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Cross tabulation of respondents by symptoms and forms of ventilation
| Respiratory symptoms | Number of respondents with symptoms (%) | P – Value* | |||
|---|---|---|---|---|---|
| Chimney | Window | Chimney & Window | Other | ||
| Cough | 6 (13.0%) | 71 (46.7%) | 3 (6.1%) | 75 (60.9%) | 0.000 |
| Phlegm | 2 (4%) | 26 (17.1%) | 2 (3.8%) | 24 (19.5%) | 0.005 |
| Breathlessness | 6 (13%) | 27 (17.8%) | 3 (6.1%) | 31 (25.2%) | 0.008 |
| Wheezing | 2 (4.0%) | 28 (18.4%) | 3 (5.7%) | 23 (18.7%) | 0.058 |
| All symptoms | 0 | 6 (3.9%) | 0 | 9 (7.5%) | 0.035 |
χ2 Test, p <0.05
