Table 4 Inter-Item Correlation Matrix of the CET (N = 237)
From: A new simple score of chronic cough: cough evaluation test
Cough during the day | Cough disturbed sleep | Intense cough | Cough interfered with daily life | Feel anxious or depressive | |
|---|---|---|---|---|---|
Cough during the day | 1 | 0.27 | 0.47 | 0.43 | 0.33 |
Cough disturbed sleep | 0.27 | 1 | 0.52 | 0.46 | 0.44 |
Intense cough | 0.47 | 0.52 | 1 | 0.56 | 0.47 |
Cough interfered with daily life | 0.43 | 0.46 | 0.56 | 1 | 0.62 |
Feel anxious or depressive | 0.33 | 0.44 | 0.47 | 0.62 | 1 |