Table 5.
Prevalence of Asthma/COPD according to level of vehicular traffic pollution in houses
| Level of vehicular traffic pollution in House | Proportion of HH | Prevalence of asthma/COPD |
|---|---|---|
| High |
11.1% |
4.4% |
| Medium |
71.3% |
3.2% |
| Low | 17.6% | 2.6% |
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