Table 1. Demographic characteristics of children hospitalized with RSV-bronchiolitis by population group*.
| Variable | All, N = 309 N (%) |
Arabs, N = 143 N (%) |
Jews, N = 166 N (%) |
P value |
|---|---|---|---|---|
| Sex, male | 172 (55.5) | 75 (52.4) | 68 (47.6) | 0.303 |
| Age, months | ||||
| 0–5 | 183 (60.2) | 93 (66.0) | 90 (55.2) | 0.115 |
| 6–11 | 81 (26.6) | 31 (22.0) | 50 (30.7) | |
| 12–23 | 40 (13.2) | 17 (12.0) | 23 (14.1) | |
| Missing | 5 (1.6) | 2 (1.4) | 3 (1.8) | |
| SES of place of residence | ||||
| Low (1–4) | 156 (50.6) | 134 (93.7) | 22 (13.3) | <0.001 |
| High (5–10) | 152 (49.4) | 9 (6.3) | 143 (86.7) | |
| Missing | 1 (0.3) | 0 (0.0) | 1 (0.6) | |
| Number of siblings § | ||||
| Median (min-max) | 1 (0–7) | 2 (0–6) | 1 (0–7) | 0.013 |
| Maternal age (years) § | ||||
| Mean (SD) | 29.6 (5.4) | 28.3 (5.5) | 30.7 (5.1) | <0.001 |
| Paternal age (years) § | ||||
| Mean (SD) | 33.3 (5.9) | 32.4 (6.2) | 34.1 (5.6) | 0.029 |
* Max: maximum; min: minimum; RSV: respiratory syncytial virus; SD: standard deviation; SES: socioeconomic status.
§ Information was missing on number of siblings, maternal age and paternal age for 51 (16.5%), 44 (14.2%) and 48 (15.5%) children, respectively (S2 Table).