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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: Int J Health Care Finance Econ. 2014 Mar;14(1):1–18. doi: 10.1007/s10754-013-9136-3

Table 7.

Specification checks (N = 278,848 unless otherwise noted)

Hospitalized within 90 days Hospitalized within 180 days
Base line model −0.0309*** (−3.269) −0.0485*** (−4.107)
Excluded hospital based nursing homes (N = 271,904) −0.0272*** (−2.871) −0.0439*** (−3.717)
Urban NHs only (N = 210,981) −0.0464*** (−3.182) −0.0723*** (−3.866)
Rural NHs only (N = 67,867) −0.0183 (−1.564) −0.0319** (−2.160)
Include health referral region fixed effects −0.0278*** (−2.759) −0.0443*** (−3.492)
Include government facilities (N = 296,249) −0.0290*** (−2.989) −0.0439*** (−3.604)
Binary DD measure (above/below) median −0.0285*** (−3.117) −0.0508*** (−4.375)
Logged values of DD measure −0.0371*** (−4.764) −0.0605*** (−6.181)
Exclude NHs in same zip code as resident prior address (N = 196,309) −0.0543*** (−2.922) −0.0690*** (−2.828)
Supply of NH beds included in the model (N = 267,934) −0.0340*** (−3.282) −0.0542*** (−4.154)

Results are presented as marginal effects. Full multinomial results available upon request. Models include all the covariates reported in Table 1 and state fixed effects unless otherwise noted. Robust t-statistics clustered at the zip code-level are reported in parentheses. DD Differential distance, NH nursing home