Sensory symptoms
| | | | | | |
Proportion with red or irritated eyes | 0.67 (0.44 to 0.83) | 0.21 (0.08 to 0.43) | 0.12 (0.04 to 0.34) | 0.25 (0.11 to 0.47) | 0.004 | 0.002 |
Proportion with runny nose, sneezing, or nose irritation | 0.54 (0.33 to 0.74) | 0.42 (0.23 to 0.63) | 0.50 (0.30 to 0.70) | 0.12 (0.04 to 0.34) | 0.002 | 0.009 |
Proportion with sore or scratchy throat | 0.42 (0.23 to 0.63) | 0.33 (0.17 to 0.56) | 0.25 (0.11 to 0.47) | 0.17 (0.06 to 0.39) | 0.058 | 0.046 |
Proportion that experienced any one of sensory symptoms | 0.88 (0.66 to 0.96) | 0.67 (0.44 to 0.83) | 0.54 (0.33 to 0.74) | 0.38 (0.20 to 0.59) | <0.001 | <0.001 |
Sum of sensory symptoms (sensory symptom scale) | 1.63 (1.22 to 2.03) | 0.96 (0.57 to 1.34) | 0.88 (0.46 to 1.29) | 0.54 (0.19 to 0.89) | <0.001† | <0.001 |
Upper respiratory symptoms
| | | | | | |
Proportion that experienced wheezing or whistling in chest | 0.21 (0.08 to 0.43) | 0.08 (0.02 to 0.30) | 0.21 (0.08 to 0.43) | 0.12 (0.04 to 0.34) | 0.157 | 0.708 |
Proportion that felt short of breath | 0.17 (0.06 to 0.39) | 0.12 (0.04 to 0.34) | 0.17 (0.06 to 0.39) | 0.08 (0.02 to 0.30) | 0.157 | 0.507 |
Proportion that experienced coughing in morning | 0.21 (0.08 to 0.43) | 0.12 (0.04 to 0.34) | 0.08 (0.02 to 0.30) | 0.08 (0.02 to 0.30) | 0.083 | 0.17 |
Proportion that experienced coughing at all during the rest of the day or at night | 0.29 (0.14 to 0.52) | 0.25 (0.11 to 0.47) | 0.38 (0.20 to 0.59) | 0.21 (0.08 to 0.43) | 0.414 | 0.762 |
Proportion that experienced bringing up any phlegm | 0.21 (0.08 to 0.43) | 0.17 (0.06 to 0.39) | 0.21 (0.08 to 0.43) | 0.21 (0.08 to 0.43) | No change | 0.909 |
Proportion that experienced any one of respiratory symptoms | 0.46 (0.26 to 0.67) | 0.46 (0.26 to 0.67) | 0.50 (0.30 to 0.70) | 0.29 (0.14 to 0.52) | 0.157 | 0.313 |
Sum of respiratory symptoms (respiratory symptom scale) | 1.08 (0.4 to 1.76) | 0.75 (0.25 to 1.25) | 1.04 (0.45 to 1.63) | 0.71 (0.13 to 1.29) | 0.117† | 0.412 |