Prevalence of respiratory symptoms among female adults, by area
| Group 1 (n = 1147) | Group 2 (n = 2695) | Group 3 (n = 1840) | χ2 test p value | Cochran-Armitage test p value | ||||
|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | |||
| Persistent cough | 36 | 3.1 | 79 | 2.9 | 56 | 3.0 | 0.937 | 0.926 |
| Persistent phlegm | 88 | 7.7 | 160 | 5.9 | 94 | 5.1 | 0.016 | 0.005 |
| Asthma | 12 | 1.0 | 24 | 0.9 | 11 | 0.6 | 0.371 | 0.168 |
| Wheeze | 42 | 3.7 | 105 | 3.9 | 53 | 2.9 | 0.182 | 0.177 |
| Breathlessness | 35 | 3.1 | 28 | 1.0 | 24 | 1.3 | <0.001 | 0.001 |