EXHIBIT 2.

Mean changes in Medicaid-financed postpartum coverage and utilization in Colorado and Utah before and after the expansion of eligibility for Medicaid in Colorado

	Colorado			Utah			Adjusted difference-in-differences
	January-June 2013	After January 2014a	Change	January-June 2013	After January 2014a	Change
NO. OF MONTHS OF COVERAGE IN 6 MONTHS AFTER DELIVERY
All women Women with severe	5.3	5.4	0.1	4.6	3.6	−1.0	0.90***
maternal morbidity	5.3	5.2	−0.1	4.7	3.2	−1.5	1.40**
NO. OF OUTPATIENT VISITS IN 6 MONTHS AFTER DELIVERY
All women Women with severe	3.0	3.3	0.3	2.0	1.8	−.0.2	0.52***
maternal morbidity	2.7	3.4	0.7	1.8	1.6	−0.2	1.25***
NO. OF OUTPATIENT VISITS (DAYS AFTER DELIVERY)
0–30 days	1.40	1.38	0.01	0.73	0.70	−0.02	0.00
31–60 days	0.77	0.73	0.04	0.88	0.67	−0.21	0.19***
61–90 days	0.44	0.49	0.05	0.32	0.27	−0.05	0.10****
91–120 days	0.34	0.42	0.08	0.13	0.13	−0.00	0.08***

SOURCE Authors’ analysis of 2013–15 all-payer claims databases in Colorado and Utah. NOTES All models adjusted for age, month of delivery, and area-level fixed effects. Severe maternal morbidity is explained in the text.

^aDate of Medicaid expansion in Colorado. Transition period of July-December 2013 is not shown; see the text for details.

^**p < 0.05

^***p< 0.0.01

^****p< 0.001