Prevalence of Chronic Respiratory Symptoms and Chronic Airway Diseases in Non-Smoking Subjects (Women) in Urban Areas of Delhi (1997) | ||
Symptoms and Diseases | Low Pollution Zone (% of Total Women Sampled having Health Problem) | Medium-high Pollution Zone (% of Total Woman Sampled having Health Problem) |
Lower Economic Class | ||
Chronic Cough | ||
Chronic Phlegm | ||
Higher Economic Class | ||
Chronic Cough | ||
Chronic Phlegm |