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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: J Health Soc Behav. 2018 Apr 19;59(2):300–315. doi: 10.1177/0022146518771910

Table 3.

Medicaid Coverage in Birth Year and Exposure in Childhood on County–Birth Cohort Mobility Rank–Rank Slope and Intercept.

(1) (2) (3) (4) (5) (6)






OLS Reduced Form 2SLS OLS Reduced Form 2SLS






Variable Rank–Rank Slope Rank–Rank Slope Rank–Rank Slope Intercept Intercept Intercept
Medicaid coverage: pregnant women (real) −.031 (.037) .043 (.022)
Medicaid coverage: childhood (real) −.142 (.218) .259 (.155)
Medicaid coverage: pregnant women (simulated) −.102* (.043) −.099* (.044) .082* (.034) .080* (.035)
Medicaid coverage: childhood (simulated) −.518 (.456) −.573 (.536) .525 (.412) .579 (.477)
First-stage F statistic F(2, 49) 107.17*** 107.17***
County–year observations 9,429 9,429 9,429 9,429 9,429 9,429
R2 .014 .015 .011 .027 .028 .023

Note: OLS = ordinary least squares; 2SLS = two-stage least squares. Robust standard errors in parentheses; standard errors clustered at the state level. All models include state fixed effects, year fixed effects, and a vector of state-level, time-varying covariates.

p < .10,

*

p < .05,

**

p < .01,

***

p < .001 (two-tailed tests).