Table 1:
Characteristics of newly, returning, and continuously insured enrollees (full sample).
| 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 | 108,501 | 59,811 | 56,983 | 86,957 | 47,259 | 34,863 | ||
| Age group | ||||||||
| 19–29 | 23.3 | 31.6 | 32.4 | 0.1942 | 27.8 | 27.8 | 27.7 | 0.0033 |
| 30–39 | 22.2 | 26.0 | 29.3 | 0.1582 | 25.0 | 25.0 | 25.0 | 0.0005 |
| 40–64 | 54.5 | 42.4 | 38.4 | 0.3286 | 47.3 | 47.2 | 47.4 | 0.0036 |
| Female | 44.4 | 53.9 | 67.9 | 0.4827 | 52.8 | 53.0 | 53.0 | 0.0048 |
| Race/Ethnicity | ||||||||
| Hispanic | 16.0 | 14.7 | 9.0 | 0.218 | 13.9 | 13.9 | 13.8 | 0.0033 |
| Non-Hisp. Non-White | 8.8 | 9.7 | 8.7 | 0.0342 | 9.1 | 9.1 | 9.0 | 0.0022 |
| Non-Hisp. White | 51.9 | 69.6 | 75.5 | 0.5274 | 62.6 | 63.0 | 63.2 | 0.0148 |
| Non-Hisp. Unknown | 23.3 | 6.0 | 6.8 | 0.7061 | 14.5 | 14.0 | 13.9 | 0.0218 |
| Rural Setting2 | 36.4 | 41.5 | 41.7 | 0.106 | 39.2 | 39.2 | 39.4 | 0.0042 |
| ZCTA3 Unemployment % | ||||||||
| 0–8.09 | 29.5 | 21.9 | 20.5 | 0.2204 | 25.2 | 24.9 | 24.7 | 0.011 |
| 8.09–9.58 | 25.5 | 24.2 | 24.0 | 0.035 | 24.8 | 24.9 | 24.8 | 0.0029 |
| 9.58–11.56 | 23.2 | 26.4 | 27.3 | 0.093 | 25.1 | 25.2 | 25.3 | 0.0037 |
| 11.56–38.84 | 21.7 | 27.4 | 28.1 | 0.1435 | 24.8 | 24.9 | 25.1 | 0.0068 |
| Unknown | 0.1 | 0.1 | 0.0 | 0.0186 | 0.1 | 0.1 | 0.1 | 0.0088 |
| ZCTA3 Poverty % | ||||||||
| 0–13.0 | 27.9 | 22.4 | 22.4 | 0.1321 | 25.1 | 25.0 | 25.0 | 0.002 |
| 13.0–17.0 | 26.4 | 25.1 | 23.8 | 0.0607 | 25.3 | 25.1 | 25.1 | 0.0044 |
| 17.0–22.6 | 23.9 | 26.3 | 27.6 | 0.0814 | 25.4 | 25.5 | 25.5 | 0.0025 |
| 22.6–100 | 21.8 | 26.2 | 26.3 | 0.1033 | 24.1 | 24.3 | 24.3 | 0.0043 |
| Unknown | 0.1 | 0.1 | 0.0 | 0.0206 | 0.1 | 0.1 | 0.0 | 0.0096 |
| Co-Morbidity Index4 | ||||||||
| 0 | 45.5 | 37.1 | 31.0 | 0.3052 | 39.6 | 39.4 | 39.3 | 0.0061 |
| 1 to 2 | 20.4 | 17.4 | 20.9 | 0.0885 | 19.7 | 19.7 | 19.7 | 0.0019 |
| 3 to 4 | 19.3 | 25.2 | 24.9 | 0.1351 | 22.2 | 22.4 | 22.4 | 0.0046 |
| 5 to 6 | 9.2 | 12.4 | 13.5 | 0.1279 | 11.1 | 11.2 | 11.2 | 0.0014 |
| 7+ | 5.7 | 7.9 | 9.8 | 0.1422 | 7.4 | 7.4 | 7.4 | 0.0012 |
| Migraine | 4.6 | 6.8 | 10.7 | 0.2422 | 6.8 | 6.8 | 6.8 | 0.0014 |
| Joint Pain | 36.5 | 42.1 | 49.0 | 0.2533 | 41.2 | 41.3 | 41.4 | 0.0041 |
| Osteoarthritis | 8.8 | 8.6 | 10.0 | 0.0499 | 9.1 | 9.1 | 9.1 | 0.0011 |
| Back Pain | 24.6 | 30.6 | 38.5 | 0.306 | 29.7 | 29.9 | 29.8 | 0.0048 |
| General Chronic Pain | 8.4 | 11.1 | 15.8 | 0.2363 | 11.2 | 11.1 | 11.2 | 0.0021 |
1
Maximum absolute standardized mean difference (ASMD) across all pairwise comparisons for each level of pretreatment covariate.
2
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).
3
ZIP Code Tabulation Areas.
4
Level of co-morbidity assessed by the enhanced Charlson comorbidity index.