Table 1.
Demographic characteristics of study patients and visit characteristics: overall and by public insurance coverage, 2006–2007
| DEMOGRAPHIC CHARACTERISTICS | |||||
|---|---|---|---|---|---|
| Patient Characteristics | Total | Continuously Insured | Discontinuously Insured | Continuously Uninsured | P-value between groups* |
| Total N | 2,919 | 1,466 | 336 | 1,117 | |
| Median Age, years (25th%, 75th%) | 54.9 (45.1–63.5) | 58.8 (50.2–67.5) | 54.9 (44.0–61.9) | 49.6 (40.2–57.7) | <0.0001a |
| Female, N (column %) | 1780 (61.0%) | 918 (62.6%) | 191 (58.9%) | 671 (60.0%) | 0.1077b |
| Hispanic, N (column %) | 964 (33.0%) | 166 (11.3%) | 98 (29.2%) | 700 (62.7%) | <0.0001b |
| Minority Racec, N (column %) | 430 (14.7%) | 298 (20.3%) | 50 (14.9%) | 82 (7.3%) | <0.0001b |
| <100% FPLd, N (column %) | 2285 (78.3%) | 1228 (83.8%) | 262 (78.0%) | 795 (71.2%) | <0.0001b |
| VISIT CHARACTERISTICS | |||||
|---|---|---|---|---|---|
| Visit Characteristics | Total | Continuously Insured | Discontinuously Insured | Continuously Uninsured | |
| Insured Periods | Uninsured Periods | ||||
| Visits where any service was due, N | 47,965 | 26,421 | 3,358 | 2,179 | 16,007 |
| Visits where HbA1c was due, N (% of these visits in which service was received) | 28,265 (18.5%) | 10,792 (18.6%) | 1,256 (20.7%) | 918 (15.4%) | 7,754 (18.5%) |
| Visits where LDL was due, N (% of these visits in which service was received) | 19,785 (8.2%) | 9,558 (9.0%) | 1,345 (8.0%) | 1,050 (6.5%) | 7,832 (7.6%) |
| Visits where Microalbumin was due, N (% of these visits in which service was received) | 32,847 (5.1%) | 17,976 (5.2%) | 2,382 (5.1%) | 1,593 (3.5%) | 10,896 (5.1%) |
| Visits where Flu immunization was due, N (% of these visits in which service was received) | 2,399 (9.8%) | 1,398 (11.0%) | 1,710 (8.9%) | 1,180 (7.0%) | 8,801 (8.7%) |
Source. Authors’ analysis of 2006–2007 data from 38 Oregon clinics in the OCHIN network that had fully operational electronic health records by 2005. Medicaid insurance status verified and supplemented by 2006–2007 Medicaid enrollment data.
Boldface indicates statistical significance (p<0.05).
a
Kruskal-Wallis test.
b
Chi-square test.
c
Minority race included patients with a designation of Black, Asian, Native American, Pacific Islander, Non-Caucasian, and “Other race.”
d
FPL = Federal Poverty Level