Table 1.

Characteristics of newly insured, returning insured, and continuously insured.

	Unweighted Sample, %				Inverse Propensity Weighted Sample, %
	Newly Insured	Returning Insured	Cont. Insured	Max¹ ASMD	Newly Insured	Returning Insured	Cont. Insured	Max¹ ASMD
Total N/ESS	111,157	60,882	58,563		91,951	49,009	37,821
Age group
19-29	22.9	31.2	31.7	0.1906	27.3	27.3	27.3	0.002
30-39	21.9	25.8	28.9	0.1586	24.7	24.7	24.7	0.0007
40-64	55.2	43.0	39.3	0.3235	48.0	47.9	48.1	0.0022
Female	44.7	54.1	68.1	0.4802	53.1	53.2	53.1	0.0021
Ethnicity and Race²
Hispanic	16.0	14.7	8.9	0.2216	13.9	13.8	13.8	0.0025
Non-Hispanic Non-White	8.8	9.7	8.7	0.0354	9.1	9.0	9.0	0.0018
Non-Hispanic White	52.0	69.6	75.7	0.5306	62.6	62.7	62.8	0.0027
Non-Hispanic Unknown	23.2	6.0	6.8	0.7056	14.5	14.4	14.5	0.0026
Rural setting²	36.5	41.6	41.8	0.1058	39.2	39.2	39.2	0.0004
Co-Morbidity Index³
0	44.4	36.5	30.2	0.3018	38.7	38.6	38.7	0.0019
1 to 2	20.3	17.3	20.7	0.0875	19.6	19.6	19.6	0.0007
3 to 4	19.4	25.0	24.8	0.1304	22.2	22.3	22.3	0.0006
5 to 6	9.5	12.6	13.7	0.125	11.4	11.4	11.3	0.0013
7+	6.5	8.6	10.6	0.1391	8.1	8.1	8.1	0.0004

Maximum absolute standardized mean difference (ASMD) across all pairwise comparisons for each level of pretreatment covariate.

Rural defined by zip codes ten or more miles from the centroid of a population center of 40,000 people or more (Oregon Office of Rural Health).

Level of co-morbidity assessed by the enhanced Charlson comorbidity index.