Types of respiratory symptom | Exposed group n = 229 | Unexposed group n = 228 | PR 95% CI | p value |
---|---|---|---|---|
Cough | 62(27.1) | 26(11.4) | 2.37(1.56, 3.6) | 0.001 |
phlegm | 48(21) | 20(8.8) | 2.39(1.46,3.89) | 0.001 |
Wheezing | 44(19.2) | 6(2.6) | 7.3(3.17, 16.8) | 0.001 |
Shortness of breath | 105(45.9) | 23(10.1) | 4.5(3.01, 6.86) | 0.001 |
Chest pin | 55(24) | 11(4.8) | 4.97(2.67, 9.3) | 0.01 |
At least one respiratory symptom | 136(59.4) | 41(18) | 3.3(2.45, 4.45) | 0.001 |