Table S1.

Cough and sputum assessment questionnaire (CASA-Q)

Question
Over the last 7 days:
1. How much did you cough when you woke up in the morning?
2. How often did you cough during the day?
3. How often did you have coughing bouts?
4. How often were you tired after coughing?
5. How often did coughing make you short of breath?
6. How annoyed were you by your cough?
7. How often did you avoid going to public places because of your cough (eg, movie theaters, restaurants, etc)?
8. How often were your usual activities interrupted by your cough (eg, driving, hobbies, working around the house)?
9. How often did your cough interrupt your conversations with others (eg, phone conversations and face-to-face)?
10. How often did your cough wake you up, prevent you from falling asleep or falling back to sleep?
11. How often were you uncomfortable about bothering other people while coughing?
12. How thick was your phlegm?
13. How often did you bring up phlegm?
14. How often did your phlegm make it difficult for you to breathe?
15. How difficult was it for you to bring up phlegm?
16. How often did you feel uncomfortable about bothering other people while bringing up phlegm?
17. How annoyed were you by your phlegm?
18. How often did your phlegm interfere with your ability to speak?
19. How often did your phlegm prevent you from going to public places (eg, movie theaters, restaurants, etc)?
20. How often did you have to interrupt your usual activities to get rid of your phlegm (eg, driving, hobbies, working around the house)?

Note: Each item is answered ranging from “never” to “always” or from “not at all” to “a lot/extremely”, as applicable; each type is answered using five categories.