Multivariate Logistic Regression Results for Odds of an Outpatient Follow-Up Visits within 15 days of Discharge from the Index Hospitalization of the Uninsured Adults with Mental Health Conditions Who Were Enrolled in the Low-Income Health Program in San Diego County from 2012 to 2013, Based on Enrollment and Claims Data
| Result | Odds Ratio | P value | CI |
|---|---|---|---|
| Length of stay of index admission | 1.07 | .002 | [1.03, 1.12] |
| Length of stay of index admission–quadratic term | 1.00 | .011 | [1.00, 1.00] |
| Chronic illness and disability payment system risk score | 1.11 | .005 | [1.03, 1.20] |
| Female (ref. group male) | 1.11 | .347 | [0.90, 1.37] |
| Age group (ref. group 18 to 34) | |||
| 35 to 44 | 1.71 | .000 | [1.36, 2.15] |
| 45 to 54 | 1.58 | .000 | [1.35, 1.85] |
| 55 to 65 | 2.07 | .000 | [1.72, 2.50] |
| Total duration of enrollment before index admission | 1.01 | .071 | [1.00, 1.03] |
| Index admission was surgical (ref. group medical) | 0.79 | .065 | [0.61, 1.01] |
| Number of evaluation and management visits 6 months prior to index admission | 1.29 | .000 | [1.18, 1.40] |
| Number of emergency department visits six months prior to index admission | 1.12 | .196 | [0.94, 1.34] |
| Substance abuse | 0.68 | .000 | [0.60, 0.77] |
| Depression | 0.96 | .606 | [0.81, 1.13] |
| Schizophrenia | 0.81 | .176 | [0.59, 1.10] |
| Bipolar disorder | 1.23 | .131 | [0.94, 1.61] |
| Race (ref. group white) | |||
| African American | 0.61 | .007 | [0.43, 0.87] |
| Latino | 1.07 | .523 | [0.86, 1.34] |
| Asian American | 1.04 | .832 | [0.73, 1.47] |
| Other | 0.79 | .742 | [0.19, 3.21] |
| Missing | 0.94 | .652 | [0.71, 1.23] |
| Constant for outpatient visit model | 0.25 | 0.000 | [−1.90, −0.87] |
CI, confidential interval.