Characteristics of study subjects
| Characteristic | No phone interview (N=299) | Completed telephone interview | Entire cohort (N=1410) | ||
| Total (N=1111) | Intervention period (N=453) | Control period (N=658) | |||
| Patient age mean (SD), median | 2.9 (3.1), 2 | 3.0 (3.2), 2 | 2.7 (2.9), 2 | 3.2 (3.3), 2 | 3.0 (3.2), 2 |
| No of medications reported for child mean (SD), median | No data | 0.84 (1.0), 1 | 0.83 (0.99), 1 | 0.85 (1.0), 1 | |
| Percentage of children with at least one allergy to a medication | No data | 11.0 | 13.0 | 9.9 | |
| Parental education (percentage high school or less) | 28.5 | 22.1 | 23.5 | 21.1 | 23.4 |
| Parental race (percentage Caucasian) | 71.4 | 80.8 | 76.9 | 83.5 | 78.8 |
| Percentage Latino | 14.5 | 8.4 | 9.6 | 7.6 | 9.7 |
| Percentage reporting at least weekly computer use | 86.3 | 91.7 | 90.7 | 92.5 | 91.0 |
| Percentage used ATM in last month | 81.0 | 84.2 | 83.4 | 84.7 | 83.5 |
| Percentage with prior emergency department visit for child | 77.7 | 71.7 | 67.6 | 74.5 | 73.0 |
ATM, automated teller machine.