Table 3.
Results of Logistic Regression Analyses Predicting Likelihood of a 30-day Readmission
| Variable/Level | Odds Ratio | (95% CI) | P (vs. ref) | P (overall) |
|---|---|---|---|---|
| Home Visit versus Other Transitional Care | 0.52 | (0.48–0.57) | <.001 | <.001 |
| Readmission Risk Strata | ||||
| 10%–<20% | 1.65 | (1.35–2.03) | <.001 | <.001 |
| 20%–<30% | 2.52 | (2.06–3.07) | <.001 | |
| 30%–<40% | 3.61 | (2.96–4.40) | <.001 | |
| 40%–<50% | 4.35 | (3.55–5.32) | <.001 | |
| 50%+ | 7.92 | (6.50–9.66) | <.001 | |
| 0–<10% | 1.00 | |||
| Chronic Med Group | ||||
| <1 chronic medication per month | 0.86 | (0.73–1.02) | 0.092 | 0.012 |
| 1–2 chronic medications per month | 0.85 | (0.71–1.01) | 0.064 | |
| ≥2 chronic medications per month | 0.77 | (0.65–0.92) | 0.003 | |
| 1+ months Medicaid eligible, No chronic medications | 1.00 | |||
| Client Age in Years at Index Discharge | 1.00 | (1.00–1.00) | 0.151 | 0.151 |
| Female Client | 0.98 | (0.92–1.06) | 0.658 | 0.658 |
| Client Race | ||||
| Black | 1.00 | (0.93–1.07) | 0.919 | 0.869 |
| Other | 0.97 | (0.85–1.09) | 0.597 | |
| White | 1.00 | |||
| Hispanic Client | 1.30 | (1.05–1.60) | 0.015 | 0.015 |
| Client Language Not English | 0.98 | (0.74–1.31) | 0.896 | 0.896 |
| Population Size of Client County | ||||
| 100K–<200K | 0.94 | (0.86–1.03) | 0.204 | 0.346 |
| ≥200K | 1.00 | (0.93–1.09) | 0.951 | |
| <100K | 1.00 | |||
| Mental Health Diagnosis in Past 2 Years | 1.09 | (1.02–1.18) | 0.018 | 0.018 |
| Substance Abuse Diagnosis in Past 2 Years | 1.09 | (1.01–1.17) | 0.034 | 0.034 |
| # Outpatient Providers in Past Year | ||||
| 3–7 | 1.06 | (0.61–1.83) | 0.838 | 0.641 |
| 8–11 | 0.98 | (0.57–1.70) | 0.956 | |
| 12–15 | 0.95 | (0.55–1.65) | 0.852 | |
| ≥16 | 0.97 | (0.56–1.69) | 0.913 | |
| 0–2 | 1.00 | |||
| # of Inpatient Admissions in Past Year | ||||
| 1 | 1.26 | (1.15–1.38) | <.001 | <.001 |
| 2 | 1.36 | (1.22–1.52) | <.001 | |
| ≥3 | 2.13 | (1.93–2.34) | <.001 | |
| 0 | 1.00 | |||
| # of ED Visits in Past Year | ||||
| 1 | 1.12 | (1.00–1.24) | 0.044 | <.001 |
| 2–3 | 1.25 | (1.13–1.39) | <.001 | |
| ≥4 | 1.60 | (1.45–1.77) | <.001 | |
| 0 | 1.00 | |||
| # of Acute Med Fills in Past Year | ||||
| 1–6 | 1.00 | (0.84–1.19) | 0.980 | 0.340 |
| 7–20 | 0.97 | (0.81–1.15) | 0.706 | |
| ≥21 | 1.04 | (0.87–1.25) | 0.644 | |
| 0 | 1.00 | |||
| Surgical Index Hospitalization | 0.97 | (0.89–1.06) | 0.536 | 0.536 |
| Length of Index Admission (days) | 1.00 | (1.00–1.01) | 0.006 | 0.006 |
| Discharged on Saturday/Sunday | 0.98 | (0.90–1.06) | 0.621 | 0.621 |
| Discharged with Home Health Services | 1.14 | (1.05–1.25) | 0.003 | 0.003 |
| Size of Hospital | ||||
| <100 beds | 0.91 | (0.79–1.06) | 0.220 | 0.011 |
| 100–499 beds | 0.90 | (0.83–0.96) | 0.003 | |
| ≥500 beds | 1.00 | |||
| Medicaid eligible <12 months in prior year | 1.15 | (1.05–1.27) | 0.004 | 0.004 |
CI, confidence interval; ED, emergency department.