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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Surgery. 2016 Jan 28;159(5):1461–1468. doi: 10.1016/j.surg.2015.12.012

Appendix.

Predictors of hospital-skilled nursing facility (SNF) referral as determined by a conditional (fixed effects) logit model.

VARIABLES (1)
Coefficient (SE)
P-values (2)
Marginal effect (%)
Distance: home to SNF −0.106
(0.000344)
<0.001 −0.1734
Distance: hospital to SNF −0.0712
(0.000326)
<0.001 −0.1186
Total number of beds −0.000884
(0.000106)
<0.001 −0.0015
% paid by Medicaid −0.0248
(0.000133)
<0.001 −0.0418
Multi-facility SNF 0.0401
(0.00676)
<0.001 0.0683
For profit 0.130
(0.00755)
<0.001 0.2188
Any MD extender 0.0404
(0.00678)
<0.001 0.0689
Hospital's own SNF 1.907
(0.0237)
<0.001 6.0824
Hospital-based SNF −0.396
(0.0183)
<0.001 −0.5953
Average deficiency score −0.00195
(5.96e-05)
<0.001 −0.0033
Total no. of FTE RN 0.0256
(0.000382)
<0.001 0.0438
Total no. of FTE LPN 0.0163
(0.000437)
<0.001 0.0278
Total no. of FTE CNA 0.00227
(0.000241)
<0.001 0.0039
Observations 8,519,910

Note: Marginal effects are calculated as percentage change in likelihood of being discharged to an skilled nursing facility in response to a one unit of change in corresponding characteristics23. FTE – full time equivalent; RN – registered nurse; LPN – licensed practical nurse; CNA – certified nursing assistant; MD extender – nurse practitioner, physician assistant.