Table 2. Factors Associated With Oseltamivir Use Among Children Hospitalized With Influenza.
| Characteristic | Patients, No. (%) | OR (95% CI) | |
|---|---|---|---|
| Univariate | Multivariable | ||
| Age | 70 473 (100) | 1.04 (1.04-1.04) | NA |
| Age category, y | |||
| <2 | 26 143 (37.1) | 0.67 (0.64-0.69) | 0.81 (0.77-0.85) |
| 2-5 | 14 695 (20.9) | 0.81 (0.78-0.85) | 0.83 (0.79-0.88) |
| >5 | 29 635 (42.1) | 1 [Reference] | 1 [Reference] |
| Race | |||
| Black | 16 559 (23.5) | 1.30 (1.25-1.36) | 1.28 (1.21-1.36) |
| White | 36 184 (51.3) | 1 [Reference] | 1 [Reference] |
| Othera | 14 133 (20.1) | 1.23 (1.17-1.29) | 1.20 (1.12-1.28) |
| Unknown | 3597 (5.1) | 1.08 (1.00-1.16) | 1.07 (0.96-1.20) |
| Insurance type | |||
| Private | 22 584 (32.0) | 1 [Reference] | 1 [Reference] |
| Public | 44 037 (62.5) | 1.16 (1.12-1.20) | 1.17 (1.12-1.24) |
| Other | 2632 (3.7) | 0.80 (0.73-0.87) | 1.15 (1.02-1.30) |
| Unknown | 1220 (1.7) | 1.21 (1.06-1.38) | 1.69 (1.39-2.05) |
| Medical history | |||
| Complex chronic condition | 31 427 (44.6) | 1.40 (1.36-1.45) | 1.42 (1.36-1.47) |
| Asthmab | 8366 (11.9) | 1.20 (1.14-1.27) | 1.31 (1.23-1.38) |
| Severe illness | |||
| Early ICU carec | 16 252 (23.1) | 1.36 (1.31-1.42) | 1.19 (1.13-1.25) |
| Need for positive pressure ventilation or central venous catheter | 9539 (13.5) | 1.49 (1.42-1.57) | 1.21 (1.14-1.29) |
Abbreviations: ICU, intensive care unit; NA, not applicable; OR, odds ratio.
a
Other races include American Indian or Alaska Native (694 patients [1.0%]), Asian (2216 patients [3.0%]), Native Hawaiian or Pacific Islander (372 patients [0.5%]), and other (10 850 patients [15.4%]).
b
Does not include patients with a complex chronic condition.
c
Defined as receipt of care in an ICU on hospital day 0 or hospital day 1.