Table 2.
Medicaid measures and coverage status, in the subset of patients with a Medicaid ID
| Intent To Treat (ITT) | Effect of Treatment on the Treated (ETOT) Intervention clinic patients only |
|||||
|---|---|---|---|---|---|---|
| Intervention clinic patients with Medicaid ID N = 13614 |
Control clinic patients with Medicaid ID N = 11729 |
p-valuea | Patients with Medicaid ID with tool use N = 2080 |
Patients with Medicaid ID without tool use N = 11534 |
p-valuea | |
| Medicaid case characteristics and coverage status | ||||||
| Other family member(s) on case, N (%) | <.001 | <.001 | ||||
| Yes | 11547 (84.8) | 10288 (87.7) | 1848 (88.9) | 9699 (84.1) | ||
| No | 2067 (15.2) | 1441 (12.3) | 232 (11.1) | 1835 (15.9) | ||
| How long the family was established with clinic, at study start date, N (%) | <.001 | <.001 | ||||
| Not established | 2164 (15.9) | 1856 (15.8) | 113 (5.4) | 2051 (17.8) | ||
| < 1 yr. | 697 (5.1) | 645 (5.5) | 41 (2.0) | 656 (5.7) | ||
| 1 - < 3 yrs. | 1402 (10.3) | 1496 (12.8) | 149 (7.2) | 1253 (10.9) | ||
| 3 - < 6 yrs. | 2162 (15.9) | 1989 (17.0) | 293 (14.1) | 1869 (16.2) | ||
| ≥6 yrs. | 7189 (52.8) | 5743 (49.0) | 1484 (71.4) | 5705 (49.5) | ||
| Percent of study periodb covered by Medicaid, N (%) | <.001 | <.001 | ||||
| 0% | 481 (3.5) | 297 (2.5) | 30 (1.4) | 451 (3.9) | ||
| < 50% | 1175 (8.6) | 933 (8.0) | 113 (5.4) | 1062 (9.2) | ||
| 50–99% | 3846 (28.3) | 3386 (28.9) | 648 (31.2) | 3198 (27.7) | ||
| 100% | 8112 (59.6) | 7113 (60.6) | 1289 (62.0) | 6823 (59.2) | ||
| Coverage change outcomes, among patients with partial Medicaid coveragec | ||||||
| Intervention clinic patients, partial coverage N = 5021 |
Control clinic patients, partial coverage N = 4319 |
Adjusted odds ratioe (95% CI) | Patients with tool use, partial coverage N = 761 |
Patients without tool use, partial coverage N = 4260 |
Adjusted odds ratioe (95% CI) | |
| Gained coveraged, N (%) | 3055 (60.8) | 2426 (56.2) | 1.32 (1.14, 1.51) | 444 (58.3) | 2611 (61.3) | 1.83 (1.64, 2.04) |
| Lost coveraged, N (%) | 2250 (44.8) | 2173 (50.3) | 0.77 (0.68, 0.88) | 377 (49.5) | 1873 (44.0) | 0.70 (0.53, 0.91) |
Data source = Medicaid enrollment data
BOLD = adjusted odds ratio significantly different from 1.0 (p < 0.05)
aχ2 tests of independence
bPeriod assessed = 12/1/2013–9/30/2015
c‘Partial Medicaid coverage’ = patient had Medicaid coverage for only part of the assessment period (12/1/2013–9/30/2015)
d‘Gained coverage’ = gained Medicaid after a period of being uninsured. ‘Lost coverage’ = lost Medicaid coverage after a period of insurance, including experiencing a gap in coverage
eLogistic GEE models clustered by clinic; adjusted for sex, age, race/ethnicity, primary language, federal poverty level, number of encounters in study period, new/established patient at first encounter, household member(s) on case (Y/N), length of time household established with clinic