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Table 3 Results from the Finite Mixture Model for Medicaid Study Sample (2011)

From: Association between physician adoption of a new oral anti-diabetic medication and Medicare and Medicaid drug spending

Medicaid Characteristic

Spending Component

Low

High

Average Beta Coefficient

Average Standard Error

95% CI Standard Error

Average Beta Coefficient

Average Standard Error

95% CI Standard Error

Intercept

6.355

0.195

[5.973, 6.736]

6.283

0.265

[5.765, 6.802]

Time to Sitagliptin Adoptionb

0.294

0.170

[−0.039, 0.627]

0.529

0.255

[0.029, 1.028]

% Adopting Sitagliptinb

0.005

0.006

[−0.006, 0.017]

−0.004

0.006

[−0.016, 0.007]

Age

0.018

0.001

[0.016, 0.020]

0.019

0.001

[0.017, 0.022]

Female

−0.004

0.020

[−0.044, 0.036]

0.019

0.022

[−0.024, 0.062]

Race (Ref = White)

 Black

−0.252

0.026

[−0.303, − 0.200]

−0.414

0.032

[−0.476, − 0.352]

 Hispanic

− 0.073

0.029

[− 0.129, − 0.017]

0.224

0.039

[0.147, 0.302]

 Race other

0.124

0.049

[0.027, 0.220]

−0.093

0.052

[−0.194, 0.008]

Eligibility

 General Assistance

−0.287

0.031

[−0.348, − 0.227]

−0.320

0.031

[−0.381, − 0.258]

 TANFa

− 0.256

0.033

[− 0.320, − 0.191]

−0.273

0.038

[−0.348, − 0.197]

 Waiver

− 0.662

0.100

[− 0.859, − 0.466]

−0.702

0.155

[−1.006, − 0.399]

Drug Type (Ref = Combo)

 Oral Drug Only

−3.360

0.023

[−3.405, −3.314]

− 3.113

0.025

[−3.162, − 3.063]

 Injectable Drug Only

−0.089

0.030

[−0.148, − 0.031]

−0.125

0.032

[−0.188, − 0.062]

 Elixhauser

− 0.019

0.004

[− 0.026, − 0.011]

−0.009

0.004

[−0.017, − 0.002]

  1. aTANF Temporary Assistance for Needy Families
  2. Data sources: Medicare data from CMS, Medicaid data from PADHS, XPonentâ„¢ from QuintilesIMS
  3. bAdoption variables measured in XPonentâ„¢ from QuintilesIMS