Association between peak GA concentrations and WRSs adjusted for type of ventilation
| WRSs | RR | (95% CI) |
| Chronic bronchitis | 4.08 | (1.236 to 13.47) |
| Persistent cough | 0.71 | (0.501 to 0.997) |
| Wheeze | 0.57 | (0.363 to 0.888) |
| Chest tightness | 0.93 | (0.668 to 1.298) |
| Shortness of breath | 1.99 | (0.771 to 5.164) |
| Lower respiratory tract symptom | 0.95 | (0.711 to 1.255) |
| Nasal irritation | 1.19 | (1.012 to 1.402) |
| Eye irritation | 1.3 | (0.963 to 1.750) |
RR=relative risk.