885***	1.517–2.342
Total RN hours/day/patient		1.212***	1.095–1.343		1.203**	1.010–1.434
Total LPN hours/day/patient		1.418***	1.258–1.598		1.184**	0.975–1.439
Total CNA hours/day/patient		0.726***	0.662–0.796		0.642***	0.548–0.752
Facility quality indicators
% physically restrained		0.991*	0.980–1.001		0.977***	0.961–0.993
% receiving antipsychotics		0.985***	0.980–0.991		0.983***	0.973–0.993
Facility 30-day rehospitalization rate		0.951***	0.942–0.960		0.015***	0.003–0.088
Patient demographics
Average age		1.043***	1.031–1.056		1.076***	1.054–1.098
% female		1.013***	1.007–1.019		1.012**	1.000–1.023
% black		1.006***	1.002–1.010		1.003	0.995–1.011
% Hispanic		0.993***	0.987–0.998		0.976***	0.959–0.993
Patient case mix
Baseline ADL score (0–28)		0.981	0.957–1.006		1.045*	0.999–1.093
% severe cognitive impairment (cognitive performance score of 5 or 6)		1.001	0.996–1.006		0.998	0.988–1.009
% Medicaid		0.999	0.996–1.002		0.991***	0.986–0.996
% admitted from hospital		1.014***	1.009–1.018		1.014***	1.007–1.022
Geographic characteristics
Region, West (ref, Northeast)		2.772***	2.341–3.282		3.076***	2.120–4.463
Region, Midwest (ref, Northeast)		1.341***	1.167–1.541		2.305***	1.673–3.175
Region, South (ref, Northeast)		0.593***	0.503–0.699		1.12	0.760–1.652
Medicare managed care penetration		1.114***	1.108–1.120		1.183***	1.164–1.203
Herfindahl index		0.491***	0.351–0.688		0.370***	0.191–0.719
Urban		0.837**	0.717–0.977		0.941	0.674–1.315
Observations		15,353			4219

ADL indicates activities of daily living; CNA, certified nursing assistant; FTE, full-time equivalent; LPN, licensed practical nurse; MA, Medicare Advantage; NH, nursing home; OR, odds ratio; ref, reference; RN, registered nurse.

^*P <.10;

^**P <.05;

^***P <.01.

^aDetails of the variables are described in the Methods section. “High” indicates NHs with 25% or more MA patients. “Low” indicates NHs with between 1% and 24% MA patients. “Zero” indicates NHs with no MA patients.