TABLE 2.
Characteristics of Patients at Participating and Control Practices Before (2014) and After (2017) the Asthma QI Learning Collaborative
| 2014 |
2017 |
|||||
|---|---|---|---|---|---|---|
| Participating |
Control |
P | Participating |
Control |
P | |
| n (%) | n (%) | n (%) | n (%) | |||
| Total study sample | 2376 (100) | 1282 (100) | — | 2257 (100) | 899 (100) | — |
| Age categories, y | .047 | <.001 | ||||
| 3–5 | 453 (19) | 206 (16) | 430 (19) | 160 (18) | ||
| 6–11 | 935 (39) | 498 (39) | 868 (38) | 326 (36) | ||
| 12–17 | 839 (35) | 478 (37) | 854 (38) | 327 (36) | ||
| 18–21 | 149 (6) | 100 (8) | 105 (5) | 86 (10) | ||
| Sex | .26 | .32 | ||||
| Male | 1193 (50) | 644 (50) | 1125 (50) | 442 (49) | ||
| Female | 1046 (44) | 580 (45) | 1009 (45) | 419 (47) | ||
| Unknown | 137 (6) | 58 (5) | 123 (5) | 38 (4) | ||
| Insurance | .001 | <.001 | ||||
| Non-Medicaid | 897 (38) | 412 (32) | 627 (28) | 183 (20) | ||
| Medicaid | 1479 (62) | 870 (68) | 1630 (72) | 716 (80) | ||
P values are from bivariate χ2 comparing patient-level percentages within demographic categories across participant and control practices within each year. —, not applicable.