Table 4. Triple differences linear probability model for Medicaid coverage by marital status, sex, age, and state Medicaid expansion status, American Community Survey 2010–16.

	Women				Men
	All Ages	Age 19–25	Age 26–44	Age 45–64	All Ages	Age 19–25	Age 26–44	Age 45–64
Before 2014
Control–Not married & No State Medicaid Expansion	0.055	0.135	0.058	0.175	0.010	0.083	0.072	0.117
Control–Married & No State Medicaid Expansion	-0.059	0.071	-0.022	0.022	-0.014	0.121	0.102	0.540
Treated–Not Married & Medicaid Expansion State	0.357	0.302	0.512	0.175	0.258	0.198	0.136	0.461
Treated–Married & Medicaid Expansion State	0.273	0.317	0.439	0.029	0.268	0.287	0.197	0.398
Difference for 2010–2013
Coefficient	0.029	0.08	0.007	0.007	0.034	0.051	0.032	0.001
Standard Error	0.002	0.007	0.004	0.004	0.002	0.007	0.004	0.004
t	12.13	11.48	1.82	1.87	14.85	6.87	9.04	0.18
p-value	<0.001	<0.001	0.069	0.061	<0.001	<0.001	<0.001	0.854
After 2014
Control–Not married & No State Medicaid Expansion	0.099	0.160	0.136	0.244	0.075	0.118	0.144	0.181
Control–Married & No State Medicaid Expansion	-0.010	0.122	0.052	0.097	0.053	0.163	0.172	0.120
Treated–Not Married & Medicaid Expansion State	0.482	0.382	0.678	0.359	0.413	0.295	0.325	0.624
Treated–Married & Medicaid Expansion State	0.429	0.443	0.617	0.229	0.443	0.413	0.369	0.582
Difference for 2014–2016
Coefficient	0.055	0.098	0.022	0.017	0.052	0.073	0.015	0.018
Standard Error	0.003	0.009	0.005	0.005	0.003	0.010	0.005	0.005
t	18.20	10.92	4.77	3.60	17.53	7.20	3.40	3.55
p-value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	0.001	<0.001
Triple Difference
Coefficient	0.026	0.019	0.015	0.010	0.018	0.022	-0.016	0.017
Standard Error	0.004	0.011	0.006	0.006	0.004	0.013	0.006	0.006
t	6.62	1.66	2.57	1.63	4.81	1.76	-2.85	2.67
p-value	<0.001	0.097	0.010	0.104	<0.001	0.078	0.004	0.008
R-square	0.18	0.21	0.18	0.16	0.15	0.11	0.14	0.13
N	1,972,877	659,774	685,631	627,472	1,901,555	665,282	662,739	573,534

NOTE: Estimates are based on the sample weights provided by the Census Bureau and adjusted for state and year fixed effects. Medicaid eligibility was defined by age 19–64 and income below 139% of the federal poverty level. Multivariate adjustment included the following control variables: age, number of children, race/ethnicity, immigration status, poverty status, education, employment status, and metropolitan residence.