Table 3 Chronic respiratory symptoms/illnesses for the response groups
Respiratory illnesses | Exposed | Referent | ||
|---|---|---|---|---|
Frequency | % | Frequency | % | |
Cough | ||||
Absent | 179 | 44.8 | 285 | 71.2 |
Present | 221 | 55.2 | 115 | 28.8 |
Total | 400 | 100.0 | 400 | 100.0 |
Usually cough as much as 4 to 6 times a day, 4 or more days out of the week | ||||
Absent | 103 | 25.8 | 64 | 16.0 |
Present | 118 | 29.5 | 51 | 12.8 |
Does not apply | 179 | 44.8 | 285 | 71.3 |
Total | 400 | 100.0 | 400 | 100.0 |
Chronic cough | ||||
Absent | 209 | 85.7 | 151 | 93.2 |
Present | 35 | 14.3 (9.91–18.69) | 11 | 6.8 (2.92–10.68) |
Total | 244 | 100.0 | 162 | 100.0 |
Phlegm | ||||
Absent | 231 | 57.8 | 355 | 88.8 |
Present | 169 | 42.2 | 45 | 11.2 |
Total | 400 | 100.0 | 400 | 100.0 |
Usually bring up phlegm as much as 4 to 6 times a day, 4 or more days out of the week | ||||
Absent | 137 | 34.3 | 74 | 18.5 |
Present | 32 | 8.0 | 12 | 3.0 |
Does not apply | 231 | 57.8 | 314 | 78.5 |
Total | 400 | 100.0 | 400 | 100.0 |
Chronic phlegm | ||||
Absent | 141 | 83.4 | 81 | 94.2 |
Present | 28 | 16.6 (10.99–22.21) | 5 | 5.8 (0.86–10.74) |
Total | 169 | 100.0 | 86 | 100.0 |
Episodes of cough and phlegm | ||||
Absent | 302 | 75.5 | 336 | 84.0 |
Present | 98 | 24.5 | 64 | 16.0 |
Total | 400 | 100.0 | 400 | 100.0 |
Chronic episodes of cough and phlegm | ||||
Absent | 324 | 81.0 | 357 | 89.3 |
Present | 76 | 19.0 (15.16–22.84) | 43 | 10.8 (7.76–13.84) |
Total | 400 | 100.0 | 400 | 100.0 |
Wheezing on most days or nights | ||||
Absent | 355 | 88.8 | 392 | 98.0 |
Present | 45 | 11.3 | 8 | 2.0 |
Total | 400 | 100.0 | 400 | 100.0 |
Attack of wheezing cause shortness of breath (asthma) | ||||
Absent | 375 | 93.8 | 393 | 98.3 |
Present | 25 | 6.3 | 7 | 1.8 |
Total | 400 | 100.0 | 400 | 100.0 |