Baseline hospital characteristics for safety net and non-safety net hospitals
| Non-safety net* | Safety net* | p Value† | ||
| N | 2457 (100.0) | 797 (100.0) | ||
| % Medicaid patients | ≤5% | 152 (6.2) | 37 (4.6) | <0.001 |
| 6%–10% | 304 (12.4) | 45 (5.6) | ||
| 11%–15% | 448 (18.2) | 90 (11.3) | ||
| 16%–20% | 672 (27.4) | 162 (20.3) | ||
| 21%–30% | 679 (27.6) | 258 (32.4) | ||
| >30% | 152 (6.2) | 183 (23.0) | ||
| Missing | 50 (2.0) | 22 (2.8) | ||
| Beds | 6–24 | 63 (2.6) | 29 (3.6) | <0.001 |
| 25–49 | 214 (8.7) | 128 (16.1) | ||
| 50–99 | 383 (15.6) | 149 (18.7) | ||
| 100–199 | 662 (26.9) | 235 (29.5) | ||
| 200–299 | 436 (17.7) | 102 (12.8) | ||
| 300–399 | 271 (11.0) | 59 (7.4) | ||
| 400–499 | 155 (6.3) | 29 (3.6) | ||
| 500+ | 223 (9.1) | 44 (5.5) | ||
| Missing | 50 (2.0) | 22 (2.8) | ||
| Teaching status | None | 1500 (61.1) | 589 (73.9) | <0.001 |
| Major teaching | 205 (8.3) | 47 (5.9) | ||
| Minor teaching | 702 (28.6) | 139 (17.4) | ||
| Missing | 50 (2.0) | 22 (2.8) | ||
| Urban status | Rural | 136 (5.5) | 169 (21.2) | <0.001 |
| Urban | 2271 (92.4) | 606 (76.0) | ||
| Missing | 50 (2.0) | 22 (2.8) | ||
| Ownership | Private non-profit | 280 (11.4) | 217 (27.2) | <0.001 |
| Private for profit | 1666 (67.8) | 319 (40.0) | ||
| Public | 461 (18.8) | 239 (30.0) | ||
| Missing | 50 (2.0) | 22 (2.8) | ||
| Region | West | 459 (18.7) | 129 (16.2) | <0.001 |
| Midwest | 654 (26.6) | 69 (8.7) | ||
| Northeast | 463 (18.8) | 32 (4.0) | ||
| South | 830 (33.8) | 502 (63.0) | ||
| Missing | 1 (0.0) | 43 (5.4) | ||
| % Low SES‡ | Mean (SD) | 17.1 (10.4) | 58 (15.3) | <0.001 |
| Range | (0–57.6) | (38.3–100) |
*Reported as number (per cent) except where noted for % low SES.
†χ2 test of independence across safety net hospitals.
‡SES, socioeconomic status.