Cough symptom scores for daytime and night time
| Score | Daytime | Night time |
|---|---|---|
| 0 | No cough during the day | No cough during the night |
| 1 | Cough for one short period | Cough on waking only |
| 2 | Cough for more than two short periods | Wake once or early due to cough |
| 3 | Frequent coughing which did not interfere with usual daytime activities | Frequent waking due to coughs |
| 4 | Frequent coughing which did interfere with usual daytime activities | Frequent coughs most of the night |
| 5 | Distressing cough most of the day | Distressing cough most of the night |