Table 1

Impact rank order of the CC-QoL items (items numbered 1–16 included in the final CC-QoL questionnaire)

Item How often did/were……	Item mean	Proportion endorsing	Impact
1. You hate your cough PSY	4.72	0.72	3.38
2. Coughing annoy you in past week PSY	4.19	0.77	3.22
3. Your cough make you feel frustrated PSY	3.79	0.69	2.60
4. Your cough disturb others SOC	3.65	0.64	2.35
5. You annoyed by your cough doing activities PSY	3.54	0.60	2.11
6. Your chest or stomach pains bother you PHY	3.33	0.62	2.05
7. Your cough make you feel tired PHY	3.43	0.58	1.98
8. You troubled sleeping at night because of cough PHY	3.37	0.58	1.94
9. Your cough wake you during night PHY	3.25	0.59	1.91
10. You have trouble getting to sleep because of cough PHY	3.36	0.55	1.83
11. Coughing up phlegm annoy you PSY	3.22	0.55	1.78
12. You find it difficult to do things because of cough PHY	3.18	0.55	1.73
13. You feel uncomfortable because of cough PSY	3.28	0.53	1.72
14. Your chest feel bad PHY	3.13	0.54	1.68
15. Your cough annoy others SOC	3.15	0.53	1.66
16. You feel frustrated because you couldn't keep up with others SOC	3.16	0.51	1.60
17. Cough stop you from doing things you like	2.94	0.49	1.43
18. You feel you couldn't keep up with others	2.79	0.47	1.31
19. You stop doing things you like because of cough	2.84	0.46	1.30
20. You annoyed by your chest crackles or rattles	2.76	0.43	1.18
21. Your cough embarrass you	2.52	0.37	0.94
22. Your cough make you feel self-conscious	2.57	0.36	0.93
23. Your cough make you feel worried, troubled	2.48	0.37	0.91
24. You have a headache because of cough	2.48	0.36	0.90
25. Your cough make you feel upset	2.43	0.36	0.89
26. You asked to keep quiet or stop coughing because of cough	2.27	0.33	0.74
27. You feel others stared at you because of your cough	2.29	0.31	0.70
28. Your cough make you feel sad	2.18	0.29	0.62
29. You feel different or left out	2.07	0.27	0.57
30. Your treatment for your cough make you feel different or bad	2.06	0.25	0.51
31. Your family have to turn up the TV volume because of cough	1.81	0.22	0.40
32. You told or asked to go away because of cough	1.66	0.19	0.32
33. You hide while coughing so others didn't see	1.51	0.14	0.22
34. You teased by family and friends because of cough	1.40	0.13	0.18
35. Others shout at you because of cough	1.42	0.10	0.14
36. Someone make fun of you because of cough	1.30	0.06	0.08
37. Someone say they did not want to play with you because of cough	1.24	0.05	0.06

Domain allocation for the final 16 items noted by PHY (Physical), SOC (Social) and PSY (Psychological).
Note: For calculation of impact scores and in line with Juniper,24 item means were reverse scored so that greater numbers reflected greater impact (ie, more negative QoL).
For explanations of ‘Item mean’, ‘Proportion endorsing’ and ‘Impact’, please refer to Statistical analysis.
CC-QoL, chronic cough-specific quality of life.