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Table 2 Diff-in-Diff estimation of Medicaid effects on major outcome variables controlling all covariates

From: Inpatient rehabilitation service utilization and outcomes under US ACA Medicaid expansion

 

FIM Admission

LOS

FIM GAIN

FIM Gain/day

ReturnToCommunity

Stroke

 Post (Year = 2016)

0.21 (0.39)

−1.08 (0.42)**

4.45 (0.61)***

0.41 (0.07)***

0.04 (0.02)***

 Expansion (=1)

0.31 (0.31)

−0.45 (0.33)

−0.03 (0.48)

0.03 (0.05)

−0.08 (0.01)***

 Post * Expansion

−0.31 (0.42)

0.67 (0.45)

−1.63 (0.66)**

− 0.21 (0.07)***

− 0.02 (0.02)

 Medicare Advantage (=1)

0.01 (0.18)

−1.69 (0.19)***

− 0.98 (0.28)***

− 0.04 (0.03)

− 0.01 (0.01)

 No. Obs.

11,619

11,619

11,619

11,619

11,619

Fracture

 Post (Year = 2016)

−1.30 (0.87)

−0.73 (0.52)

5.98 (1.18)***

0.53 (0.16)***

0.03 (0.03)

 Expansion (=1)

2.29 (0.75)***

0.21 (0.45)

3.15 (1.02)***

0.27 (0.13)**

−0.06 (0.03)**

 Post * Expansion

−0.97 (1.03)

0.18 (0.61)

−3.61 (1.40)**

−0.23 (0.18)

0.01 (0.04)

 Medicare Advantage (=1)

1.11 (0.52)**

− 0.27 (0.31)

−0.64 (0.71)

− 0.04 (0.09)

− 0.03 (0.02)

 No. Obs.

1270

1270

1270

1270

1270

Joint Replacement

 Post (Year = 2016)

−1.37 (0.58)**

− 0.19 (0.30)

4.28 (0.81)***

0.49 (0.12)***

−0.01 (0.02)

 Expansion (=1)

0.05 (0.45)

0.69 (0.23)***

0.99 (0.63)

0.10 (0.09)

−0.04 (0.02)**

 Post * Expansion

1.34 (0.68)**

−0.03 (0.35)

−2.73 (0.94)***

−0.44 (0.14)***

− 0.001 (0.02)

 Medicare Advantage (=1)

0.88 (0.34)**

−0.57 (0.17)***

0.48 (0.47)

0.06 (0.07)

0.01 (0.01)

 No. Obs.

2028

2028

2028

2028

2028

Control for …

 FIM Admission

~

Y

Y

Y

Y

 LOS

~

~

Y

Y

Y

 CMG

Y

Y

Y

Y

Y

 Tier

Y

Y

Y

Y

Y

 Demographics

Y

Y

Y

Y

Y

 Facility Type

Y

Y

Y

Y

Y

  1. * 90%, ** 95%, *** 99% significant level
  2. - Entries are estimated beta coefficients with standard error in parentheses