Table 1.
Characteristics of children (n = 8394) and parents
| Characteristic | Median | IQR | Based on Na |
|---|---|---|---|
| Child’s age, years | 3 | 1–6 | 8394 |
| Number of children in home | 2 | 1–2 | 8355 |
| Family deprivation scoreb | 16.7 | 8.8–29.5 | 8201 |
| Illness duration at recruitment, days | 5 | 3–10 | 8390 |
| Number of parent-reported symptoms prior to consultationc | 7 | 5–9 | 8320 |
| Number of parent-reported symptoms within 24 hours of consultationc | 6 | 4–8 | 8229 |
| Characteristic | % (n) | *Based on Na | |
| Child’s sex, male | 51.6 (4331) | 8394 | |
| Child’s ethnicity, white | 78.4 (6546) | 8349 | |
| Mother a current smoker | 18.0 (1491) | 8285 | |
| Breastfeeding at 3 months | 44.2 (3441) | 7784 | |
| Illness got worse recently | 66.0 (5533) | 8383 |
a
Total N variable specific data included in analysis.
b
The Indices for Multiple Deprivation score ranges from 0 (least deprived) to >90 (most deprived). Ethnicity, deprivation score, and prevalence of maternal smoking were similar to national figures.12,13
c
Median of positively reported parent-reported symptoms from the case report form out of a possible 20. IQR = interquartile range.