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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: J Health Econ. 2012 Sep 14;32(1):12–21. doi: 10.1016/j.jhealeco.2012.08.007

Table 6.

Specification checks (N=874,143 unless otherwise noted)

Hospitalized within 30 days Mobility improved Pain improved ADL functioning improved
Baseline model −0.0174** (2.293) 0.0283** (2.331) 0.0147*** (2.654) 0.0380*** (2.838)
Exclude Hospital-based NHs (N=707,737) −0.0172** (2.152) 0.0209 (1.521) 0.00901 (1.44) 0.0295** (2.001)
Urban NHs only (N=722,466) −0.0247** (2.277) 0.0341** (1.975) 0.0206** (2.555) 0.0401** (2.144)
Rural NHs only (N=151,677) −0.0137 (1.386) 0.0111 (0.699) 0.00354 (0.463) 0.0168 (0.951)
Most competitive markets (N=448,514) −0.0534*** (3.55) 0.0816*** (3.09) 0.0052 (0.47) 0.0772*** (2.75)
Include health referral region fixed effects −0.0194** (2.428) 0.0151 (1.248) 0.00355 (0.61) 0.0251* (1.88)
Supply of NH beds included in the model (N=855,612) −0.0248*** (3.118) 0.0318** (2.397) 0.0165*** (2.771) 0.0437*** (3.022)
Include government facilities (N=912,970) −0.0151** (1.988) 0.0216* (1.721) 0.0147** (2.566) 0.0304** (2.182)
Binary DD measure (above/below) median −0.0395*** (6.165) −0.0047 (0.417) 0.00344 (0.711) −0.00493 (0.403)
Logged values of DD measure −0.0430*** (7.307) −0.00303 (0.295) 0.000612 (0.138) 0.00218 (0.193)
Exclude NHs in same zip code as resident prior address (N=635,786) −0.0249** (1.961) 0.0350* (1.828) 0.0230** (2.519) 0.0425** (2.057)

Notes: Results are presented as marginal effects at the mean. 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; ADL = activities of daily living.