Grouping of responses to open questions
| Grouping | Examples of parents' answers |
| Sound | Hissing, Squeaking, Whistle, Rasp, What I hear |
| Difficulty in breathing (DIB) | Changes in breathing, Irregular, Different from usual, Shortness of breath, Trouble breathing, Heavy breathing |
| Cough | Coughing |
| Unwell | Watery eyes, Cheeks go red, Upset, Under the weather |