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Self-reported respiratory symptoms experienced by the tricyclists
| Variables | Yes n (%) | No n (%) |
|---|---|---|
| Difficult breathing | 30 (20.0) | 120 (80.0) |
| Cough | 69 (46.0) | 81 (54.0) |
| Sneezing | 51 (34.0) | 99 (66.0) |
| Wheezing | 26 (17.3) | 124 (82.7) |
| Shortness of breath | 25 (16.7) | 125 (83.4) |
| Catarrh | 45 (30.0) | 105 (70.0) |
| Tightness in the chest | 30 (20.0) | 120 (80.0) |
| Nasal or sinus allergies | 39 (26.0) | 111 (74.0) |
| More than 6 respiratory infections in a year | 0 (0.0) | 150 (100) |
| Dust allergy | 61 (40.7) | 89 (59.3) |
