Table 1. Basic Demographics, Health Care Encounters, and Penicillin Prescriptions Captured in a 10-Year Retrospective Dual-Center Birth Cohort.
| Characteristic | Patients, No. (%) | ||
|---|---|---|---|
| Combined centers (N = 334 465) | Texas Children’s Pediatrics (n = 206 451 [61.7%]) | Children’s Hospital of Philadelphia (n = 128 014 [38.3%]) | |
| Sex | |||
| Female | 164 173 (49.1) | 101 601 (49.2) | 62 572 (48.9) |
| Male | 170 292 (50.9) | 104 850 (50.8) | 65 442 (51.1) |
| Ethnicity and race | |||
| Asian or Pacific Islander | 21 081 (6.3) | 14 546 (7.0) | 6535 (5.1) |
| Hispanic | 72 831 (21.8) | 60 301 (29.2) | 12 530 (9.8) |
| Non-Hispanic Black | 59 598 (17.8) | 26 390 (12.8) | 33 208 (25.9) |
| Non-Hispanic White | 148 534 (44.4) | 86 008 (41.7) | 62 526 (48.8) |
| Othera | 32 421 (9.7) | 19 206 (9.3) | 13 215 (10.3) |
| Primary language | |||
| English | 309 828 (92.6) | 193 978 (94.0) | 115 850 (90.5) |
| Spanish | 8926 (2.7) | 6511 (3.2) | 2415 (1.9) |
| Other | 2499 (0.7) | 1092 (0.5) | 1407 (1.1) |
| Missing | 13 212 (4.0) | 4870 (2.4) | 8342 (6.5) |
| Insurance type | |||
| Government | 119 988 (35.9) | 64 147 (31.1) | 55 841 (42.6) |
| Private | 214 477 (64.1) | 142 304 (68.9) | 72 173 (57.4) |
| Chronic condition | 24 571 (7.4) | 14 717 (7.1) | 9854 (7.7) |
| Age, median (IQR), y | 3.8 (1.7-6.6) | 3.8 (1.7-6.6) | 5.3 (2.8-8.0) |
| Total primary care encounters | 12 205 235 | 6 693 537 | 5 511 698 |
| Primary care health care visits | 6 999 373 (57.3) | 4 340 318 (64.8) | 2 659 055 (48.2) |
| Primary care communications | 5 205 862 (42.7) | 2 353 219 (35.2) | 2 852 643 (51.8) |
| Primary care penicillin prescriptions | 759 616 | 492 169 | 267 447 |
a
Other ethnicity and race included American Indian, Alaskan Native, and self-reported other.