| Language | | | |
| German | 279 (66.1) | 331 (66.5) | 0.90 |
| French | 143 (33.9) | 167 (33.5) | |
| Physician specialty | | | |
| Paediatric pulmonologist (qualified) | 16 (3.8) | 18 (3.6) | 0.34 |
| Paediatric pulmonologist (interest) | 21 (5.0) | 13 (2.6) | |
| General paediatrician and other subspecialist | 385 (91.2) | 467 (93.8) | |
| Work place | | | |
| Hospital | 102 (24.2) | 153 (30.7) | 0.05 |
| Private practice | 301 (71.3) | 331 (66.5) | |
| Unclear | 19 (4.5) | 14 (2.8) | |
| No of bronchiolitis patients treated/year | | | |
| <10 | 133 (31.5) | 125 (25.1) | 0.15 |
| 10–50 | 241 (57.1) | 306 (61.5) | |
| >50 | 37 (8.8) | 55 (11.0) | |
| Missing | 11 (2.6) | 12 (2.4) | |
| Total | 422 (100.0) | 498 (100.0) | |