Descriptive data
| n (%) | |
|---|---|
| Age (years), mean (SD) [range] | 49.7 (11.4) [18–78] |
| Number | 325 |
| Male gender | 275 (85.1) |
| Current smokers | 45 (13.9) |
| Ex-smokers | 84 (26.0) |
| Part time farming | 202 (62.3) |
| Main job (n=179): | |
| Clerical work | 73 (40.8) |
| Metal workers | 18 (10.1) |
| Construction, mining | 18 (10.1) |
| Family managers, retired | 38 (21.2) |
| Others | 32 (17.9) |
| Work inside confinement house | 309 (95.1) |
| 12 months prevalence of respiratory symptoms | |
| Asthma related symptoms (ARS) | 68 (20.9) |
| Chronic phlegm | 57 (17.7) |
| Nasal allergy | 54 (16.7) |
| Work related respiratory symptoms (WRS) | 124 (38.4) |
| Lifetime prevalence of flu-like illness (ODTS) | 74 (23.1) |