| Symptoms | Placebo | Vitamin C | Zinc | Omega 3 Fatty acid | Combined | |||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | |||
| Wheezing No Mild Moderate Total |
16 54 72 142 |
11.3a 38.0 50.7
|
4 15 9 28 |
14.3 53.6 32.1
|
4 17 11 32 |
12.5 53.1 34.4
|
12 12 11 35 |
34.3 34.3 31.4
|
14 13 13 40 |
35.0 32.5 32.5
| ||
| p-value | - | a>0.05 | a>0.05 | a<0.05 | a0.00 | |||||||
| Breathlessness No Mild Moderate Total |
15 56 71 142 |
10.6b 39.4 50.0
|
3 13 12
|
10.7 46.4 42.9
|
5 18 9 32 |
15.6 56.3 28.1
|
12 14 9 35 |
34.3 40.0 25.7
|
15 15 10 40 |
37.5 37.5 25.0
| ||
| p-value | - | b>0.05 | b>0.05 | b0.00 | b0.00 | |||||||
| Cough No Mild Moderate Total |
18 50 74 142 |
12.7c 35.2 52.1
|
4 13 11 28 |
14.3 46.4 39.3
|
7 15 10 32 |
21.8 46.9 31.3
|
13 16 8 35 |
31.4 45.7 22.9
|
15 16 9 40 |
37.5 40.0 22.5
| ||
| p-value | - | c>0.05 | c>0.05 | c<0.05 | c0.00 | |||||||
| Chest tightness No Mild Moderate Total |
14 53 75 142 |
9.9d 37.3 52.8
|
3 14 11 28 |
10.7 50.0 39.3
|
4 17 9 32 |
12.5 53.1 34.3
|
13 14 8 35 |
37.1 40.0 22.9
|
21 12 7 40 |
52.5 30.0 17.5
| ||
| p-value | - | d>0.05 | d>0.05 | d0.00 | d0.00 | |||||||