Table I.
Patient- and visit-level descriptive statistics (total N = 2,920 identified patients; 16,364 visits.)
| Variable | Range | Patient Median (IQR) | Visit Median (IQR) |
|---|---|---|---|
| Age (years) | 0 to 96 | 28.50 (23) | 30 (19) |
| Number of Visits | 1 to 311 | 2 (4) | ----- |
| Number of Admissions | 0 to 34 | 1 (2) | 5758 (35.2) a |
| Number of Facilities Utilized | 1 to 37 | 1 (1) | ----- |
| Urbanicityb | 0.00 to 1.00 | 1.00 (0.01) | 1.00 (0.004) |
| Distance to Comprehensive | 0.06 to 146.81 | 6.33 (9.45) | 6.00 (10.01) |
| Care (mi.) | |||
|
| |||
| Variable | Categories | Patient N (%) | Visit N (%) |
|
| |||
| Age (years) | Child (0–20) | 833 (29) | 2940 (18) |
| 0–10 | 345 (12) | 1176 (7.2) | |
| 11–20 | 488 (17) | 1764 (10.8) | |
| Adult (21+) | 2087 (72) | 13424 (82) | |
| 21–30 | 721 (25) | 5412 (33.1) | |
| 31–40 | 560 (19) | 3320 (20.3) | |
| 41–50 | 466 (16) | 3133 (19.1) | |
| 51+ | 340 (12) | 1559 (9.5) | |
| Sex | Male | 1213 (42) | 6828 (41.7) |
| Female | 1696 (58) | 9536 (58.3) | |
| Race | Black/African American | 2354 (81) | 14481 (88.5) |
| Other | 566 (19) | 1667 (10.2) | |
| Ethnicity | Hispanic | 230 (8) | 969 (5.9) |
| Non-Hispanic | 2690 (92) | 14917 (91.2) | |
| Geographic Residence | Los Angeles County (LAC) | 1213 (42) | 6351 (38.8) |
| Southern California County (not LAC)c | 1696 (58) | 3345 (20.4) | |
| Northern Californiad | 1075 (37) | 6664 (40.7) | |
| Movement Between Zip Codes | Changed zip code | 613 (21) | ----- |
| Did not change zip code | 2307 (79) | ----- | |
| Distance to Comprehensive Care | Live within 12 miles | 2141 (73) | 12040 (73.6) |
| Live within 25 miles | 2563 (88) | 14206 (86.8) | |
| Multiple Utilization | Utilized > 1 Hospital Facility | 1016 (35) | ----- |
| Utilized 1 Hospital Facility | 1904 (65) | ----- | |
| Only one visit | 886 (30) | ----- | |
| Multiple Visits to Same Facility | 1018 (35) | ----- | |
a
Visit level number of admissions in total frequency and percent.
b
Urbanicity is defined as the proportion of housing units per zip code that are urban housing units.
c
Southern California (not LAC) Counties: San Diego, Orange, Riverside, San Bernardino, Ventura, Kern, Santa Barbara, San Luis Obispo and Imperial
d
Northern California: Remaining 48 counties