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. Author manuscript; available in PMC: 2018 Aug 28.
Published in final edited form as: J Health Econ. 2018 May 7;60:1–15. doi: 10.1016/j.jhealeco.2018.04.002

Table 6.

Estimates of the Effect of MMC on Hospital Use in Past 12 Months.

(1) (2) (3) (4)
County; Year Fixed Effects NO YES YES %change from (3)
Controls (incl. b.cert.) NO YES YES
Child Fixed Effects NO NO YES
Panel A: The Effect of MMC on Probability of Any Hospitalizations
Child in MMC −0.0047***
(0.0007)		 0.0005
(0.0004)		 −0.0002
(0.0003)		 no change
Mean outcome 0.020
Panel B: The Effect of MMC on Probability of Any Hospitalizations for Preventable Conditions
Child in MMC −0.0016***
(0.0003)		 0.0003*
(0.0002)		 −0.0000
(0.0002)		 no change
Mean outcome 0.007
Panel C: The Effect of MMC on Probability Of Any Hospitalization for non PC-Preventable Conditions
Child in MMC −0.0033***
(0.0004)		 0.0001
(0.0003)		 −0.0001
(0.0002)		 no change
Mean outcome 0.013

Notes: There are 2,960,843 observations. All birth-related claims were excluded. Controls include the child’s gender, race, birth month, child and maternal age (single year of age dummies), birth weight (<1500 g, 1500–2499 g, 2500–2999 g, 3000–3499g… >=4500 g), maternal education (<12, 12, some college, college plus, missing), Medicaid enrollment category, and monthly family income ($200, $200–399,…). Standard errors are clustered at the county level. In specification (3) controls include time-varying characteristics (income and age) and standard errors are clustered on patients.