Table 5.
Composite measure, patient level analysis clustering by practice (n = 27,251)*
| Unadjusted OR (95% CI) |
Adjusted OR (95% CI) |
|
|---|---|---|
| Age, per 10 years | 0.94 (0.93–0.96)† | 0.95 (0.93–0.97)† |
| Male | 1.31 (1.20–1.42)† | 1.34 (1.23–1.47)† |
| Race/ethnicity | ||
| White | Ref. | Ref. |
| Hispanic | 1.13 (1.03–1.25)† | 1.09 (0.98–1.22) |
| African American | 1.37 (1.28–1.47)† | 1.34 (1.24–1.45)† |
| Asian | 1.11 (0.94–1.32) | 1.06 (0.89–1.28) |
| Other/mixed | 1.11 (0.99–1.24) | 1.11 (0.99–1.25) |
| Unknown | 1.23 (1.13–1.35)† | 1.20 (1.10–1.32)† |
| Insurance | ||
| Private | Ref. | Ref. |
| Medicare | 1.08 (0.94–1.23) | 0.92 (0.80–1.07) |
| Any Medicaid | 1.04 (0.97–1.11) | 0.95 (0.88–1.03) |
| Other | 1.22 (1.08–1.38)† | 1.12 (0.97–1.30) |
| Unknown | 0.90 (0.82–0.99)† | 0.81 (0.73–0.89)† |
| Geographic division | ||
| New England | Ref. | Ref. |
| Mid-Atlantic | 0.59 (0.17–2.02) | 0.78 (0.25–2.44) |
| East North Central | 2.59 (0.87–7.76) | 2.47 (0.84–7.28)† |
| West North Central | 4.60 (1.40–15.11)† | 4.63 (1.43–14.97) |
| South Atlantic | 1.74 (0.61–4.92) | 1.66 (0.60–4.59) |
| East South Central | 2.06 (0.68–6.22) | 2.09 (0.71–6.16) |
| West South Central | 2.44 (0.81–7.38) | 2.17 (0.74–6.42) |
| Mountain | 1.27 (0.34–4.84) | 1.47 (0.42–5.20) |
| Pacific | 0.97 (0.32–2.97) | 0.93 (0.31–2.76) |
| Visits, no. | 1.04 (1.03–1.05)† | 1.04 (1.03–1.06)† |
| ADI | 1.00 (1.00–1.00)† | 1.00 (1.00–1.00) |
*
95% CI = 95% confidence interval; ADI = Area Deprivation Index; OR = odds ratio; Ref. = reference.
†
Patients missing ADI and from practices with <20 patients were not included in this analysis. Variables included in the multivariate models: age, sex, race/ethnicity, insurance, number of visits, geographic division, and ADI.